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.

How to use the ArduiBox Open DIN rail enclosure set for Arduino Nano, UNO and Yun Rev 2.

Easily include oscilloscope and frequency counter diagnostics into your own project.

6-channel digital sampling oscilloscope with built-in frequency counter, maximum sampling rate 47kHz.

Analyze digital inputs on up to six channels using the ATmega328 (e.g. Arduino Uno / Nano / Ethernet / Mini).

An Arduino NTSC/PAL video display shield with integrated framebuffer and composite video output.

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

Make a Linux distribution that is focused on the development of Arduino and IoT. It's a Distro for Arduino.

This project can add two 3-digit binary numbers to turn into a 4-digit binary number. Math homework solved!

Bluetooth communication between Arduino and the PC using a small interface programmed in Processing.

Using an Arduino to toggle something like an LED light is simple in theory, but buttons don't always behave the way we think.

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

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

Fractal Mandelbrot with Arduino with serial output.

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

A model of neuronal functioning & synaptic modification allow replications of drives, behaviors, affects & learning (Operant Conditioning).

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

This PWM Learning Board helps students to understand the PWM concept. What is it and how it works.

I was looking for a way to program my Atmel ATTiny13 easily.

Use an Arduino board to control different gain coefficients from an operational amplifier.

Measure the unknown resistor with a simple configuration!

That's a two-module chronometer for your MTB (or any others sports) to measure your time in a determined circuit!

SwagProtocol is a header-only Arduino library that makes it super easy to add a JSON formatted communication protocol to your projects.

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