Use the IO Expander and Relay Expander with the Arduino to control up to 65,280 relays!
Project tutorial by Christian
This project will show you how to transmit variables to control a servo motor.
If you've ever wanted to connect devices with just 3 pins, this is the perfect project for you!
Project showcase by Sherwin Chiu
This project can add two 3-digit binary numbers to turn into a 4-digit binary number. Math homework solved!
Project showcase by 22warehamD
Measure rotation speed (RPM) with Optocoupler and Encoder disk and Arduino - Quick and Easy!
by Boian Mitov
On this simple tutorial, we will explore how to discover colors using an Arduino and the TCS 3200 sensor, displaying it on an LCD.
Project tutorial by MJRoBot
nRF24L01 radio transceiver provides very efficient and inexpensive way to establish communication between microcontrollers.
by Robin Kanattu Thomas
Program Arduino boards without using traditional USB cables.
Project tutorial by Shubham Shinganapure
I really want to make a Raspberry Pi laptop but just can't find the right size trackpad so in this project we will be salvaging an old one.
Project tutorial by Dante Roumega
Learn how to use the Arduino Desktop IDE at its best and install it on your PC!
See how much battery you have left!
Project showcase by Arduino_Genuino
As ESP8266 works on 3.3V and not 5v, it is important to perform this task.
by Patel Darshil
Did you ever wonder what happens between the time you click on "Upload" and your sketch starts running? Here's how you can find out...
How long have we been pressing this button? (Interruptions and EEPROM)
Project tutorial by javier muñoz sáez
What? Program an Arduino from your Raspberry Pi? It's possible, and super easy!
by Zachary Haslam
In this tutorial, I am going to show you how to build a voltmeter with a big Nokia 5110 LCD display using Arduino.
Project tutorial by Nick Koumaris
Improved serial debugging, with debug levels and simple software debugger, to see/change global variables, add watch, or call a function.
Project tutorial by JoaoLopesF
Control your Commodore C-64, reset C64, select Kernal, BASIC and Charset ROM, SD2IEC device#, info display.
Project tutorial by Oe7Twj
DIY Modbus slave with Arduino UNO and RS485 Shield.
Project tutorial by hwhardsoft
In this tutorial we'll try to analyze how alarm systems signals might be sniffed and cloned using a cheap Arduino and some RF modules.
Project tutorial by danionescu
Integrate Blockly@rduino in IDE like a tool, compile and upload through Arduino IDE, totally graphic way.
7 awesome cases for 7 different circuito.io-supported components. It's 3D time!
Project in progress by circuito.io team
Create an IOT dashboard using Arduino & Raspberry Pi.
Project tutorial by David Escobar
This project helps you to send strings from computer to your Arduino via serial port.
by Phuong Vo
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