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Downloader Tester Shield for ESP-01/01S/12E/12F/12S/18T ESP8266 IoF Wireless WIFI Transceiver Module Downloader Tester Shield for ESP-01/01S/12E/12F/12S/18T ESP8266 IoF Wireless WIFI Transceiver Module 1.Description:   It is a Downloader for ESP-12S/12F/12E/07S/07S/01S/01 WIFI Wireless Module.It has output all GPIO ports for user debugging.   2.Feature:   1>.Super simple operation   2>.Repe... $7.69
$10.99
SKU: GY17101
$7.69
$10.99

31

AC/DC 12V 200ohm Resistor Tester ohmmeter Low Resistance Tester Electrical Instrument LCD Display Impedance Meter AC/DC 12V 200ohm Resistor Tester ohmmeter Low Resistance Tester Electrical Instrument LCD Display Impedance Meter   1.Description:   It is a LCD display resistance tester which can test the resistance of the load. 2.Feature:   1>.AC and DC dual power supply   2>.LCD high-definition display   3>.High... $8.81
$12.59
SKU: GY16938
$8.81
$12.59

30

8-Channel USB Output Buck Converter 8USB DC-DC Step Down Power Supply Charging Module 5V 5A 8-Channel USB Output Buck Converter 8USB DC-DC Step Down Power Supply Charging Module 5V 5A  1.Description:   It is a step-down charging module.The product itself has a power converter.It can be used for mobile phones,tablets,recorders and other equipment with 5V input voltage. 2.Feature:   1>.Anti-re... $9.51
$13.59
SKU: GY16930
$9.51
$13.59

30

2-Channel QC2.0 QC3.0 SCP AFC LED Digital Display Buck Converter 2USB DC-DC Step Down Power Supply Module 5V 5A 2-Channel QC2.0 QC3.0 SCP AFC LED Digital Display Buck Converter 2USB DC-DC Step Down Power Supply Module 5V 5A 1.Description:   It is a digital display buck module.It has anti-reverse protection and overcurrent protection. 2.Feature:   1>.Digital dispiay   2>.Anti-reverse protection   3>.Overcurrent prote... $9.09
$12.99
SKU: GY16928
$9.09
$12.99

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DC 12V 24V Voice Playback Module High Power Digital Amplifier Module 8M FLASH Mono 20W 8ohm MP3 WAV UART Controller for Arduino DC 12V 24V Voice Playback Module High Power Digital Amplifier Module 8M FLASH Mono 20W 8ohm MP3 WAV UART Controller for Arduino 1.Description:     DY-HV8F 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, Standard MP3 ... $6.29
$8.99
SKU: GY16922
$6.29
$8.99

30

Red Blue Digital Display Battery Charge Controller Discharging Protector 99.9V with Shell for Lead-acid or Lithium Battery Red Blue Digital Display Battery Charge Controller Discharging Protector 99.9V with Shell for Lead-acid or Lithium Battery 1.Description:   It is a multifunctional battery voltage control switch.It is a digital display charging control board.It can be used as a battery charging module.   2.Feature:   1>.Digital display &... $6.29
$8.99
SKU: GY16859
$6.29
$8.99

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DC 12V High Temperature Contorller -10C~210C Red+Blue Display Thermostat NTC Sensor Waterproof Metal Probe Relay Output Return Temperature DC 12V High Temperature Contorller -10C~210C Red+Blue Display Thermostat NTC Sensor Waterproof Metal Probe Relay Output Return Temperature 1.Description:   It is a High temperature controller.It can control the temperature of the environment. 2.Feature:   1>.Fast refresh rate   2>.Digital dispiay   3>.High precision   4>.M... $5.59
$7.99
SKU: GY16853
$5.59
$7.99

31

Red Digital Thermometer Display Screen Module Temperature Meter for DS18B20 Temperature Sensor -55℃~125℃ Red Digital Thermometer Display Screen Module Temperature Meter for DS18B20 Temperature Sensor -55℃~125℃ 1.Description:   It is a digital thermometer display screen module for DS18B20 temperature sensor.It is a high-precision digial display with temperature character.   2.Feature:   1>.Digital display &... $4.19
$5.99
SKU: GY16851
$4.19
$5.99

31

SCL-10A AMP PWM PV Solar Charge Controller 12V 24V Solar Panel Battery RV Boat PWM Charging Controller SCL-10A AMP PWM PV Solar Charge Controller 12V 24V Solar Panel Battery RV Boat PWM Charging Controller 12V 24V Solar Charge Controller   1.Description:   It is a 12V 24V Solar Charge Controller. It can only charge 12V or 24V battery and just can connect to solar generator with rated voltage of 18V.   2.F... $13.29
$18.99
SKU: GY16701
$13.29
$18.99

