Generates a completely random number utilizing an unused pin and the in-built random number generator.
Timer to set a custom time for developing of UV sensitive PCBs with built in safety feature.
Project showcase by dingo27 Mobile
The device is sufficiently accurate and uses minimum number of external components.
Project tutorial by Mirko Pavleski
Sketch of transistor tester project so it's much simpler to study, modify, verify and upload to an Arduino
Project showcase by SmartTronics
A cheap $10 UPDI programmer for Mircochip's new avrTiny processors.
Project tutorial by John Bradnam
Android app to control Arduino's inputs outputs
Project tutorial by moty
Use the latest ATtiny processors in the Arduino Environment. These have the memory capacity of ATmega chips in smaller and cheaper packages.
by John Bradnam
Android app of frequency counter using Arduino.
Measure and record mains frequency on the SD card along with the timestamp.
Project tutorial by Neeraj Rane
Oscilloscope for Android device and Arduino.
Control 256 relays! Seeing is believing!
A useful tool for accurately measuring long distances.
Need to control hundreds of relays with your Arduino, ESP8266, Pi, PC or Mac and activate them simultaneously within < 1 ms time window?
Project tutorial by Christian
Shows to visually impaired or ignoring the resistors colour code, lazy techs etc..., either the exact value or value in E12 or E24 series
Project in progress by rafu
Writing only Arduino code, it is easy to set up control over experiments and display results on your PC's panel application.
An arduiNOOB friendly tutorial for beginners on daisy-chaining.
Project tutorial by HeathenHacks
A quick and compact Arduino Nano setup with four DIP switches to allow for mode selection. Power is provided by CR2032 battery package.
Project tutorial by Jeremy S. Cook
Probably the most useful Arduino project I've ever made! A automatic tester for a product I sell.
Project tutorial by Brian Lough
Use the IO Expander and Relay Expander with the Arduino to control up to 65,280 relays!
In this tutorial, I am going to talk about the PCF8574 8-bit GPIO port extender.
Make a cheap variable power supply using the buck converter.
Project showcase by Neeraj Rane
Make a Linux distribution that is focused on the development of Arduino and IoT. It's a Distro for Arduino.
Project showcase by CESARMASSARI
A study for a linear measuring device with Arduino and photoelectric rotary encoder.
Project tutorial by fmarzocca
In this project, I am going to make a LAN cable tester with just a few basic electronics components. It cost me just a bit over $3.
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