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The Function Module category on ICStation offers a range of modules designed to add additional functions to your electronics projects.

Our collection includes clocks, LED displays, motor drivers, and other function modules that are easy to use and integrate.

These modules are perfect for enhancing your projects and making them stand out. Browse our selection and find the right function module for your project today.

312 Results for Function Module
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Mosfet MOS Transistor Trigger Switch Driver Board PWM Control Module 3-20V Mosfet MOS Transistor Trigger Switch Driver Board PWM Control Module 3-20V Product Introduction: 1>. Model: YYNMOS-1 (input and output are completely isolated) 2>. Input Signal: 3-20V PWM signal 3>. Output Capacity: DC 3.7-27V, and the current is within 10A 4>. PWM Frequency: 0-20KHz 5>... $3.49
$4.99 SKU: 12191
$3.49
$4.99
 31

3V-5.5V RCWL-1603 Ultrasonic Module Distance Measuring Transducer Sensor for Arduino UART PWM GPIO Output w/ Temperature Compensation High Precision 3V-5.5V RCWL-1603 Ultrasonic Module Distance Measuring Transducer Sensor for Arduino UART PWM GPIO Output w/ Temperature Compensation High Precision Description: The RCWL-1603 is an open ultrasonic ranging module with 3V-5.5V power supply. It contains a variety of working modes including UART, GPIO, PWM and UART AUTO OUT. Its temperature supplement adopts MCP9700 professional tempe... $3.49
$4.99 SKU: 13160
$3.49
$4.99
 31

CT10E-BT Wireless Stereo Audio Receiver MP3 Decoder Board Support TF Card/ U Disk / Lossless Decoding 3W+3W DC 3.7-5V CT10E-BT Wireless Stereo Audio Receiver MP3 Decoder Board Support TF Card/ U Disk / Lossless Decoding 3W+3W DC 3.7-5V Description: This decode board is suitable for 3W-5W, two 4 o - 8 European horn, and the output is non -common ground mode. The 4 lines of the two trumpets are not allowed to be paralleled and the two negative poles are connected to ... $4.89
$6.99 SKU: 13078
$4.89
$6.99
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3.3V to 24V 8-Channel Optocoupler Isolator Photoelectric Isolation Module Level Voltage Converter 8Bit PNP Output PLC Signal Converter 3.3V to 24V 8-Channel Optocoupler Isolator Photoelectric Isolation Module Level Voltage Converter 8Bit PNP Output PLC Signal Converter 1.Description:   DST-1R8P-P is a 8CH optocoupler isolator for signal converter.It is used for digital signal one-way conversion and PNP output.   2.Features:   1>.Optocoupler isolator   2>.Co... $5.50
$10.99 SKU: 15022
$5.50
$10.99
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CSR8645 APT-X Lossless Music Hifi Bluetooth-compatible 4.1 Receiver Board Amplifier Module for Audio Car Amplifier Speaker CSR8645 APT-X Lossless Music Hifi Bluetooth-compatible 4.1 Receiver Board Amplifier Module for Audio Car Amplifier Speaker 1.Description:     This module is hosted by CSR BC8645 chip to provide high quality sound quality and compatibility, the overall performance is superior. The Bluetooth module adopts the driver-less mode. Customer only needs... $11.19
$15.99 SKU: 13359
$11.19
$15.99
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4 Colors Electricity Quantity Display Module Battery Capacity Display Tester Electricity Meter Indicator Module 4 Colors Electricity Quantity Display Module Battery Capacity Display Tester Electricity Meter Indicator Module Product Introduction: 1.Operating Voltage:2.5~24V 2.Operating Current:single lamp mode 6mA, all on 24mA 3.Testing Voltage Range:0~300V (if over 24V,needs independent power supply,sampling serial connection resistor) 4.Res... $4.89
$6.99 SKU: 9748
$4.89
$6.99
 31

WT588D-U-32M Voice Sound Module Mini USB Interface 32Mbit WAV Sound Speaker Module for 0.5W 8ohm Voice Playback Module WT588D-U-32M Voice Sound Module Mini USB Interface 32Mbit WAV Sound Speaker Module for 0.5W 8ohm Voice Playback Module Description: The 588D voice module uses the voice chip WT588D-20SS. With a 32Mbit capacity memory chip (Note: 1byte=8bit), it can store about 1000s voice. It carries the WT55U02-20SS download chip, and can download ... $5.59
$7.99 SKU: 13084
$5.59
$7.99
 31

3.7V-5V White MP3 Decoder Board Bluetooth-compatible Call Module FM AUX Input Support TF Card/U-Disk Lossless 3.7V-5V White MP3 Decoder Board Bluetooth-compatible Call Module FM AUX Input Support TF Card/U-Disk Lossless 1.Description:     It is a car audio decoding module.So it can be directly connected to amplifier and then connect the speaker.It comes with a control panel, suitable for car Bluetooth speaker devices. 2.Features: ... $4.89
$6.99 SKU: 13547
$4.89
$6.99
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1-Channel Signal Generator 1Hz-150KHz PWM Pulse Frequency Duty Cycle Adjustable LCD Display Module 1-Channel Signal Generator 1Hz-150KHz PWM Pulse Frequency Duty Cycle Adjustable LCD Display Module 1.Description:     XY-PWM1 signal generator is a device that provides electrical signals at a variety of frequencies, square wave, and output levels. It is used as a signal source or excitation source for testing. Widely us... $6.99
$9.99 SKU: 13415
$6.99
$9.99
 30