30

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

2.4GHz CC2520 Controller Development Board for ZigBee Wireless Transceiver Module SMA Antenna Socket 2.4GHz CC2520 Controller Development Board for ZigBee Wireless Transceiver Module SMA Antenna Socket 1.Description:   The CC2520 is TI's second generation ZigBee IEEE 802.15.4 RF transceiver for the 2.4GHz unlicensed ISM band. This chip enables industrial grade applications by offering state-of-the-art selectivity/co-existe... $4.89
$6.99
SKU: GY16695
$4.89
$6.99

31

ESP8266 WIFI Wirelesss Transceiver Module Support Airkiss Protocol UART TTL Control ESP8266 WIFI Wirelesss Transceiver Module Support Airkiss Protocol UART TTL Control 1.Description:   It is a ESP8266 WIFI Wirelesss Transceiver Module.It base on ESP8266EX controller.It supports data transparent transmission function and Airkiss protocol.   2.Feature:   1>.UART to WIFI ... $4.89
$6.99
SKU: GY16687
$4.89
$6.99

31

Waterproof DC-DC 3USB Step Down Power Supply Module 9V/12V/24V to 5V 6A Voltage Converter for Driving Recorder Waterproof DC-DC 3USB Step Down Power Supply Module 9V/12V/24V to 5V 6A Voltage Converter for Driving Recorder 1.Description:   It is a Waterproof Non-isolated Step Down Power Supply Converter.It can output three stable 5V voltage from USB.   2.Feature:   1>.Waterproof   2>.ABS flame retardant plastic... $6.15
$8.79
SKU: GY16685
$6.15
$8.79

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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

DC 5V 12V RGB LED Sound Control Sensor Audio Spectrum Display Module Volume LED Level Indicator DC 5V 12V RGB LED Sound Control Sensor Audio Spectrum Display Module Volume LED Level Indicator 1.Description:   It is a music spectrum display.The displayed LED achieves a very cool effect by inputting the music of the audio from microphone,the amount of automatic brightness and the number of LEDs.   2.Featur... $3.45
$6.89
SKU: GY16348
$3.45
$6.89

50

DC 5V 12V RGB LED Mono Sound Control Sensor Audio Spectrum Display Module DC 5V 12V RGB LED Mono Sound Control Sensor Audio Spectrum Display Module 1.Description:   It is a mono music spectrum display.The displayed LED achieves a very cool effect by inputting the music of the audio from microphone, the amount of automatic brightness and the number of LEDs.   2.... $5.59
$7.99
SKU: GY16347
$5.59
$7.99

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DC 5V 12V Blue LED Voice Sensor Audio Spectrum Display Module Two-channel Input DC 5V 12V Blue LED Voice Sensor Audio Spectrum Display Module Two-channel Input 1.Description:   It is a music spectrum display.The displayed LED achieves a very cool effect by inputting the size of the audio, the amount of automatic brightness and the number of LEDs.   2.Feature:   1&... $6.29
$8.99
SKU: GY16346
$6.29
$8.99

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ESP32-CAM ESP32 5V WIFI Bluetooth-compatible Development Board with OV2640 Camera Module ESP32-CAM ESP32 5V WIFI Bluetooth-compatible Development Board with OV2640 Camera Module 1.Description:   The ESP32-CAM has a very competitive small-size camera module that can operate independently as a minimum system, measuring only 27*40.5*4.5mm, with deep sleep current and a minimum of 6mA.    ... $8.25
$11.79
SKU: GY16338
$8.25
$11.79

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Battery Capacity Tester mAh mWh for 18650 Lithium Battery Voltage Discharge Capacity and Discharge Energy Battery Capacity Tester mAh mWh for 18650 Lithium Battery Voltage Discharge Capacity and Discharge Energy 1.Description:   It is a Lithium battery capacity tester.It is used to test the voltage, discharge capacity and discharge energy of a 18650 lithium battery.   2.Feature:   1>.Dual working power supply ... $8.05
$11.50
SKU: GY16328
$8.05
$11.50

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DC-DC Step UP Down Power Supply Module Adjustable 20W Boost Buck Voltage Converter Positive & Negative Dual Output 5V-24V to +/-3V-30V for Amplifier DC-DC Step UP Down Power Supply Module Adjustable 20W Boost Buck Voltage Converter Positive & Negative Dual Output 5V-24V to +/-3V-30V for Amplifier 1.Description:   It is a Adjustable Dual Output Step UP/Down Power Supply Module with input DC 3.6V~30V and output DC +/-3V~30V.   2.Feature:   1>.Low ripple   2>.High efficiency   3... $8.39
$11.99
SKU: GY16078
$8.39
$11.99

