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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

20g-6kg Resistive Film Pressure Sensor 18mm Flexible Force Sensitive Resistor for Robot Wearable Device Description: 1>.Type:PR-C18.3-ST 2>.Sensing area diameter:18mm 3>.Measuring range:20g-6kg Use manual: Place the round side of the gasket over the sensor.In the center of the sensing a... $3.49
~~$4.99~~ SKU: 13670
$3.49
~~$4.99~~
31

DC 5V 1-Channel Infrared Receiver Board Module Remote Controller Singal Channel Infrared Learning Module Self-locking/Inching/Interlocking Module Module introduction: 1>.Working voltage: 4.5-5.5V VCC: Connected to the positive pole of the power supply GND: Connected to the negative pole of the power supply 2>.Working current: about 75mA (relay pull-in state) 3>... $4.19
~~$5.99~~ SKU: 13667
$4.19
~~$5.99~~
31

5kg-50kg Resistive Film Pressure Sensor 10mm Flexible Force Sensitive Resistor for Robot Wearable Device Description: 1>.Type:IMS-C10A 2>.Sensing area diameter:10mm 3>.Measuring range:5Kg~50Kg Use manual: Place the round side of the gasket over the sensor. In the center of the sensing ar... $3.98
~~$5.69~~ SKU: 13658
$3.98
~~$5.69~~
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DC 3V-5V 1-Channel Infrared Receiver Board Module Remote Controller Support Self-locking/Inching/Interlocking Mode Module introduction: 1>.Operating voltage: 3.5-5V VCC: Connected to the positive pole of the power supply GND: Connected to the negative pole of the power supply 2>.Working current: about 5mA (relay pull-in state) 3>... $2.79
~~$3.99~~ SKU: 13653
$2.79
~~$3.99~~
30

DC 4-28V Red+Blue Fahrenheit Dual Display Digital Thermometer with 2 NTC Waterproof Metal Probes Temperature Sensor 1.Description: Sensing the ambient temperature with two NTC temperature sensors and displaying it on the display in Fahrenheit. It can display two different temperatures. 2.Features: 1&g... $8.11
~~$11.59~~ SKU: 13649
$8.11
~~$11.59~~
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ZigBee CC2530+CC2591+PA Wireless Transceiver 2.4GHz 2.4G UART Transparent Transmission Module Distance 1.6km IoT Smart Home Device GB2530-HUFL Description: The CC2530 is a true system-on-chip (SoC) solution for IEEE 802.15.4, Zigbee and RF4CE applications. It enables robust network nodes to be built with very low total bill-of-material costs. The CC... $6.29
~~$8.99~~ SKU: 13631
$6.29
~~$8.99~~
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Bluetooth Audio Transmitter Module Board GFSK Wireless Transceiver 1.Introduction: KCX_BT_EMITTER module is a Bluetooth audio transmitter module that integrates computer USB sound card to Bluetooth transmission and line audio input and launch. It adopts Bluetooth 4.1 technology to greatly ensur... $4.19
~~$5.99~~ SKU: 13627
$4.19
~~$5.99~~
31

LM2903 Hysteresis Voltage Comparator Signal Stabilizer Optocoupler Isolated Output 3-5MA Description: The LM2903 chip is a core hysteresis voltage comparator control module. Based on the original hysteresis module, the power supply filter and one optocoupler isolation output port are added, which is more suitable fo... $5.59
~~$7.99~~ SKU: 13620
$5.59
~~$7.99~~
31

DIY Kit Music Circuit LED Flashing Module Electronic Components Soldering Practice Kits Description: The 14-level binary counter CD4060 with internal oscillation circuit is used as the control panel to control the 12 red, yellow and green LEDs to blink. The adjustment of R3 can change the blinking of the L... $2.51
~~$3.59~~ SKU: 13613
$2.51
~~$3.59~~
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DIY Kit SMD Infrared Distance Sensor Indicator Soldering Practice Kits Description: The infrared reversing radar is composed of a multi-resonant circuit, an infrared signal transmitting and receiving circuit, an infrared signal amplifying and a voltage comparison circuit. It has the char... $2.79
~~$3.99~~ SKU: 13612
$2.79
~~$3.99~~
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DIY Kit LM358 Breathing Light Adjustable DC 12V Electronic Components Soldering Practice Kits Description: The light changes from bright to dark, and then gradually changes from dark to bright, feeling like a person is breathing. Widely used in digital products, computers, audio, automotive and other fields, has played... $1.39
~~$1.99~~ SKU: 13611
$1.39
~~$1.99~~
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DIY Kit RGB LED Flashing Controller SMD Component Welding Practice Electronic Suite Description: In order to improve the welding skill level of electronic professional students and electronic enthusiasts, the full patch design, welding quality can be visually displayed through the lighting of 15 LEDs. ... $2.63
~~$3.75~~ SKU: 13606
$2.63
~~$3.75~~
30

DIY Kit Brightness Light Detector Dark Alarm Photosensitive Sensor Kit Electronic Soldering Practice Kits Description: This circuit is used to detect ambient light and emit sound and light alarm when the light is bright. Supply voltage: DC3-5V Principle: RP... $2.09
~~$2.99~~ SKU: 13603
$2.09
~~$2.99~~
31

DIY Kit NE555 Trigger Circuit Electronic Components Assmbly for Soldering Practice $2.09
~~$2.99~~ SKU: 13601
$2.09
~~$2.99~~
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4S 3.2V Lithium Iron Phosphate Battery 12.8V 100A Charging Protector Balanced Function Board Parameters: 1>.Overcharge protection voltage:3.75V+/-0.025V 2>.Overcharge release voltage:3.55V+/-0.05V 3>.Overcharge protection delay:1S+/-200mS 4>.Over-discharge protection voltage:2.0V+/-0.05V 5>.Ove... $7.69
~~$10.99~~ SKU: 13593
$7.69
~~$10.99~~
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5S 3.7V Polymer Lithium-Ion Battery 18.5V 50A Charging Protector Balanced Function Board Parameters: 1>.Overcharge protection voltage:4.25V+/-0.025V 2>.Overcharge release voltage:4.15V+/-0.05V 3>.Overcharge protection delay:1S+/-200mS 4>.Over-discharge protection voltage:2.7V+/-0.05V 5>.Ove... $6.99
~~$9.99~~ SKU: 13590
$6.99
~~$9.99~~
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RFID Wireless Module 125KHz ID Card Reader Wiegand-26Bit Contactless Controller w/Antenna Parameters: 1>.Input voltage: DC 3V-5V 2>.Work current: 25mA 3>.Working frequency: 125KHz 4>.Suitable type:EM4001/4102 or compatible card 6>.Read distance:<7cm 7>.Working Temperature range:-20... $4.19
~~$5.99~~ SKU: 13584
$4.19
~~$5.99~~
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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~~
30

AC/DC 12V Liquid Level Controller Sensor Module Water Level Detection Sensor Description: It is an automatic level controller.It can control the working of the equipment by testing the liquid level. Parameters: 1>.Item Name: Automatic level controller 2>.Model:SFT-SK09 3... $3.91
~~$5.59~~ SKU: 13560
$3.91
~~$5.59~~
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