DIY Kit Ultrasonic Range Finder Distance Measuring Transducer Sensor Electronic Kits for Soldering Learning DIY Kit Ultrasonic Range Finder Distance Measuring Transducer Sensor Electronic Kits for Soldering Learning Supply voltage: DC 4.5-6V Detection range: 25-400cm (indoor)   Description:    ▲Using ultrasonic waves to measure obstacle distance, the ultrasonic range finder sends a 40KHz ultrasonic pulse through ... $6.01
$8.59 SKU: 13605
$6.01
$8.59
 30

5PCS USB Converter Standard USB Female to Male to Type-C to Micro USB to 4P Terminal 5PCS USB Converter Standard USB Female to Male to Type-C to Micro USB to 4P Terminal 1.Description:     It is a simple interface converter.It includes 4P Terminal,Micro USB female,Type-C USB female,Type A USB male and Type A USB female.It can achieve mutual conversion between these five interfaces.It can be... $4.52
$6.45 SKU: 13533
$4.52
$6.45
 30

113KHz 16mm Ultrasonic Mist Maker Fogger Atomizer Transducer Ceramic Discs for Humidifier Replacement Parts 113KHz 16mm Ultrasonic Mist Maker Fogger Atomizer Transducer Ceramic Discs for Humidifier Replacement Parts Product Introduction: 1.Diameter:16mm 2.Driving Voltage:DC 3-12V 3.Power:1.5-3W 4.Service Life:>3000h 5.Frequency:113+/-3KHz Features: 1.High Conversion Efficiency 2.Low Impedance 3.Low Dielectric Loss 4.Large A... $2.51
$3.59 SKU: 11432
$2.51
$3.59
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PWM DC Motor Speed Controller Regulator Switch Potentiometer Module DC 10V-60V 12V 24V 36V 48V 20A PWM DC Motor Speed Controller Regulator Switch Potentiometer Module DC 10V-60V 12V 24V 36V 48V 20A Description: DC Motor Speed Controller, the full name of pulse width modulation is Pulse Width Modulator.Abbreviation PWM. DC motor governor is a device for adjusting the speed of a DC motor. DC motor has the characteristics of low spe... $9.09
$12.99 SKU: 13314
$9.09
$12.99
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5-12V Mini MP3 Decoder Board Module Support USB/SD/MMC Card with Infrared Remote Control 5-12V Mini MP3 Decoder Board Module Support USB/SD/MMC Card with Infrared Remote Control Product Introduction: 1.Voltage:5-12V 2.Support U-disk/SD card/MMC card 3.Support MP3 4.9 kinds sampling frequency:8kHz to 48kHz 5.Support high code rate 32kbps to 384kbps,including VBR 6.Support multiple EQ sound effect mode... $2.79
$3.99 SKU: 11640
$2.79
$3.99
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SFT-B200 DC 12V Single Power Supply Heavy Subwoofer Preamp Board HIFI Low Pass Filter Pre-circuit Module SFT-B200 DC 12V Single Power Supply Heavy Subwoofer Preamp Board HIFI Low Pass Filter Pre-circuit Module Description: 1>.Item Name: Low Pass Filter Pre-circuit 2>.Model:SFT-B200 3>.Work voltage:DC 10-24V 4>.Frequency range:22Hz-300Hz 5>.Audio input:Mono or Stereo 6>.Audio output:Mono 7>.Work ... $5.59
$7.99 SKU: 13424
$5.59
$7.99
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8M Capacity Recordable Sound Module Push Button Activated Micro USB Button Cell Powered for DIY Gift Music Greeting Cards 8M Capacity Recordable Sound Module Push Button Activated Micro USB Button Cell Powered for DIY Gift Music Greeting Cards Description: 1.Push the button to play - Press the button, it will play the song/message in the module. Pressing again during playing will stop playing. 2.Easy to use - Plug it to your computer with a DATA USB cable. It is r... $7.55
$10.79 SKU: GY17843
$7.55
$10.79
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5A Dual Motor Drive Module Reverse PWM Speed Regulation Double H Bridge L298N Module DC 3.0V-14V 5A Dual Motor Drive Module Reverse PWM Speed Regulation Double H Bridge L298N Module DC 3.0V-14V 1.Description:     DC Motor Speed Controller which is also Pulse Width Modulator. Abbreviation PWM.DC motor governor is a device for adjusting the speed of a DC motor.     It has been widely used in DC motor s... $4.19
$5.99 SKU: 13352
$4.19
$5.99
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Mini DC 5A Motor PWM Speed Controller Module 6V-30V Speed Control Switch LED Dimmer Mini DC 5A Motor PWM Speed Controller Module 6V-30V Speed Control Switch LED Dimmer Description: DC Motor Speed Controller, the full name of pulse width modulation is Pulse Width Modulator. Abbreviation PWM. DC motor governor is a device for adjusting the speed of a DC motor. DC motor has the characteristics of low sp... $2.09
$2.99 SKU: 13317
$2.09
$2.99
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5PCS USB Converter Standard USB Female to Male to Micro USB to 4P Terminal 5PCS USB Converter Standard USB Female to Male to Micro USB to 4P Terminal 1.Description:     It is a simple interface converter which includes 4P Terminal, Micro USB female, Type A USB male and Type A USB female. It can achieve mutual conversion between these four interfaces. It can be used as a ... $4.52
$6.45 SKU: 13440
$4.52
$6.45
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1Bit Signal Generator 1-Channel 1Hz-150KHz PWM Pulse Frequency Duty Cycle Adjustable Module LCD Display 1Bit Signal Generator 1-Channel 1Hz-150KHz PWM Pulse Frequency Duty Cycle Adjustable Module LCD Display Description: XY-PWM signal generator is a device that provides electrical signals at a variety of frequencies, square wave, and output levels. It is used as a signal source or excitation source for testing. Widely used in production pr... $6.29
$8.99 SKU: 13320
$6.29
$8.99
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0-5V to 4-20mA Voltage to Current Module Non-Isolated Type Current Converter Module DC 7-30V 0-5V to 4-20mA Voltage to Current Module Non-Isolated Type Current Converter Module DC 7-30V Product Introduction: 1. Appearance Size:40*25*12mm 2. Power Supply Voltage:DC 7-30V 3. Input Voltage:0-5V 4. Output Current:4-20mA 5. Temperature Drifting:+/-100ppm/℃ 6. Ambient Temperature:-10℃~60℃ 7. Storag... $3.07
$4.39 SKU: 9858
$3.07
$4.39
