The circuit shown here is a frequency-to-voltage converter that can be used in many applications.

The post Frequency To Voltage Converter (Tachometer) – Variable Reluctance Magnetic Pickup to Voltage Converter appeared first on Electronics-Lab.com.

Optically Isolated Analog Input Module for Arduino

The post Optically Isolated Analog Input Module for Arduino appeared first on Electronics-Lab.com.

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.