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DIY Bluetooth-Compatible Music Spectrum Speaker Kit, DIY Home Stereo Speaker, Sound Amplifier Kits with Remote Control 1.Introduction: SMD LED Spectrum Bluetooth Audio Speaker DIY Kit with remote control. Designed with 8*12 LED matrix music spectrum display in Yellow/Green/Red/Blue. It can play music form Bluetooth, TF Card, U-disk with 4ohm 2in sp... $21.69
~~$30.99~~ SKU: GY19288
$21.69
~~$30.99~~
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Human Body Induction Switch 3W-100W High Power AC 160V-250V Time Delay Infrared Sensor Description: It is a infrared human body sensor switch.The inductive switch works through the infrared detection function of the human body, and is generally installed indoors. Feature: 1.Its work delay time is lon... $5.80
~~$8.29~~ SKU: GY19158
$5.80
~~$8.29~~
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DAC Digital to Analog Audio Converter Coaxial Toslink to Analog Stereo L/R RCA 3.5mm Jack Audio Adapter with Optical Cable 96KHz Digital to Analog Audio Converter with Optical &Coaxial Cable Digital SPDIF Optical to Analog L/R RCA Converter Toslink Optical 3.5mm Jack DAC Converter for PS4 Xbox HDTV DVD Headphone 1.Introduction: 【Updat... $6.71
~~$9.59~~ SKU: GY19200
$6.71
~~$9.59~~
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MAX30102 Sensor Module 1.8V-5V Pulse Oximeter Heart Rate Detection Sensor Description: MAX30102 blood oxygen concentration sensor. An integrated pulse oximeter and heart rate monitor biosensor module. It uses an 18V power supply and an independent 50V power supply for internal LEDs, ... $3.49
~~$4.99~~ SKU: GY19182
$3.49
~~$4.99~~
31

Dual Channel Stereo Loudspeaker Delay Protection Board AC 12V-18V / DC 12V-25V 5A 1.Description: It is a two-channel stereo delay protection board. It can be safely supplied with the power amplifier board public power supply, and will not cause the noise floor to reduce the signal-to-noise ratio. Even the pow... $9.79
~~$13.99~~ SKU: GY19172
$9.79
~~$13.99~~
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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~~
(1 Feedback) 30

Radar Smart Sensor AC 180V-240V 50Hz/60Hz Infrared Human Body Switch Description: It is a radar sensor switch.It has a large sensing range,it will not be bright during the day,it will be on at night when people come,and it will go out when people go. Feature: 1.It can adjust all-day... $9.09
~~$12.99~~ SKU: GY19159
$9.09
~~$12.99~~
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Infrared Human Body Induction 5.8G Microwave Radar Module DC 2.2V-4.8V Ultra-Low Power Distance Detector 1.Description: This is an ultra-low power 5.8G microwave radar module with a working current of only 68uA. It combines the high performance of microwave induction and the ultra-high cost-effectiveness of infrared induction. It c... $3.91
~~$5.59~~ SKU: GY19155
$3.91
~~$5.59~~
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AH3-2 Time Relay DC 12V Adjustable Delay Control Timer 8Pin 1s-30s Description: It is a AH3-2 Time Relay.It mainly adjusts the time through the knob, and the delay accuracy is high. The smaller the time range,the more accurate the adjustment time. Feature: ... $7.69
~~$10.99~~ SKU: GY18963-1
$7.69
~~$10.99~~
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DIY Kit FM Radio Module Adjustable 76-108MHz Wireless Receiver LCD Display DC 3.7V 5W 8ohm Speaker FM Digital Radio DIY Kit FM Radio, Adjustable 76-108MHz Wireless Receiver with LCD Display (No Battery) (Please kindly noted: We ship order via airmail. The 18650 battery is not included due to shipping restrict here. Please prepare the battery... $19.25
~~$27.50~~ SKU: GY18971
$19.25
~~$27.50~~
(1 Feedback) 30