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DC-DC Step Down Power Supply Module Buck Voltage Converter 4Bit 3.3V 5V 12V Adjustable Output DC-DC Step Down Power Supply Module Buck Voltage Converter 4Bit 3.3V 5V 12V Adjustable Output 1.Description:   It is a Step Down Power Supply Module with input DC 4.5V~30V and output DC 2V~28V. It can output three stable 3.3V/5V/12V voltage and one adjustable output voltage.   2.Feature:   1>.Low... $7.41
$10.59
SKU: GY16075
$7.41
$10.59

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650nm 5mW 3V Laser Red Cross Symbol Module Red Laser Diode Laser Pointer Horizontal Positioning Light 650nm 5mW 3V Laser Red Cross Symbol Module Red Laser Diode Laser Pointer Horizontal Positioning Light 1.Description:   It is a 650nm 5mW 3V Red Cross Laser Module.Its effect is a dot that can be used for horizontal positioning, pointing point and so on.   2.Feature:   1>.Continuous laser   2>... $3.75
$5.35
SKU: GY16071
$3.75
$5.35

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QA-1/155 0.25mm 100g Polyurethane Enameled Copper Wire Electromagnetic Wire 2UEW For Transformer Wire Inductance coil QA-1/155 0.25mm 100g Polyurethane Enameled Copper Wire Electromagnetic Wire 2UEW For Transformer Wire Inductance coil 1.Description:   It is a QA-1/155 insulated copper wire.   2.Feature:   1>.Insulated copper wire   2>.Easy and convenient   3>.High softness   3.Parameter:  ... $5.80
$8.29
SKU: GY16068
$5.80
$8.29

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AC 220V DC 12V WIFI Relay Switch ESP-12F Remote Control Smart Home ESP8266 Relay Module AC 220V DC 12V WIFI Relay Switch ESP-12F Remote Control Smart Home ESP8266 Relay Module 1.Description:   LC-Relay-ESP12-1R-MV single relay development board onboard ESP-12F WiFi module, I/O orifice full lead, support AC90-250V/DC7-12V/USB 5V etc. many supply power way. Provide Arduino develop environment reference ... $6.99
$9.99
SKU: GY16060
$6.99
$9.99

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DC 3.3V 5V CH9121 Ethernet Network Module UART to RJ45 Converter TCP/IP 100M 802.3 DC 3.3V 5V CH9121 Ethernet Network Module UART to RJ45 Converter TCP/IP 100M 802.3 1.Description:   It is a UART to RJ45 Ethernet Network Converter Module with CH9121 controller.The CH9192  has built-in TCP/IP communication protocol.It can realize two-way transparent transmission of network data packe... $7.41
$10.59
SKU: GY16057
$7.41
$10.59

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DC 5V 1A Charging Discharge Module for 18650 Lithium Battery UPS Voltage Converter DC 5V 1A Charging Discharge Module for 18650 Lithium Battery UPS Voltage Converter 1.Description:   It is a UPS uninterruptible power supply control board.   2.Features:   1>.Support charging and discharging at the same time   2>.Large current   3>.Small size ... $1.39
$1.99
SKU: GY16054
$1.39
$1.99

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TPS5430 30W Positive Negative Dual Buck Step Down Power Supply Module with Switching 12V Output TPS5430 30W Positive Negative Dual Buck Step Down Power Supply Module with Switching 12V Output 1.Description:   It is a Dual Output Step Down Power Supply Module with input DC 13V~36V and output DC -12V and +12V. It can provide stable +/-12V output.It can maximum output 2.5A.   2.Feature:   1>.Low... $9.09
$12.99
SKU: GY15607
$9.09
$12.99

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AC-DC DC-DC Step Down Power Supply Module 50W Buck Adjustable Voltage Converter AC 5V-22V DC 5V-35V to DC 3V-30V AC-DC DC-DC Step Down Power Supply Module 50W Buck Adjustable Voltage Converter AC 5V-22V DC 5V-35V to DC 3V-30V 1.Description:   It is a DC-DC step down power supply module. It can output 4.5A at maximum and 50W and used for amplifier module.   2.Feature:   1>.High power output   2>.Stable 4.5A output ... $4.12
$5.89
SKU: GY15608
$4.12
$5.89

