Circuit Digest

Arduino DC Motor Speed Control using GSM

As a result, remote control technologies are being widely adopted across various sectors. Among the many components used in ...
Circuit Digest

Build a Simple Optocoupler Tester Circuit for Fault Detection

An optocoupler tester is a small device that helps verify whether an optocoupler is functioning properly or has failed. In labs and repair work, optocouplers often fail without clear signs. They may ...
Taste The Code on MSN

Adjust 1602 LCD contrast easily with Arduino simple Arduino tutorial

In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...
Taste The Code on MSN

Real-time event notifications with NodeMCU Arduino tutorial

In this video I've created a device that can notify in real time about events that happen on a website. The project uses NodeMCU board and a buzzer to produce sound as alert. The board is programmed ...