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XH-A233 DC 12V-24V Wireless Bluetooth-compatible Receiver Power Amplifier Board V4.2 Dual Channel Voice Audio Module 15W+15W Support TF Card XH-A233 DC 12V-24V Wireless Bluetooth-compatible Receiver Power Amplifier Board V4.2 Dual Channel Voice Audio Module 15W+15W Support TF Card Description:   XH-A233 TF card/Bluetooth power amplifier board. Its input voltage is DC12~24V.   Support TF card and Bluetooth audio input methods.   The default is TF card input, if connect TF card and bluetoo... $3.77
$5.39 SKU: 13898
$3.77
$5.39
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Wireless Bluetooth-compatible Audio Stereo Module APP Controller BLE5.0 50W+50W USB/AUX/PC Digital Amplifier Module Wireless Bluetooth-compatible Audio Stereo Module APP Controller BLE5.0 50W+50W USB/AUX/PC Digital Amplifier Module 1.Description:     XY-AP50L is a high-power Stereo Bluetooth Audio module.Dual channels audio signal output.     Built-in amplifier module therefore it can connect to loudspeaker directly. It is ideal for... $6.99
$9.99 SKU: GY18665
$6.99
$9.99
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Digital Audio Amplifier MP3 Bluetooth-compatible Decoder Board USB TF Card Wirless Amplifier Module Digital Audio Amplifier MP3 Bluetooth-compatible Decoder Board USB TF Card Wirless Amplifier Module Note: Due to some reasons, this product is out of stock recently. If you make bulk orders, please feel free to contact our customer service orders@icstation.com. Bulk orders will be realized. Please kindly noted. :) Descripti... $5.15
$7.35 SKU: 13223
$5.15
$7.35
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DC 3.3V 4-Channel PLC Amplifier Optical Isolator NPN Output Signal Converter Board DC 3.3V 4-Channel PLC Amplifier Optical Isolator NPN Output Signal Converter Board 1.Description: 1>. Adopt new original imported FET. 2>. The input signal is compatible with NPN and PNP, and is compatible with PLC equipment such as Mitsubishi, Panasonic, Siemens, and domestic PLC. 3>. The signal i... $6.99
$9.99 SKU: 13672
$6.99
$9.99
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TLC5947 12-Bit 24-Channel PWM LED Driver Module with Internal Oscillator 3-5.5V TLC5947 12-Bit 24-Channel PWM LED Driver Module with Internal Oscillator 3-5.5V Product Introduction: 1.Data Transfer Rate:30MHz (typical) 2.Accuracy:+/-2% (typical) 3.Special Features:internal GS Clock;thermal Shutdown 4.Rating:catalog 5.Operating Temperature Range:-40~85 celsius   ... $4.54
$6.49 SKU: 10986
$4.54
$6.49
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Dual Servo Tester Motor Driver Module Controller Debugger for SG90/MG995/MG996 Robot Dual Servo Tester Motor Driver Module Controller Debugger for SG90/MG995/MG996 Robot Description: The servo control module is a plug-and-play, easy-to-use servo controller. Supply three servo control modes : Knob adjustment, back to center function.It can be used to test servo motor. Features: 1>.Support manu... $5.59
$7.99 SKU: 13332
$5.59
$7.99
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UART Voice Controller Shield for XY-V17B Mini MP3 Player Module UART Voice Controller Shield for XY-V17B Mini MP3 Player Module Description: XY-V17D is a development board for our XY-V17B voice module. The development board integrates 5W Class D power amplifier module, 3.5mm audio interface, U disk interface,Micro USB download interface, button module in one mo... $2.09
$2.99 SKU: 13336
$2.09
$2.99
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TPA3116D2 Wireless Bluetooth-compatible Audio Stereo Module 50W+50W BLE5.0 AUX Treble/Bass Adjustable Digital Amplifier Module TPA3116D2 Wireless Bluetooth-compatible Audio Stereo Module 50W+50W BLE5.0 AUX Treble/Bass Adjustable Digital Amplifier Module 1.Description:     ZK-502T is a high-power Treble/Bass adjustable stereo Bluetooth audio module.Dual channels audio signal output.Built-in amplifier module therefore it can connect to loudspeaker directly. It supply Bluetoo... $20.71
$29.59 SKU: GY18048
$20.71
$29.59
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MOS Field-Effect Tube IFR640N Module High Current 18A Driver Module 50x18x25mm MOS Field-Effect Tube IFR640N Module High Current 18A Driver Module 50x18x25mm Product Introduction : 1.Driving Signal: voltage >3V; current >5mA 2.Power Supply Voltage:12-24V 3.Load Capacity:<=10A (instant current should be no more than 15A) 4.Board Size: 50*18*25mm (include heat sink) Functio... $2.09
$2.99 SKU: 11069
$2.09
$2.99
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DC 10V-50V PWM Motor Speed Controller Regulator LED Dimmer DC 12V 24V 36V 48V 15A DC 10V-50V PWM Motor Speed Controller Regulator LED Dimmer DC 12V 24V 36V 48V 15A 1.Description:     ZK-GZT is a PWM DC Motor Speed Controller and LED Dimmer. It changes the output by adjusting the potentiometer to change the PWM signal.   2.Features:     1>.High frequency 2... $4.89
$6.99 SKU: 13399
$4.89
$6.99
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1Hz-1024Hz Signal Source Module Square Wave Digital Display Adjustable Duty Cycle 5V-24V 1Hz-1024Hz Signal Source Module Square Wave Digital Display Adjustable Duty Cycle 5V-24V Product Introduction: 1. Power Voltage:5V-24V 2. No Load Current:60MA 3. Output Port:2-channel complementary output(the same freuqncy,opposite phase) 4. Frequency Range:1Hz-1024Hz 5. Frequency Adjusting Step:1Hz 6. Duty Cycle... $10.55
$15.07 SKU: 9385
$10.55
$15.07
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DC 12V 24V BK3266 Bluetooth-compatible Mono Amplifier Board 20W/30W MIC/AUX Audio Input Support Change Name and Password Call DC 12V 24V BK3266 Bluetooth-compatible Mono Amplifier Board 20W/30W MIC/AUX Audio Input Support Change Name and Password Call 1.Description:   It is a bluetooth 5.0 mono amplifier board.It supports the serial port to change the name and password, the button to turn off/on,the serial port to change the volume and turn off of the prompt tone, the support t... $11.19
$15.99 SKU: GY18343
$11.19
$15.99
 31