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RDA5820N FM Frequency Modulation Transceiver Module 76-108.0MHz FM Broadcast Transmitter Receiver RDA5820N FM Frequency Modulation Transceiver Module 76-108.0MHz FM Broadcast Transmitter Receiver 1.Description:   RDA5820NS is a new generation single-chip broadcast FM receive/transmit module.It can be used both as an FM transmitter and as an FM receiver. It reads and sends data from the public IIC interface.   ... $6.22
$8.89
SKU: GY15610
$6.22
$8.89

31

RDA5820N FM Frequency Modulation Transceiver Module 76-108.0MHz FM Broadcast Transmitter Receiver RDA5820N FM Frequency Modulation Transceiver Module 76-108.0MHz FM Broadcast Transmitter Receiver 1.Description:   RDA5820NS is a new generation single-chip broadcast FM receive/transmit module.It can be used both as an FM transmitter and as an FM receiver. It reads and sends data from the public IIC interface.   ... $3.98
$5.69
SKU: GY15611
$3.98
$5.69

31

DC 3.3V LPS22HB Atmospheric Pressure Sensor Module IIC SPI for Arduino DC 3.3V LPS22HB Atmospheric Pressure Sensor Module IIC SPI for Arduino 1.Description:   The LPS22HB is a barometric sensor module. It can measure 500 meters from the sea floor to an altitude of 9000 meters in the air, and the accuracy can reach 10cm (1pa resolution), which is very suitable for floo... $5.45
$7.79
SKU: GY15618
$5.45
$7.79

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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

DIY Kit RGB Flash LED Circuit Colorful Christmas Trees LED Soldering Practice Kits Xmas Fun Gift DC 4.5V-5.5V DIY Kit RGB Flash LED Circuit Colorful Christmas Trees LED Soldering Practice Kits Xmas Fun Gift DC 4.5V-5.5V RGB LED Flash Christmas Tree DIY Kit 1.Introduction: It is a flash Christmas tree kit consists of three circuit board, allows 36 LED flash alternately, showing a Christmas tree in the space of three-dimensional profile (the night e... $6.22
$8.89
SKU: 14959
$6.22
$8.89

31

Lithium Battery Capacity Indicator Voltmeter Voltage Tester 5V 2A Dual USB Output 12.6V for 3pcs 3.7V 4.2V Lithium Batteries Lithium Battery Capacity Indicator Voltmeter Voltage Tester 5V 2A Dual USB Output 12.6V for 3pcs 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: 15192
$4.19
$5.99

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

BK3266 Bluetooth-compatible Power Amplifier Board 2x30W/20W Support AUX Audio Input Support Change Name and Password BK3266 Bluetooth-compatible Power Amplifier Board 2x30W/20W Support AUX Audio Input Support Change Name and Password 1.Description:   It is a BK3266 Bluetooth 5.0 stereo audio transceiver module support amplifier module.It has a built-in amplifier module and can connect to speaker directly.It can also modify the Bluetooth name or password. ... $12.59
$17.99
SKU: 15187
$12.59
$17.99

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YF-S402C DC 5V 12V 3/8inch G3/8 Water Flow Hall Sensor Switch Flowmeter Hall Sensor Counter 0.8MPa 10L/min YF-S402C DC 5V 12V 3/8inch G3/8 Water Flow Hall Sensor Switch Flowmeter Hall Sensor Counter 0.8MPa 10L/min 1.Description:   It is a flow meter for measuring water flow.   2.Feature:   1>.High precision   2>.High pressure resistance   3>.Standard size   3.Parameter: &nb... $3.84
$5.49
SKU: 15149
$3.84
$5.49

31

DC 12V 10minute Delay Relay Module 10A Switch Controller Adjustable Trigger Delay Circuit Board DC 12V 10minute Delay Relay Module 10A Switch Controller Adjustable Trigger Delay Circuit Board 1.Description:   QF1025 is a trigger delay module.User can adjust delay time by potentiometer to meet require.   2.Feature:   1>.Low level trigger   2>.Support input reverse connection protec... $3.74
$4.99
SKU: 15148
$3.74
$4.99

25

DC 5V 12V 36V Trigger Counter Module Accumulator 0.56inch 4-Bit Red Digital Tube Display DC 5V 12V 36V Trigger Counter Module Accumulator 0.56inch 4-Bit Red Digital Tube Display 1.Description:   QF-C04 is a trigger counter. Each time input a trigger signal, the calculator adds one. Returns 0 when press Clear button.   2.Feature:   1>.Wide voltage input   2>.4Bit Red ... $4.49
$5.99
SKU: 15147
$4.49
$5.99

