Serial Communication between ESP2866-12 (NODE-MCU) and Arduino to increase the number of analog pins as my primary work.

A DAC is a circuit that allows you to translate numeric values into analog signals.

If you can't find a voltmeter at home or anywhere else, then this hack is for you!

This is a mostly printed 3D Printer very suitable for a hobbyist. It's an easy and cheap way to get into 3D printing.

Step by step approach is followed so that any hobbyist or design engineer can have a better understanding of the basic concepts.

A single Arduino Uno/Mega can carry up to 14 RS-232 boards. Each board is distinguished by ID, which is set via a DIP switch.

Easy way to control variables with one rotary encoder and OLED display.

This tester can be used for NiCd, NiMh, and all flavors of Li-Ion rechargeables.

An Arduino UNO Flash and RAM update with the ATmega2560 as DIL 28 variant.

Everyone needs a good scale in kitchen, what better than to build a high precision scale with the UNO?

Simple, easy to assemble, programming and use with block structure, Arduino-based soldering station.

In this project, you can measure typically up to 48V. It is recommended to use Arduino digital voltmeter as “0-48V DVM”.

Bridging the gap between professional and DIY/hobbyist bench power supply.

This project takes a simple RFID Reader and adds an LCD display to it.

This project aims to provide insight into the workings of a digital oscilloscope. This project is designed to be an education tool.

We implement RS-485 protocol in communication between two Arduinos using MAX485 module.

Why are even the modern day cars are not equipped with biometric entry system? Here is an attempt on a Toyota C-HR.

An Arduino interface to communicate with devices using the LANC (Control-L) protocol such as many Sony and Canon cameras/camcorders.

Connect your Arduino via WebUSB with an web application circuit simulator.

See how much battery you have left!

Teach ALL kids the fundamentals of AI and machine learning, through games and hardware and software design.

A simple method to power a servo on or off from the Arduino, using a NPN Darlington Transistor (TIP-120) and an Arduino.

Tinkercad is the largest community of 3D design enthusiasts of its kind! It is an online simulator on which projects can be made.

Measure the unknown resistor with a simple configuration!