DC 8V-24V High Power Digital Amplifier Module Mono Class D 4-8ohm for 30W-300W speaker DC 8V-24V High Power Digital Amplifier Module Mono Class D 4-8ohm for 30W-300W speaker 1.Description:     DY-AP3001 is a high-power mono Bluetooth audio module.Single channel audio signal output.Built-in amplifier module therefore it can connect to loudspeaker directly.It is ideal for DIY speakers and transpo... $4.89
$6.99 SKU: 13495
$4.89
$6.99
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Voice Recorder Playback Board Sound Module 120 Second Toy Gift Accessaries Sound Recorder Chip Voice Recorder Playback Board Sound Module 120 Second Toy Gift Accessaries Sound Recorder Chip Product Introduction: 1.Operating Voltage: 3-5V 2.Standby Current: <5uA (3.6V) 3.Recording Time: 120s 4.Recording Input: adopt ADC 14 Bit, Audio Out DAC 14 Bit 5.Recording Voice Format: ADPCM 6.Recording Distance: 3-5m 7... $3.49
$4.99 SKU: 9497
$3.49
$4.99
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ETK3699 Digital Kara OK Surround Reverb Delay Microphone Amplifier Preamp Board ETK3699 Digital Kara OK Surround Reverb Delay Microphone Amplifier Preamp Board Description: It is a Microphone Amplifier Preamp Board.It is used to adjust the sound signal of the microphone   Parameters: 1>.Item Name: Microphone Amplifier Preamp Board 2>.Model:SFT-S699  3>... $10.49
$14.99 SKU: 13562
$10.49
$14.99
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Bluetooth-compatible Power Amplifier Board 50W+50W 12V 24V Receiver Module Support TF Card U-Disk Bluetooth-compatible Power Amplifier Board 50W+50W 12V 24V Receiver Module Support TF Card U-Disk 1.Description:  It is a Bluetooth power amplifier board with high-fidelity stereo sound quality, Bluetooth audio input and support U-disk/TF card audio file input.   Support unobstructed onnected to 15 meters (depen... $11.89
$16.99 SKU: 14750
$11.89
$16.99
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DC 5V WIFI Electronic Clock Wireless APP Control 4 Digit Clock Alarm 12/24H DC 5V WIFI Electronic Clock Wireless APP Control 4 Digit Clock Alarm 12/24H Description: XY-CLOCK is a Wireless WIFI Electronic Clock and Alarm. User can get time and alarm when enjoying music to make a comfortable life. Its WiFi timing function supports automatic networking APP co... $9.09
$12.99 SKU: GY19620
$9.09
$12.99
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RGB 4Bit Digital Electronic Clock DIY Kit 5V Temperature Alarm 12/24H Time Date Home Clock RGB 4Bit Digital Electronic Clock DIY Kit 5V Temperature Alarm 12/24H Time Date Home Clock CAI-201 RGB 4Bit Digital Electronic Clock DIY Kit Project Made by ICStation's Outstanding Partner Fran Cv: (The language in the video is Spanish) 1.Introduction: CAI-201 is a RGB 4Bit Digital Electronic Clo... $9.09
$12.99 SKU: GY19490
$9.09
$12.99
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USB Fan Rotary Speed Controller DC 4V-12V 5W Multi-Gear Auxiliary Cooling Tool Module USB Fan Rotary Speed Controller DC 4V-12V 5W Multi-Gear Auxiliary Cooling Tool Module Description: USB fan speed controller. Mute multi-position wind speed regulator.It is suitable for offices, dormitories, bedsides, etc.. Features: 1>.USB fan adjuster; 2>.Strong/weak wind are free to adjust; 3>.USB ... $1.74
$2.49 SKU: 13294
$1.74
$2.49
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4Bit Optocoupler Isolator 12V to 5V Level Voltage Converter Board PLC Signal [B1098] 4Bit Optocoupler Isolator 12V to 5V Level Voltage Converter Board PLC Signal [B1098] Features: 1. Conversion frequency:20KHZ. 2. Size:72*55*18mm 3. Mounting Hole Size: 64*47mm, diameter 3mm.   Application: 1. It can be used for signal isolation 2. PLC signal level converting 3. PNP/NP... $4.17
$5.95 SKU: 8037
$4.17
$5.95
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DC Motor Driver Module Forward Reverse Controller 12V 10A Limit Control DC Motor Driver Module Forward Reverse Controller 12V 10A Limit Control Description:     Motor forward and reverse controller is used to control motor work status to make sure motor can be precisely controlled.Applicable to occasions where the motor control requirements are increased.  ... $6.29
$8.99 SKU: 13543
$6.29
$8.99
 30