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AC 220V 99s 99min Delay Relay Module 10A Switch Controller Adjustable Trigger Delay Circuit Board JK13P-AR AC 220V 99s 99min Delay Relay Module 10A Switch Controller Adjustable Trigger Delay Circuit Board JK13P-AR 1.Description:   JK13P-AR is a trigger delay module.User can adjust delay time by potentiometer to meet require.   2.Feature:   1>.High voltage trigger   2>.Delay time can be set   3... $4.49
$5.99
SKU: 15144
$4.49
$5.99

26

DM09 DC-DC Step Down Power Supply Module 3.3V 10A Voltage Conveter Buck Output DC 5V-28V to DC 3.3V DM09 DC-DC Step Down Power Supply Module 3.3V 10A Voltage Conveter Buck Output DC 5V-28V to DC 3.3V 1.Description:   It is a Step Down Power Supply Module with input DC 5V~28V and output DC 3.3V.It can provide a stable 3.3V output.   2.Feature:   1>.Low ripple   2>.High efficiency  ... $4.40
$6.29
SKU: 15094
$4.40
$6.29

31

DD06CVSA Lithium Battery Charging Discharging Protector Power Support Module for 3.7V 4.2V Battery DD06CVSA Lithium Battery Charging Discharging Protector Power Support Module for 3.7V 4.2V Battery 1.Description:   It is a Lithium Battery Charging Discharging Protector.It support charging, discharging, charging protection, battery capacity indicator.   2.Feature:   1>.Support charging   2&... $3.91
$5.59
SKU: 15087
$3.91
$5.59

30

8-Channel RS485 Multifunctional Delay Relay Module DC 12V Modbus RTU Controller 8-Channel RS485 Multifunctional Delay Relay Module DC 12V Modbus RTU Controller 1.Description:   R421A08 8 channel Modbus relay module equipped with mature and stable 8-bit MCU and RS485 level communication chip,adopt standard MODBUS RTU format RS485 communication protocol. It can realize 8bit input signal ... $14.24
$18.99
SKU: 15080
$14.24
$18.99

25

5V USB Multi-function Meter LCD Voltmeter Ammeter Battery Capacity Tester Power Tester Temperature Display 5V USB Multi-function Meter LCD Voltmeter Ammeter Battery Capacity Tester Power Tester Temperature Display 1.Description:     XY-UDT is a multi-function voltage-ammeter. It can work in three mode: Power Supply Mode,Voltage-Ammeter Mode,PWM Mode.Its main function is to output voltage as a constant voltage constant current source ... $27.59 SKU: 15078
$27.59

Lithium Battery Charge Controller Battery Protection Board XY-CD60L 6V-60V LCD Display Battery Charging Control Board Lithium Battery Charge Controller Battery Protection Board XY-CD60L 6V-60V LCD Display Battery Charging Control Board 1.Description:     XY-CD60L is a battery charge and discharge controller module. It can be used for DC 6V~60V any one lithium/lead-acid battery.   2.Features:     1>.Multi-function test instrum... $6.99
$9.99
SKU: 15077
$6.99
$9.99

30

Dual Modbus Relay Module 2Bit Modbus-RTU Switch Signal Input Output RS485 TTL Controller Dual Modbus Relay Module 2Bit Modbus-RTU Switch Signal Input Output RS485 TTL Controller 1.Description:   LC 2 channel Modbus relay module equipped with mature and stable 8-bit MCU and RS485 level communication chip, adopt standard MODBUS RTU format RS485 communication protocol. It can realize 2bit input signal dete... $6.74
$8.99
SKU: 15045
$6.74
$8.99

26

4 Channel Modbus Relay Module 4Bit Modbus-RTU Switch Signal Input Output RS485 TTL Controller 4 Channel Modbus Relay Module 4Bit Modbus-RTU Switch Signal Input Output RS485 TTL Controller 1.Description:   LC 4 channel Modbus relay module equipped with mature and stable 8-bit MCU and RS485 level communication chip,adopt standard MODBUS RTU format RS485 communication protocol. It can realize 4bit input signal detec... $11.99 SKU: 15044
$11.99

DC 5V 4 Channel ESP8266 Wireless WIFI Module IoT Remote Controller 4CH 4Bit Switch Module APP Transceiver Self-locking/inching DC 5V 4 Channel ESP8266 Wireless WIFI Module IoT Remote Controller 4CH 4Bit Switch Module APP Transceiver Self-locking/inching 1.Description:   FY-WF4 is a WIFI module based 4 channel WIFI wireless switch controller. It integrates with MCU and GPIO control.It supports to connect and control 4 home appliances which can be turned on/off by app eWeLink and... $6.01
$8.59
SKU: 15035
$6.01
$8.59