DC-DC Boost Power Supply Module DC 3V-35V to DC 3.5V-50V 6A 100W High Power Digital Display 1>.Description: It is a boost module.This board is a booster board, and the output voltage is greater than the input voltage.When the output voltage is less than 4V,the onboard voltmeter will not work. 2>.Feature: &n... $6.29
~~$8.99~~ SKU: GY19147
$6.29
~~$8.99~~
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DC24V-5V Isolated Step-Down Power Supply Module 5W 1A DC-DC Buck Converter 1.Description: DC-DC power module. It has an isolation transformer to isolate dangerous voltages and protect personal safety. It also uses photoelectric isolation, the input end and the output end are completely elect... $8.81
~~$12.59~~ SKU: GY19135
$8.81
~~$12.59~~
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DC 4.5V-5.5V 87.0MHz-108.0MHz Wireless FM Radio Receiver DIY Kit for Soldering Learning Teaching Part 1: Introduction It is an 87.0MHz-108.0MHz Wireless FM Radio Receiver DIY Kit. It has a built-in 4-Bit Red Digital Tube display screen which can clearly display the receiving frequency. Part 2: Feature 1.Automati... $15.39
~~$21.99~~ SKU: GY18972
$15.39
~~$21.99~~
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USB Voltage Current Meter DC 4V-30V 5.1A USB Charger Multi-Function Detector Voltmeter Ammeter Description: It is a Type-C detector. It can test current, voltage, capacity, power, temperature and timing parameters. Feature: It uses aluminum alloy joints,precision-made, effectively avoid oxidation and rust. It has a buil... $8.11
~~$11.59~~ SKU: GY19117
$8.11
~~$11.59~~
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DC-DC Step-Down Power Supply Module 8V-80V to 1.25V-20V Adjustable Voltage Convertor Description: It is a step-down vehicle power module. It can output the input voltage DC 8V-80V to DC 1.25V~20V,the input voltage needs to be higher than the output voltage,and boost is not supported. Feature: 1.Wid... $5.59
~~$7.99~~ SKU: GY19109
$5.59
~~$7.99~~
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Music Butterfly Shaped Light DIY Kit White Blue Red Flashing LED Lamp Soldering Kit 1.Introduction: This kit contains 57 ultra-bright white LED (nominal brightness 2000-3000mcd), 7 blue LED and 6 red LED arranged to form a butterfly-shaped pattern. The MCU chip is controlled by a miniature infrar... $6.29
~~$8.99~~ SKU: GY18958-2
$6.29
~~$8.99~~
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Music Butterfly Shaped Light DIY Kit White Blue Red Flashing LED Lamp Soldering Kit with Remote Control 1.Introduction: This kit contains 101 ultra-bright white LED (nominal brightness 2000-3000mcd), 7 blue LED and 8 red LED arranged to form a butterfly-shaped pattern. The MCU chip is controlled by a miniature infra... $8.39
~~$11.99~~ SKU: GY18958-1
$8.39
~~$11.99~~
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220V Raindrop Controller Relay Module Raindrop Sensor Module Leaf Surface Humidity Water Switch On Description: It is a 220V raindrop controller.It can be used to monitor various weather conditions,and directly output with a relay to control the startup and shutdown of motors. Feature: ... $8.39
~~$11.99~~ SKU: GY18957
$8.39
~~$11.99~~
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DC 3.3V 5V Raindrop Humidity Detection Sensor Module with 20cm 2P Dupont Line 1>.Description: It is a rain sensor module. It can be used for monitoring various weather conditions, and converted into a digital signal and AO output. 2>.Feature: 1.The sensor uses... $4.19
~~$5.99~~ SKU: GY18953
$4.19
~~$5.99~~
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Photosensitive Sensor Module Photosensitive Resistor Light Detection Light Control Switch Module 1>.Description: It is a photosensitive sensor module.It can be used for various light brightness detection,4-channel detection,and 4-channel simultaneous control. 2>.Feature: 1.It us... $6.99
~~$9.99~~ SKU: GY18947
$6.99
~~$9.99~~
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