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DIY Kit Sound Light Controller LED Delay Light Voice Controlled Melody Light Audio Indicator DIY Kit Sound Light Controller LED Delay Light Voice Controlled Melody Light Audio Indicator 1.Introduction:     SCL-8 is a sound light controller. Its LEDs can be controlled by sound and photoresistor sensor and switch control status by self-locking switch.      2.Parameter: &nb... $3.99 SKU: GY17435
$3.99

DIY Kit RGB LED Pentagram Flashing Light WAV Music Player Colorful Five-Pointed Star Soldering Practice Kit DIY Kit RGB LED Pentagram Flashing Light WAV Music Player Colorful Five-Pointed Star Soldering Practice Kit 1.Introduction:     It is a RGB LED pentagram DIY kit that you need to weld and assemble by yourself. The bottom plate comprises a circuit board and component parts. A variety of cool model showing a three-dimensional effec... $7.91
$10.99
SKU: GY17434
$7.91
$10.99

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24W High Power White LED Light Board 300mA 72V 24pcs LEDs Aluminum Plate Brightness 2640LM-2880LM 24W High Power White LED Light Board 300mA 72V 24pcs LEDs Aluminum Plate Brightness 2640LM-2880LM 1.Description:   It is a white 24W high power LED light board.It can be used for traffic lighting and interior lighting. 2.Feature:   1>.High light effect   2>.High color rendering   3>.No splash... $5.75
$7.99
SKU: GY17501
$5.75
$7.99

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ZB2L3-L Battery Capacity Tester Ah for CR2032 Battery Capacity Display Module 9999mAh ZB2L3-L Battery Capacity Tester Ah for CR2032 Battery Capacity Display Module 9999mAh 1.Description:   It is a battery capacity display module.It can be used to measure the voltage of a battery.   2.Feature:   1>.Digital display   2>.High precisio   3>.Special batt... $6.47
$8.99
SKU: GY17496
$6.47
$8.99

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Battery Test Stand 10A Battery Holder for 18650 AA AAA CR2025 Battery Battery Test Stand 10A Battery Holder for 18650 AA AAA CR2025 Battery 1.Description:   It is a battery test stand. It can be used for 18650/AA/AAA/CR2025 Battery.   2.Feature:   1>.Using terminal blocks   2>.Can be used with a variety of batteries   3&... $9.06
$12.59
SKU: GY17495
$9.06
$12.59

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ZB2L3 Battery Capacity Tester Ah for 18650 Battery Capacity Display Module 9999mAh for 1.2V-12V Battery ZB2L3 Battery Capacity Tester Ah for 18650 Battery Capacity Display Module 9999mAh for 1.2V-12V Battery 1.Description:   It is a battery capacity display module.It can be used to measure the voltage of a battery.   2.Feature:   1>.Digital display   2>.High-strength power interface   3&... $7.19
$9.99
SKU: GY17494
$7.19
$9.99

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DC 12V 3Bit PWM 4-Wire Fan Temperature Controller 3A Speed Governor for PC Fan/Alarm DC 12V 3Bit PWM 4-Wire Fan Temperature Controller 3A Speed Governor for PC Fan/Alarm 1.Description:   It is a PWM 4-Wire fan temperature controller. It has three PWM outputs, each of which can manually adjust the output ratio.   2.Feature:   1>.Three PWM outputs   2>.Three-wa... $5.25
$7.29
SKU: GY17492
$5.25
$7.29

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Battery Capacity Tester Ah for 18650 Lithium Battery Lead-acid Battery Voltage Current Indicator Display Module Battery Capacity Tester Ah for 18650 Lithium Battery Lead-acid Battery Voltage Current Indicator Display Module 1.Description:   It is a battery capacity tester. It can test the battery capacity,voltage,and current of 18650 lithium battery lead acid. 2.Feature:   1>.Digital display   2>.High precision ... $5.03
$6.99
SKU: GY17489
$5.03
$6.99