30

5.8GHz DC 3.3V 5V 9V 12V Microwave Radar Sensor Module 20W Voltage Output Switch Controller 5.8GHz DC 3.3V 5V 9V 12V Microwave Radar Sensor Module 20W Voltage Output Switch Controller 1.Description:   XZG-LDK-6-CS is a 5.8GHz microwave radar sensor module.It can output voltage as same to input and the maximum output current is 2A so it can directly drive LED and other load.   2.Feature:  ... $3.84
$5.49
SKU: 15025
$3.84
$5.49

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

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... $7.69
$10.99
SKU: 15022
$7.69
$10.99

31

50W+50W HIFI Bluetooth-compatible Audio Stereo Module BLE5.0 TPA3116 AUX Digital Amplifier Module ZK-502C DC5-27V 50W+50W HIFI Bluetooth-compatible Audio Stereo Module BLE5.0 TPA3116 AUX Digital Amplifier Module ZK-502C DC5-27V 1.Description:     ZK-502C is a high-power stereo Bluetooth audio module. Dual channels audio signal output.     Adopt TPA3116D2 (with AM Interference Suppression Function) Chips, With Excellent Sound Qu... $13.29
$18.99
SKU: 14855
$13.29
$18.99

30

XY-CD60 Lithium Battery Charge Controller Battery Protection Board 6V-60V LCD Display Battery Charging Control Board XY-CD60 Lithium Battery Charge Controller Battery Protection Board 6V-60V LCD Display Battery Charging Control Board 1.Description:     XY-CD60 is a battery charge and discharge controller module. It can be used for DC 6V~60V any one lithium/lead-acid battery.   2.Features:     1>.Multi-function test ins... $6.99
$9.99
SKU: 14854
$6.99
$9.99

30

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

LM393 5V 1Bit Voltage Comparator Single Channel Relay Control Circuit Module LM393 5V 1Bit Voltage Comparator Single Channel Relay Control Circuit Module 1.Description:   It is a DC 5V 1Bit Voltage Comparator Module.It controls the output state of the relay by comparing the two voltages.   2.Features:   1>.Settable reference voltage   2>.Input... $5.95
$8.50
SKU: 14753
$5.95
$8.50

30

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 12V Photosensitive Sensor Controller Relay Driver Waterproof Brightness Adjustable Switch DC 12V Photosensitive Sensor Controller Relay Driver Waterproof Brightness Adjustable Switch 1.Description:   The precision 1-channel photo-relay module adopts genuine high-quality industrial-grade components, military-grade double-sided PCB board, and has two-color LED signal indicator; the layout is comprehensive, the... $4.87
$6.95
SKU: 14748
$4.87
$6.95

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DC-DC 20A CVCC High Power Supply Module 6V-40V to 1.2V-35V Step Down Converter Buck Module LED Driver DC-DC 20A CVCC High Power Supply Module 6V-40V to 1.2V-35V Step Down Converter Buck Module LED Driver 1.Description: It is a DC-DC 20A high power boost buck constant voltage constant current non-isolated power supply module.It supports adjust output voltage and output current.   【20A CVCC Step-down Power Module w/Overcur... $6.99
$9.99
SKU: 14746
$6.99
$9.99

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DC-DC 200W High Power Supply Module 6V-35V to 7V-55V Step UP Converter Boost Module with Case DC-DC 200W High Power Supply Module 6V-35V to 7V-55V Step UP Converter Boost Module with Case 1.Description:   It is a DC-DC 200W high power boost non-isolated power supply module.It supports adjust output voltage.It comes with an aluminum alloy casing for easy and convenient use.   2.Feature:   1&g... $5.59
$7.99
SKU: 14742
$5.59
$7.99

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Servo Motor Driver Module Robot Shield DC 5V-12V I2C Development Board for Raspberry Pi 3B+/3B Stepper Motor HAT Servo Motor Driver Module Robot Shield DC 5V-12V I2C Development Board for Raspberry Pi 3B+/3B Stepper Motor HAT 1.Description:   It is a full-featured robotic shiled that supports multiple servo motor/DC motor/stepper motor simultaneously.It can be multi-layer cascading to expand more control interfaces, especially suitable for players DI... $24.99 SKU: 14590
$24.99

