Max out the digital I/O on the Arduino Uno Rev3!
Project tutorial by ejshea
How to use a PCF8574 as a port expander (4I/4O) polling of the buttons without interrupt.
Makes your Arduino project into a neat, DIN-rail compatible device.
Project showcase by Ed Caceres
Making an IoT project, but tired of stalled web and server-access times. This WDT serves hardware and software reliability you looking for.
A simple yet effective demonstrator of a gear pump endorsed with Arduino Nano + MPU6050 accelerometer to measure vibrations.
Project showcase by Team FRBB-MECHELEC
Fractal Mandelbrot with Arduino with serial output.
Project showcase by picass01
How to interface a 220V load with the Arduino in safety mode.
LOccam is a light implementation of OCCAM intended for Arduino. It is ideally suited for multitasking, especially for beginners.
Using a BPI NB-IoT development board together with Arduino.
by banana pi
Proof of concept aimed to "unlock" an RTC, an EEPROM and a few other things.
Show simple way to generate high voltages with Arduino and an example (flash-tube) how to use it
I wanted to make an electronics learning kit suitable for ages 12 and above. Nothing fancy like Elenco's kits but It can be done at home.
Project tutorial by Ahmed Mo'nis
In this tutorial we show some techniques to avoid warping.
Project tutorial by kengdahl
Calculating Pi number by using John Wallis series!!
by Mahdi Hajebi
A symmetric power source for audio amplifiers controlled by the Arduino's PWM with max output +-30v 10A.
Project showcase by Joao_Claro
Demo of I2C serial coms between the PSoC Analog Coprocessor Pioneer Kit as master and an Arduino UNO as slave.
by Steven Bell
This is used as a clock accuracy check by triggering the minute or hour hands.
Project showcase by Team Bobby
RF hash is not a meal at the greasy spoon but can be a great diagnostic tool for your Arduino or digital project.
Project tutorial by Ray Burnette
Basic and useful 4x4 T9 keypad, to text message.
by vicente zavala
Datasheets are instruction manuals for electronic components. They explain exactly what a component does and how to use it.
A latch circuit allowing the Arduino to power-on by pushing a momentary button and then decide when to power-off by code.
Project tutorial by Diego Contreras Ocampo
Tips and tricks for using your Materia.
A simple but robust protocol to send messages (from php, master) and get responses from Arduino via USB. CRC8 and retry in case of error.
Project tutorial by msillano
The ATmega8U2 chip on your Arduino board acts as a bridge between the computer's USB port and the main processor's serial port.
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