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DC-DC 12V to 5V 70mA Step Down Isolated Power Supply Module 10-Channel Buck Converter with 10pcs XH2.54-2P 30cm Wire DC-DC 12V to 5V 70mA Step Down Isolated Power Supply Module 10-Channel Buck Converter with 10pcs XH2.54-2P 30cm Wire 1.Description:   It is a step down power supply module. It can test all single cells in a 5 string battery without plugging in 5 power supplies.   2.Feature:   1>.Supports multiple battery measurements ... $9.78
$13.59
SKU: GY17487
$9.78
$13.59

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DC 12V Water Level Detection Sensor Module Liquid Level Controller For Pond Tank Warter Level Detection DC 12V Water Level Detection Sensor Module Liquid Level Controller For Pond Tank Warter Level Detection 1.Description:   It is a Water Level Detection Sensor Module.This product is based on detecting the water level of the pool(water tower) to control the high current relay to achieve the control.It can stably realize that the poo... $5.03
$6.99
SKU: GY17485
$5.03
$6.99

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DC 12V 24V Voice Playback Module DY-HV20T High Power Digital Amplifier Module TF Card Socket Mono 20W 8ohm MP3 WAV UART Controller for Arduino DC 12V 24V Voice Playback Module DY-HV20T High Power Digital Amplifier Module TF Card Socket Mono 20W 8ohm MP3 WAV UART Controller for Arduino 1.Description:     DY-HV20T 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 20W Cla... $5.03
$6.99
SKU: GY17437
$5.03
$6.99

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USB Downloader Bootloader for NRF5182 NRF51422 Wireless Bluetooth Module USB Downloader Bootloader for NRF5182 NRF51422 Wireless Bluetooth Module 1.Description:   It is a downloader.It is mainly used to download code for nRF51 chip.   2.Feature:   1>.Portable design   2>.SWD SWCLK GND VCC four-wire interface   3>.Short-circ... $7.62
$10.59
SKU: GY17354
$7.62
$10.59

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Low Power Consumption Synchronization Timer Output Alarm Delay Relay Module Scheduled Start Low Power Consumption Synchronization Timer Output Alarm Delay Relay Module Scheduled Start 1.Decription:   Timer3-RU is a programmable timer module with USB and high precision clock chip.   2.Feature:   1>.TmTimer3-RU has a built-in high-speed CPU and high-precision clock chip.   2>... $8.19 SKU: GY17347
$8.19

Low Power Consumption Synchronization Timer Output Alarm Delay Module Low Power Consumption Synchronization Timer Output Alarm Delay Module 1.Description:   TmTimer3 is a low power consumption synchronization timer output alarm delay module. TmTimer3 has a built-in CPU and high-precision clock core.It has timing and delay functions.   2.Feature: &nb... $7.79 SKU: GY17346
$7.79

nRF51822 Wireless Bluetooth Module BLE4.0 Transceiver Module nRF51822 Wireless Bluetooth Module BLE4.0 Transceiver Module 1.Description:   It is a wireless bluetooth module.It can connect mobile phones to play music.   2.Feature:   1>.Small size   2>.Strong signal   3>.High-frequency performance ... $4.31
$5.99
SKU: GY17341
$4.31
$5.99

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TDA7297 15W+15W Dual Channel Audio Amplifier Board TDA7297 15W+15W Dual Channel Audio Amplifier Board Description: PCB Size: 4.8cmx4.8cm; Voltage: DC 9-15V, AC 9-12V, recommended DC voltage 12V, current 2A above; Power: 15W +15 W; Output Impedance: 4-8 ohm   Note: If you like to assemble it by yourself, we al... $5.25
$7.29
SKU: GY17317
$5.25
$7.29

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Wireless Bluetooth Digital Power Amplifier Board PAM8403 Class D 3W+3W Stereo Voice Player w/ 18650 Battery Socket Wireless Bluetooth Digital Power Amplifier Board PAM8403 Class D 3W+3W Stereo Voice Player w/ 18650 Battery Socket 1.Description:   XH-A153 is a Low Power Wireless Bluetooth Digital Power Amplifier Moard.It can connect Bluetooth or insert TF card to play music.The product has a battery holder, which can be installed to charge the battery. ... $5.03
$6.99
SKU: GY17281
$5.03
$6.99