1.3 inch SPI 240x240 RGB TFT LCD Display Module ST7789 Driver 240*240 3.3V 1.3 inch SPI 240x240 RGB TFT LCD Display Module ST7789 Driver 240*240 3.3V 1.Description:   It is a high-definition 1.3 inch TFT LCD liquid crystal display module.Its driver chip is ST7789 and SPI output.   2.Feature:   1>.TFT LCD display   2>.High Definition &n... $7.69
$10.99
SKU: 14588
$7.69
$10.99

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STM8L152K4 Development Board ARM STM8L Programmable MCU Controller STM8 System Board with Cable STM8L152K4 Development Board ARM STM8L Programmable MCU Controller STM8 System Board with Cable 1.Description:   It is a STM8L152K4 Development board. Built-in CH340 download chip and users can download the code directly.Open all pins, users can choose to use various interface resources according to their own needs. &n... $7.59 SKU: 14581
$7.59

XH-W1705 Adjustable Temperature Controller DC 12V NTC 10K Sensor -25-100℃ Switch Control XH-W1705 Adjustable Temperature Controller DC 12V NTC 10K Sensor -25-100℃ Switch Control Parameter:   1>.Model:XH-W1705   2>.Work voltage:DC 12V   3>.Temperature range:-26℃~100℃   4>.Precision:2℃   5>.Sensor:NTC 10K B3950   6>.Output type:Relay(Can not o... $5.59
$7.99
SKU: 14290
$5.59
$7.99

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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

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AC 85V-265V Cycle Timer Delay Module Dual Display 110V 220V 10A 2000W 999ms 999h Power-on Delay Timer AC 85V-265V Cycle Timer Delay Module Dual Display 110V 220V 10A 2000W 999ms 999h Power-on Delay Timer 1.Description:     It is a multifunction delay relay module. The screen display is very clear, easy to use, powerful.  It can be widely used at Smart home, Industrial control, Automatic irrigation, Indoor ventilation, ... $7.49
$9.99
SKU: 14284
$7.49
$9.99

26

IP67 Non-Contact Liquid Level Sensor High/Low Signal Output Waterproof Water Level Detector IP67 Non-Contact Liquid Level Sensor High/Low Signal Output Waterproof Water Level Detector 1.Description:     Intelligent non-contact liquid level sensor is for detecting whether there is liquid by water induction capacitor. When there is no liquid to approach the sensor, sensor will generate certain static capac... $4.89
$6.99
SKU: 14282
$4.89
$6.99

31

DIY Kit 3D Light Cube 8x8x8 RGB LED Cube Colorful Audio Spectrum Display DIY Kit 3D Light Cube 8x8x8 RGB LED Cube Colorful Audio Spectrum Display 1.Introduction:     This is a light cube DIY kit that you need to weld and assemble by yourself. The bottom plate comprises a circuit board and component parts. The 512 LED lights make up a stereo space. A variety of coo... $31.49
$44.99
SKU: 14090
$31.49
$44.99

31

DIY Kit Pentagram RGB LED Music Colorful Flashing Light Five-Pointed Star DIY Soldering Kits DIY Kit Pentagram RGB LED Music Colorful Flashing Light Five-Pointed Star DIY Soldering Kits Description This is a good soldering practice kit for school students and teens to learn welding skills. It is an entry-level Soldering kit that takes you into the world of enjoying soldering, may you fall in love with DIY S... $8.39
$11.99
SKU: 14089
$8.39
$11.99

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DIY Kit Electric Piano RGB LED Flashing Music Generator Creative DIY Soldering Project DIY Kit Electric Piano RGB LED Flashing Music Generator Creative DIY Soldering Project RGB LED Electric Piano DIY Kit 1.Introduction:     The scale of the circuit can produce different sounds, while different keys correspond to different scales. The play of the electronic organ is to use the finge... $5.00
$9.99
SKU: 14088
$5.00
$9.99

50

G1/4 Standard 304 Stainless Steel Liquid Level Electrode Boiler Boiling Water Level Sensor Probe Electrode Rod G1/4 Standard 304 Stainless Steel Liquid Level Electrode Boiler Boiling Water Level Sensor Probe Electrode Rod Description: High-quality Material: The water level electrode rod is made of standard 304 stainless steel, which is corrosion-resistant, not easy to rust, and has a long service life.   Stable Performance: The ... $4.75
$6.79
SKU: 14066
$4.75
$6.79