10pcs 3W Pure White COB High Power LED Roundness LED Light Emitting Diode 10pcs 3W Pure White COB High Power LED Roundness LED Light Emitting Diode Description: Package contained: 10pcs x LED Light Emitting Diode Flux (brightness) : 300-400LM Color temperature :6000-6500K Forward voltage:9.6-10.5V Power: 3W Angle: 120-140 degrees Current: IF=260mA Working temperatu... $3.99 SKU: 12898
$3.99

Wireless Bluetooth-compatible Audio Stereo Module APP Controller BLE5.0 20W+20W USB/AUX Digital Amplifier Module Wireless Bluetooth-compatible Audio Stereo Module APP Controller BLE5.0 20W+20W USB/AUX Digital Amplifier Module 1.Description:     XY-AP15H is a high-power Stereo Bluetooth Audio module.     Dual channels audio signal output.     Built-in amplifier module therefore it can connect to loudspeaker d... $9.79
$13.99 SKU: GY18664
$9.79
$13.99
 31

5V to 24V 8-Channel Photoelectric Isolation Module Level Voltage Converter PNP Output PLC Signal Module 5V to 24V 8-Channel Photoelectric Isolation Module Level Voltage Converter PNP Output PLC Signal Module Product Introduction: 1.Adopt optocoupler 2.Limit Conversion Frequency:20KHz 3.Appearance Size:85*98*18mm 4.Applications: For signal isolation;MCUs and PLCs level conversion of signals;transform PNP,NPN singal into PNP signal;s... $8.39
$11.99 SKU: 11589
$8.39
$11.99
 30

DC 5V MP3 Wireless Bluetooth-compatible Audio Receiver Module Lossless Decoder V4.1 for DIY Speaker Compatiable with Andrioid iOS DC 5V MP3 Wireless Bluetooth-compatible Audio Receiver Module Lossless Decoder V4.1 for DIY Speaker Compatiable with Andrioid iOS Parameter:   1>.Supply voltage: DC 3.7-5.5V   2>.Work current: 23mA-30mA   3>.Power supply interface: Micro USB or Male Pin   4>.Bluetooth name: BM3   5>.Bluetooth password: 168... $3.42
$4.89 SKU: 13825
$3.42
$4.89
 30

LCD Lyrics Display Bluetooth-compatible Module Amplifier USB Player MP3 Decoder Board with Remote Control LCD Lyrics Display Bluetooth-compatible Module Amplifier USB Player MP3 Decoder Board with Remote Control 1.Description:   It is a MP3 decoder board. It supports input audio methods such as U disk,TF card,FM radio,Bluetooth,external audio source,etc.You can choose one of the input methods.It has an LCD display that can display the n... $12.59
$17.99 SKU: GY19956
$12.59
$17.99
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Button Control Recordable Voice Module 120 Seconds Greeting Card Music Sound Talk Chip Musical Player Button Control Recordable Voice Module 120 Seconds Greeting Card Music Sound Talk Chip Musical Player Description: 1.Item Name:Recordable Voice Module 2.Recording time:120 second 3.Work Temperature:-40℃~85℃ 4.Work Humidity:0%~95%RH 5.Size:110*58*8mm   Function: 1.Recording time is up to 120 seconds ... $5.59
$7.99 SKU: 13421
$5.59
$7.99
 31

12V to 3.3V 2-Channel Optocoupler Isolator Photoelectric Isolation Module Level Voltage Converter 2Bit NPN Output PLC Signal Converter 12V to 3.3V 2-Channel Optocoupler Isolator Photoelectric Isolation Module Level Voltage Converter 2Bit NPN Output PLC Signal Converter 1.Description:   DST-1R2P-N is a 2CH optocoupler isolator for signal converter.It is used for digital signal one-way conversion and NPN output.   2.Features:   1>.Optocoupler isolator   2>.Co... $4.19
$5.99 SKU: 15023
$4.19
$5.99
 31

1-Channel Signal Generator 8A Driver Module for Motor/Lamp 1Hz-150KHz Dual Mode LCD PWM Pulse Frequency Duty Cycle Adjustable Module 1-Channel Signal Generator 8A Driver Module for Motor/Lamp 1Hz-150KHz Dual Mode LCD PWM Pulse Frequency Duty Cycle Adjustable Module 1.Description:     ZK-PP2 signal generator is a device that provides electrical signals at a variety of frequencies, square wave, pulse and output levels.     It supports dual mode: PWM mode and PULSE mode. ... $5.59
$7.99 SKU: 13557
$5.59
$7.99
 31

