Note that, one of the five LEDs (D5) in the YL-70 module is the power supply indicator and the rest (D1 to D4) are signal indicators. Each signal LED illuminates as its corresponding channel output ...

Circuit Diagram for Pulse Sensor Module The circuit diagram of the Pulse sensor module is shown below. The first important part of this circuit is the 10uF filter capacitor followed by the Green LED ...

The XIAO Smart IR Mate is a compact circular-shaped IR remote hub/blaster built around the XIAO ESP32-C3 and designed for IoT ...

The hardware is consists of an Arduino microcontroller (here an Arduino Uno R3) and a pre-wired soil moisture sensor module. The soil moisture sensor module , built around the LM393 comparator, gives ...

The Pressure Sensor Module incorporates a material called Velostat with the Arduino. This material adds more resistance when more pressure is applied to the material. This module also uses the RGB LED ...

Posted in LED Hacks, Parts Tagged fail of the week, led, led sensor, light sensor ← Hackaday Links: April 11, 2021 High Current Measurement Probe For Oscilloscopes → ...

When you need to quantify the color of an object, you’ve got quite a few options. You can throw a Raspberry Pi camera and OpenCV at the problem and approach it through software, or you can bu… ...

1 State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan, China 2 Collaborative Innovation Center of Extreme Optics, Shanxi ...

TOKYO & NOVI, Mich. & DÜSSELDORF, Germany, April 29, 2025--AKM and SAL have successfully completed a joint proof of concept for integrating a current sensor into a power module.