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WZP-187 PT100 K Type Stainless Steel Temperature Sensor Probe -200℃-400℃ Thermocouple w/1.5m Cable WZP-187 PT100 K Type Stainless Steel Temperature Sensor Probe -200℃-400℃ Thermocouple w/1.5m Cable Description:   1>.Model: WZP-187   2>.Sensor type: K type   3>.Measuring range: -200℃-400℃   4>.Length: 50mm   5>.Waterproof           ... $4.12
$5.89
SKU: 14065
$4.12
$5.89

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5 Meters PT100 Temperature Sensor Type-K Waterproof 0℃~800℃ Platinum Resister 5 Meters PT100 Temperature Sensor Type-K Waterproof 0℃~800℃ Platinum Resister Description:   1>.Sensor type: Type-K   2>.Measuring temperature: 0℃~800℃   3>.Inner hole: 5mm   4>.Sensor length:5 meters $4.19
$5.99
SKU: 14058
$4.19
$5.99

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2 Meters PT100 Temperature Sensor Waterproof 0℃-300℃ Platinum Resister 2 Meters PT100 Temperature Sensor Waterproof 0℃-300℃ Platinum Resister Description:   1>.Probe diameter:5mm   2>.Probe length:30mm   3>.Lead wire length:2 meters   4>.Lead wire: Teflon wire   5>.Temperature range: 0℃-300℃   6>.Accuracy ... $2.79
$3.99
SKU: 14057
$2.79
$3.99

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Type-K Thermocouple Temperature Sensor 1 Meters 600℃ Oven Temperature Detector Type-K Thermocouple Temperature Sensor 1 Meters 600℃ Oven Temperature Detector Description:   1>.Sensor Type: K type   2>.Measuring Temperature: 0-600℃   3>.Probe length: 200mm   4>.Probe diameter: 7mm   5>.Thread size: M12x1mm   6>.Probe material: stainle... $3.21
$4.59
SKU: 14053
$3.21
$4.59

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1 Meter Type-K Thermocouple Temperature Sensor -50℃~400℃ Liquid Temperature Probe 1 Meter Type-K Thermocouple Temperature Sensor -50℃~400℃ Liquid Temperature Probe Description:   1>.Temperature range: -50℃~400℃   2>.Protection tube diameter: 3mm   3>.Protection tube length: 100mm   4>.Measurable liquid, gas, non-measurable solid surface $3.21
$4.59
SKU: 14052
$3.21
$4.59

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TM-902C Digital LCD Thermometer Temperature Reader Meter Sensor K Type Probe TM-902C Digital LCD Thermometer Temperature Reader Meter Sensor K Type Probe K type digital LCD display. Low battery indication, overload protection, with power ON/OFF switch. Ideal for measuring temperature of air, liquid, semi-solid etc. Reads all standard Type K thermocouples. Description: Display:... $5.31
$7.59
SKU: 14051
$5.31
$7.59

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Lithium Battery Charging Board 5V 2A LCD Display Dual USB Output Charger Module DIY Charger Lithium Battery Charging Board 5V 2A LCD Display Dual USB Output Charger Module DIY Charger Parameter:   1>.Input charging voltage: DC 5V 1A   2>.Input battery voltage:DC 3.7V-4.2V Polymer Rechargeable Lithium Battery   4>.Output channel:2 Channel   5>.Output voltage:5V2.1A/5V1A ... $4.89
$6.99
SKU: 14045
$4.89
$6.99

31

PWM Dimming Motor Speed Controller, 8A Driver Module for Motor/Lamp, 1Hz-150KHz Dual Mode LCD PWM Pulse Frequency Duty Cycle Adjustable Module PWM Dimming Motor Speed Controller, 8A Driver Module for Motor/Lamp, 1Hz-150KHz Dual Mode LCD PWM Pulse Frequency Duty Cycle Adjustable Module 1.Description:   ZK-PP2K signal generator is a device that provides electrical signals at a variety of frequencies, square wave, pulse and output levels. It is used as a signal source or excitation source for testing. Widely used ... $6.29
$8.99
SKU: 13968
$6.29
$8.99

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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

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XH-A252 DC5 Digital Bluetooth-compatible Receiver Module Wireless Power Amplifier Board Lossless Voice Audio Module Support APE/FLAC/MP3/WAV XH-A252 DC5 Digital Bluetooth-compatible Receiver Module Wireless Power Amplifier Board Lossless Voice Audio Module Support APE/FLAC/MP3/WAV Description:   XH-A252 Bluetooth audio receiver for connecting amplifiers.   Support APE, FLAC, MP3, WAV, WMA and other music formats, the mainstream mainstream music format can be decoded.   Support unobstruct... $4.68
$6.69
SKU: 13899
$4.68
$6.69

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