DC 12-30V XH-A902 Operational Pre-Amplifier Module NE5532 Amplifier Front Panel Digital Audio Module DC 12-30V XH-A902 Operational Pre-Amplifier Module NE5532 Amplifier Front Panel Digital Audio Module Description:   The XH-A902 audio preamplifier board uses the original imported op amp chip, which is purer than other similar op amps.Smaller noise floor.It is suitable for a wide range of preamplifier amplification of all audio... $3.49
$4.99 SKU: 13904
$3.49
$4.99
 31

Signal Generator Square Wave Generator 1-Channel 1Hz-150KHz Dual Mode LCD PWM Pulse Frequency Duty Cycle Adjustable Module Signal Generator Square Wave Generator 1-Channel 1Hz-150KHz Dual Mode LCD PWM Pulse Frequency Duty Cycle Adjustable Module 1.Description:     ZK-PP1 signal generator is a device that provides electrical signals at a variety of frequencies, square wave, pulse and output levels. It supports dual mode: PWM mode and PULSE mode. It is used as a sign... $5.59
$7.99 SKU: 13556
$5.59
$7.99
 31

DC 5V Wireless Bluetooth-compatible Receiver Audio Transceiver Module, MP3 Lossless Decoder Board, Transmitter Receiver Support FM U-disk TF Card Audio Signal Input Acrylic Shell DC 5V Wireless Bluetooth-compatible Receiver Audio Transceiver Module, MP3 Lossless Decoder Board, Transmitter Receiver Support FM U-disk TF Card Audio Signal Input Acrylic Shell 1.Description: It is a Bluetooth Audio Transceiver Module Lossless Decoder. It support Bluetooth/U-disk/TF Card/FM/AUX audio input and remote control. It can not only receive Bluetooth signals, but also send Bluetooth audio s... $11.89
$16.99 SKU: GY16700
$11.89
$16.99
 30

Dual Channel Signal Generator 1Hz-160KHz PWM Frequency Duty Cycle Complimentary Adjustable Module LED Display Dual Channel Signal Generator 1Hz-160KHz PWM Frequency Duty Cycle Complimentary Adjustable Module LED Display Description: PWM signal generator is a device that provides electrical signals at a variety of frequencies, square wave, and output levels.It is used as a signal source or excitation source for testing.Widely used in production practic... $4.89
$6.99 SKU: 13327
$4.89
$6.99
 31

Red Display Lithium Battery Capacity Indicator Voltmeter ON/OFF Controller Voltage Tester 12.6V for 12V Lead-acid Battery or 4pcs 3.7V 4.2V Lithium Batteries Red Display Lithium Battery Capacity Indicator Voltmeter ON/OFF Controller Voltage Tester 12.6V for 12V Lead-acid Battery or 4pcs 3.7V 4.2V Lithium Batteries 1.Description:   It is a dual display Lithium Battery Capacity Indicator.It can measure 3.7V or 4.2V battery and support dual USB output.   2.Feature:   1>.Dual display   2>.Dual USB output ... $4.19
$5.99 SKU: 15189
$4.19
$5.99
 31

TPA3116D2 50Wx2 Bluetooth-compatible Amplifier Module Audio Stereo Module APP Controller BLE5.0 50W+50W USB/AUX/PC TPA3116D2 50Wx2 Bluetooth-compatible Amplifier Module Audio Stereo Module APP Controller BLE5.0 50W+50W USB/AUX/PC 1.Description:     XY-KA50L is a high-power Stereo Bluetooth Audio module.     Dual channels audio signal output.Built-in amplifier module therefore it can connect to loudspeaker directly.It is ideal for ... $12.59
$17.99 SKU: GY18894
$12.59
$17.99
 30

DC 12V 0.01-2000MHz 2GHz 32dB LNA Broadband RF Low Noise Amplifier Module DC 12V 0.01-2000MHz 2GHz 32dB LNA Broadband RF Low Noise Amplifier Module 1.Description:   The amplifier has the advantages of wide frequency range, high gain, low noise figure, etc.   It can be used in various RF receiving front ends to increase the communication distance.   Wide r... $11.89
$16.99 SKU: GY15612
$11.89
$16.99
 30

XY-W50L WIFI Electronic Clock DC 5V-24V 50W+50W Bluetooth-Compatible Amplifier APP Control Alarm 12/24H XY-W50L WIFI Electronic Clock DC 5V-24V 50W+50W Bluetooth-Compatible Amplifier APP Control Alarm 12/24H XY-W50L Bluetooth Amplifier & WiFi Alarm Clock   1.Description: XY-W50L is a high-power 50W*2 Stereo Bluetooth Digital Power Amplifier Board with WIFI Electronic Clock Alarm.   Its WiFi timing funct... $18.19
$25.99 SKU: GY19622
$18.19
$25.99
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Wireless Bluetooth-compatible Decoder Module Audio Receiver APP Controller BLE5.0 AUX Audio Output for Digital Amplifier Module Wireless Bluetooth-compatible Decoder Module Audio Receiver APP Controller BLE5.0 AUX Audio Output for Digital Amplifier Module 1.Description:     XY-ABT is a MP3 Bluetooth Decoder Module.Dual channels audio signal output. It is ideal for DIY wireless Bluetooth speakers and transponders. It can work with APP Sinilink which can display can monito... $3.49
$4.99 SKU: GY18667
$3.49
$4.99
 31

