I was testing a couple of low-cost laser diodes that come from china and I was wondering why those diodes don’t have any protection/driver circuitry.

The post Adjustable Constant Current LASER Diode/LED driver appeared first on Electronics-Lab.com.

If you need to interface many devices and sensors to Arduino Nano, then, this project is for you.

The post Expansion Shield – Breakout Board for Arduino Nano appeared first on Electronics-Lab.com.

This project is built for fun loving users to create a 24 LED bar-graph for light effects that can be driven using Arduino or another microcontroller.

The post 24 LEDs Bargraph Display using 74HC595 Shift Register appeared first on Electronics-Lab.com.

This is a high-accuracy current sensor project built using ACS37002 IC from Allegro, which is a fully integrated Hall-effect current sensor with 0.85mOhms integrated conductor.

The post High Accuracy Current Sensor with 400Khz Bandwidth using ACS37002 appeared first on Electronics-Lab.com.

The module described here is a 6-channel capacitive touch sensor. The project is based on CAP1206 IC which contains six (6) individual capacitive touch sensor inputs with programmable sensitivity for use in touch sensor applications.

The post 6-Channel Capacitive Touch Sensor Module appeared first on Electronics-Lab.com.

This sensor board provides frequency output as per relative humidity value.

The post Humidity Sensor – Humidity to Frequency Output appeared first on Electronics-Lab.com.