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12V 25W PI Polyimide Flexible Adhesive Heater 100x100mm Polyimide Heating Film 12V 25W PI Polyimide Flexible Adhesive Heater 100x100mm Polyimide Heating Film 1.Description:   It is a polyimide heating film.It is made of polyimide film as outer insulator, metal foil and wire as inner conductive heating element,and heat-sealed by high temperature and high pressure.It has excellent insu... $5.99 SKU: GY17205
$5.99

24V 50W PI Polyimide Flexible Adhesive Heater 95x135mm Polyimide Heating Film 24V 50W PI Polyimide Flexible Adhesive Heater 95x135mm Polyimide Heating Film 1.Description:   It is a polyimide heating film. It is made of polyimide film as outer insulator, metal foil and wire as inner conductive heating element, and heat-sealed by high temperature and high pressure. It has excellent i... $4.17
$5.79
SKU: GY17204
$4.17
$5.79

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AC 220V 150W Glass Fiber Heating Belt 2mx25mm Smart Temperature Heater AC 220V 150W Glass Fiber Heating Belt 2mx25mm Smart Temperature Heater 1.Description:   It is a glass fiber electric heating belt.It is suitable for heating and heat preservation of tanks, tubes,tanks and other containers of various industrial equipment.   2.Feature:   1>.G... $6.18
$8.59
SKU: GY17202
$6.18
$8.59

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1.5inch 128x128 SPI RGB OLED Display Screen Module 65K SSD1351 Driver 128*128 3.3V Power 1.5inch 128x128 SPI RGB OLED Display Screen Module 65K SSD1351 Driver 128*128 3.3V Power 1.Description:   It is a 1.5 inch OLED display screen module.It is a color display that can adjust the brightness.   2.Feature:   1>.RGB display   2>.Adjust brightness   3>.Full v... $16.59 SKU: GY17199
$16.59

DC 5V 12V 24V Trigger Counter Module MOS Delay Circuit Switch Timer 32-Function DC 5V 12V 24V Trigger Counter Module MOS Delay Circuit Switch Timer 32-Function 1.Description:   It is a delay MOS tube module.It can be used to control motors,LED strips,DC motors,miniature water pumps,solenoid valves,etc.   2.Feature:   1>.Digital dispiay   2>.No noise... $5.99 SKU: GY17192
$5.99

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 once.... $4.02
$5.59
SKU: GY17114
$4.02
$5.59

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DC 12V 24V PIR Human Body Infrared Sensor Module 30s Delay Switch 20W Light Control DC 12V 24V PIR Human Body Infrared Sensor Module 30s Delay Switch 20W Light Control 1.Description:   YX-458 is a infrared human body sensing module.It can detect changes in the infrared spectrum of human temperature through sensors.When people enter the sensing range,the lights are ON, people leave, and the lig... $3.59
$4.99
SKU: GY17112
$3.59
$4.99

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DC 5V 4 Channel Wireless WIFI Transceiver Module IoT Remote Controller 4Bit Switch Module APP Transceiver for eWeLink DC 5V 4 Channel Wireless WIFI Transceiver Module IoT Remote Controller 4Bit Switch Module APP Transceiver for eWeLink 1.Description:   LC-EWL-B04-MB 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... $4.31
$5.99
SKU: GY17105
$4.31
$5.99

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DC 5V 8V-80V ESP8266 Wireless WIFI Relay Controller Module ESP-12F for IOT Smart Home APP DC 5V 8V-80V ESP8266 Wireless WIFI Relay Controller Module ESP-12F for IOT Smart Home APP 1.Description:   LC-Relay-ESP12-1R-D8 single way relay development board carry on ESP-12F WiFi module I/O port is fully extracted, support DC8-80V/USB 5V and other power supply methods. Supply Arduino development environment ref... $5.03
$6.99
SKU: GY17104
$5.03
$6.99

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Infrared Transceiver ESP8285 Wireless Transceiver Module WIFI Remote Control Switch Development Learning Board Infrared Transceiver ESP8285 Wireless Transceiver Module WIFI Remote Control Switch Development Learning Board 1.Description:   It is a Infrared ESP8285 Wireless WIFI Transceiver Module.The esp-01m module with ESP8285 as the core be used as the master control, the program is the same as ESP8266. The module is equipped with an infrared re... $4.31
$5.99
SKU: GY17103
$4.31
$5.99