16 Channel PLC Amplifier Module Isolated Transistor Controller NPN Signal Converter 16bit PLC Protector Optocoupler 16 Channel PLC Amplifier Module Isolated Transistor Controller NPN Signal Converter 16bit PLC Protector Optocoupler 1.Description:   It is a 16Channel PLC Amplifier Module.It adopts optocoupler isolation control, NPN signal output, safe and reliable.   2.Features:   1>.Optocoupler isolation control   2>.16... $20.99
$29.99 SKU: 14756
$20.99
$29.99
 30

DC 5V PCM5102 DAC Decoder I2S Voice Playback Module for Raspberry Pi DC 5V PCM5102 DAC Decoder I2S Voice Playback Module for Raspberry Pi 1.Description:   It is a PCM5102 DAC decoder module. This board does not need to be connected to the MCLK chip.The internal PLL up-frequency generates MCLK clock, which is much better than using asynchronous clock. The int... $8.11
$11.59 SKU: GY18073
$8.11
$11.59
 31

12V to 5V 8-Channel 8bit Photoelectric Isolation Module Level Voltage Converter PNP Output PLC Signal Module 12V to 5V 8-Channel 8bit Photoelectric Isolation Module Level Voltage Converter PNP Output PLC Signal Module Product Introduction: 1.Adopt optocoupler 2.Limit Conversion Frequency:20KHz 3.Appearance Size:85*98*18mm 4.Applications: For signal isolation;MCUs and PLCs level conversion of signals;transform PNP,NPN singal into PNP signal;s... $7.69
$10.99 SKU: 11590
$7.69
$10.99
 31

LNA 50-4000 MHz RF Low Noise Amplifier Signal Receiver SPF5189 NF 0.6dB with Shielding shell LNA 50-4000 MHz RF Low Noise Amplifier Signal Receiver SPF5189 NF 0.6dB with Shielding shell Parameter: 1>.NF: SPF5189Z 2>.LNA: 50-4000mhz 3>.LNA0: 0.6 dB 4>.Amplifier: FM 5>.Work Temperature:-40℃~85℃ 6>.Work Humidity:0%~95%RH 7>.Size:52x25x6.5mm   Features: 1>... $5.31
$7.59 SKU: 13507
$5.31
$7.59
 31

Differential Amplifier Board 5Wx2 Digital Class D Stereo Audio Power Amplifier HT8698 DC 3.3V 5V Differential Amplifier Board 5Wx2 Digital Class D Stereo Audio Power Amplifier HT8698 DC 3.3V 5V 1.Description:     The differential amplifying circuit utilizes the symmetry of the circuit parameters and the negative feedback to effectively stabilize the static operating point, and amplifies the differential mode signa... $5.59
$7.99 SKU: GY16681
$5.59
$7.99
 31

LCR-T4 Transistor Tester ESR Resistor Detector Capacitor Instrument Multifunction Detector W/ Acrylic Shell 12864 LCD Display LCR-T4 Transistor Tester ESR Resistor Detector Capacitor Instrument Multifunction Detector W/ Acrylic Shell 12864 LCD Display 1.Description: It is a LCR-T4 transistor tester.It uses an ATmega328 microcontroller. The liquid crystal is a 12864 liquid crystal display with a backlight, and the backlight color is generally yellow-green.Powered by 9v stacked ... $13.99
$19.99 SKU: GY18057
$13.99
$19.99
 30

DC 0-3.3V to 4-20mA Non-Isolated Voltage to Current Converter Module Linear Output LED Indicator DC 0-3.3V to 4-20mA Non-Isolated Voltage to Current Converter Module Linear Output LED Indicator 1.Description:     It is a 0-3.3V to 4-20mA Voltage to Current Converter. It can convert DC 0-3.3V voltage signal to 4-20mA current signal. User also can reset input voltage range and output current range by two potentiometer... $6.99
$9.99 SKU: GY18326
$6.99
$9.99
 30

MP3 Music Player Voice Playback Amplifier Module 5W SD/TF Card Integrated UART I/O Trigger Class D MP3 Music Player Voice Playback Amplifier Module 5W SD/TF Card Integrated UART I/O Trigger Class D 1.Description:   DY-SV5W is an intelligent voice module developed by the division independently. It integrates I/O subsection triggering, UART serial port control, ONE_line single bus serial port control. Onboard 5W Class D ... $4.68
$6.69 SKU: 13442
$4.68
$6.69
 31

4PCS TXS0108E High-Speed Full-Duplex TXS0108E 8 Channel Logic Level Converter Module for Arduino Raspberry Pi IIC I2C SPI 4PCS TXS0108E High-Speed Full-Duplex TXS0108E 8 Channel Logic Level Converter Module for Arduino Raspberry Pi IIC I2C SPI Description:   8 digit bi-directional 3.3V-5V/5V-3.3V logic level converter board. It can bidirectionally transfer with 8 channels between high logic voltage and low logic voltage. VCCA side voltage range: 1.... $4.90
$7.00 SKU: 7098
$4.90
$7.00
 30

30s Voice Recorder Chip 30 Seconds Music Audio Recordable Board Voice Module for Electronic Toy Gift 30s Voice Recorder Chip 30 Seconds Music Audio Recordable Board Voice Module for Electronic Toy Gift Product Introduction : 1.Operating Voltage: 3-5V 2.Standby Current: <5uA (3.6V) 3.Recording Time: 30seconds 4.Recording Input: adopt ADC 14 Bit, Audio Out DAC 14 Bit 5.Recording Voice Format: ADPCM 6.Recording Distance: 3-... $1.60
$2.29 SKU: 9495
$1.60
$2.29
 31

DC 3.3V 2Bit Optocoupler Isolator 3.3V to 3.3V PLC Signal Converter Board 2 Channel Level Voltage Converter NPN Output DC 3.3V 2Bit Optocoupler Isolator 3.3V to 3.3V PLC Signal Converter Board 2 Channel Level Voltage Converter NPN Output Description: 1>.Adopt new and original Taiwan optocoupler. 2>.The limit conversion frequency is 20KHZ. 3>.Wide range of uses, can be used for signal isolation, level conversion between single-chip, PLC and other sign... $3.49
$4.99 SKU: 13671
$3.49
$4.99
 31

AC 110V 220V 8-Channel Optocoupler Isolation Module PNP High Level Output AC Testing Module Power Monitor AC 110V 220V 8-Channel Optocoupler Isolation Module PNP High Level Output AC Testing Module Power Monitor 1.Description:     It is a AC 110V 220V 8-Channel Optocoupler Isolation Module.It can detect 8-Channel AC input power sources and output DC voltage according to the detection results. The output results can be applied to PL... $11.89
$16.99 SKU: GY18567
$11.89
$16.99
 30

DC 12V-24V 8CH Optocoupler Isolation Module 8-Channel PNP NPN Low High Level Output Signal Converter DC 12V-24V 8CH Optocoupler Isolation Module 8-Channel PNP NPN Low High Level Output Signal Converter 1.Description:     It is a DC 12V 24V 8-Channel Optocoupler Isolation Module.It can detect 8-Channel DC input power sources and output DC voltage according to the detection results. The output results can be applied to PLC ... $7.69
$10.99 SKU: GY18566
$7.69
$10.99
 31

DC Motor Driver Module 10A 12V QF-M05 Forward Reverse Controller Self-locking DC Motor Driver Module 10A 12V QF-M05 Forward Reverse Controller Self-locking Description:     Motor forward and reverse controller is used to control motor work status to make sure motor can be precisely controlled. Applicable to occasions where the motor control requirements are increased. &nbs... $5.59
$7.99 SKU: 13541
$5.59
$7.99
 31

DC 3.3V 5V 8-Channel Optocoupler Isolation Module PNP NPN Low High Level Output Signal Converter DC 3.3V 5V 8-Channel Optocoupler Isolation Module PNP NPN Low High Level Output Signal Converter 1.Description:     It is a DC 3.3V 5V 8-Channel Optocoupler Isolation Module.It can detect 8-Channel DC input power sources and output DC voltage according to the detection results. The output results can be applied to PLC ... $7.41
$10.59 SKU: GY18570
$7.41
$10.59
 30

AC 110V 220V 8-Channel Optocoupler Isolation Module NPN Low Level Output AC Testing Module Power Monitor AC 110V 220V 8-Channel Optocoupler Isolation Module NPN Low Level Output AC Testing Module Power Monitor 1.Description:     It is a AC 110V 220V 8-Channel Optocoupler Isolation Module.It can detect 8-Channel AC input power sources and output DC voltage according to the detection results. The output results can be applied to PL... $15.39
$21.99 SKU: GY18546
$15.39
$21.99
 30

Battery Indicator Voltage and Electricity Thermometer LCD Display Voltmeter for 10V-99V Battery Battery Indicator Voltage and Electricity Thermometer LCD Display Voltmeter for 10V-99V Battery Description:   Compatible with lead-acid batteries between 10V-99.9V, dry batteries, water batteries, ternary lithium batteries,lithium polymer, lithium ion batteries and lithium iron phosphate.   It needs to be matched acc... $9.09
$12.99 SKU: GY19171-1
$9.09
$12.99
 30

Intelligent Offline Speech Recognition Module Voice Recognition Control Switch Lights Chip Sound Control SU-10A Module Intelligent Offline Speech Recognition Module Voice Recognition Control Switch Lights Chip Sound Control SU-10A Module 1.Description:  It is a offline speech recognition module. SU-10A is a low-cost, low-power, small-size offline voice recognition module, which can be quickly applied to smart homes, all kinds of smart home appliances, toys, lamp... $4.89
$6.99 SKU: GY19551
$4.89
$6.99
 31

DC 5V 2-Channel PLC Amplifier Optical Isolator NPN Output Signal Converter Board DC 5V 2-Channel PLC Amplifier Optical Isolator NPN Output Signal Converter Board Description   1. Adopt new original imported FET.   2. The input signal is compatible with NPN and PNP, and is compatible with PLC equipment such as Mitsubishi, Panasonic, Siemens, and domestic PLC.   ... $5.59
$7.99 SKU: 13673
$5.59
$7.99
 31

DC 12V 24V TPA3118D2 Voice Audio Amplifier Module Stereo 45W+45W Digital Power Amplifier Board XH-M312 DC 12V 24V TPA3118D2 Voice Audio Amplifier Module Stereo 45W+45W Digital Power Amplifier Board XH-M312 Parameters:   1>.Model:XH-M312   2>.Work voltage:DC 12V-28V   3>.IC:TPA3118D2   4>.Power interface:DC 5.5*2.1mm socket   5>.Audio channel:2CH   6>.Output power:45W*2... $6.29
$8.99 SKU: 14288
$6.29
$8.99
 30

DC 5V MP3 Voice Module, 4M Flash Voice Playback Module with 3W Amplifier for Broadcast Alarm DC 5V MP3 Voice Module, 4M Flash Voice Playback Module with 3W Amplifier for Broadcast Alarm 1.Description:   It is a 4M flash voice playback module.It can play music by inserting TF card. It can be connected to the human body's infrared sensing head, and the human body's infrared trigger will play the voice onc... $3.91
$5.59 SKU: GY17114
$3.91
$5.59
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