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ESP8266 0.96 Inch OLED Display Module RTC ESP-12F Wireless WIFI Transceiver Module Weather Clock Display ESP8266 0.96 Inch OLED Display Module RTC ESP-12F Wireless WIFI Transceiver Module Weather Clock Display 1.Description:   It is a RTC Weather ESP8266 0.96inch OLED Display Module. It can display current time and weather on OLED display screen.   2.Feature:   1>.Built-in ESP-12F WIFI Module   2>.... $7.19
$9.99
SKU: GY17102
$7.19
$9.99

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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... $5.75
$7.99
SKU: GY17101
$5.75
$7.99

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GFSK Wireless Bluetooth RF Transceiver Module DC 3.3V CC2541 BLE4.0 UART 2.4GHz ISM Low Power Consumption GFSK Wireless Bluetooth RF Transceiver Module DC 3.3V CC2541 BLE4.0 UART 2.4GHz ISM Low Power Consumption 1.Description:   DX-BT05-A is a bluetooth 4.0 serial port module.It can be used for data transmission. 2.Feature:   1>.Support GPIO input and output   2>.Low power consumption   3>.Small and conv... $4.02
$5.59
SKU: GY16944
$4.02
$5.59

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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 prec... $7.99 SKU: GY16938
$7.99

DC 3V-3.6V Wireless Bluetooth RF Transceiver Module DX-BT04-B BLE2.0 UART 4dBm 2.4GHz DC 3V-3.6V Wireless Bluetooth RF Transceiver Module DX-BT04-B BLE2.0 UART 4dBm 2.4GHz DX-BT04-B Wireless Bluetooth RF Transceiver Module 1.Description   DX-BT04-B is a bluetooth 2.0 module.It can be connected to a computer to transfer data. 2.Feature:   1>.Data transfer via UART   2>.Co... $4.02
$5.59
SKU: GY16931
$4.02
$5.59

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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... $9.78
$13.59
SKU: GY16930
$9.78
$13.59

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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... $9.21
$12.79
SKU: GY16928
$9.21
$12.79

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4-Channel USB LED Digital Display Buck Converter 4USB DC-DC Step Down Power Supply Module 5V 5A 4-Channel USB LED Digital Display Buck Converter 4USB DC-DC Step Down Power Supply Module 5V 5A 1.Description:   It is a digital display buck module.The product has a built-in power converter.It can be used in mobile power,mobile phones,tablets and recorders. 2.Feature:   1>.Digital dispiay   2>.Anti... $7.77
$10.79
SKU: GY16927
$7.77
$10.79

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MNI Digital Power Amplifier Board PAM8403 Class D 5W+5W Stereo Voice Player w/ 18650 Battery Socket MNI Digital Power Amplifier Board PAM8403 Class D 5W+5W Stereo Voice Player w/ 18650 Battery Socket 1.Description:   XH-A152 is a low power digital power amplifier board.It can insert TF card to play music.The product has a battery holder, which can be installed to charge the battery.   2.Feature:   1>... $3.59
$4.99
SKU: GY16866
$3.59
$4.99

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Digital Display Battery Charge Controller Discharging Protector 99.9V for Lead-acid or Lithium Battery Digital Display Battery Charge Controller Discharging Protector 99.9V for Lead-acid or Lithium Battery 1.Description:   It is a multifunctional battery charging/discharging controller.It is a digital display charging control board.It has overvoltage and undervoltage protection boards.It can be used for battery charging module. ... $4.96
$6.89
SKU: GY16861
$4.96
$6.89

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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 &... $5.46
$7.59
SKU: GY16859
$5.46
$7.59

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AC 110V-220V Temperature Hmidity Controller Sensor Module for Cooling Heating Device AC 110V-220V Temperature Hmidity Controller Sensor Module for Cooling Heating Device 1.Description:   XH-M453 is a temperature and humidity controller.Adopting single-chip microcomputer control system, integrated temperature sensor and imported integrated sensor, more accurate temperature and humidity measuremen... $5.03
$6.99
SKU: GY16853
$5.03
$6.99

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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 &... $3.95
$5.49
SKU: GY16851
$3.95
$5.49

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