This project is a Wiegand input device reader using an Arduino. It includes the Wiegand and WiegandData classes to facilitate the reading and processing of data from Wiegand protocol devices.

A low-level synthesizer developed for the ATmega328P (Arduino Uno R3) using the pure AVR toolchain. This project bypasses the standard Arduino abstraction layers, utilizing direct register ...

I’ve been using the Arduino Uno board for quite some time, and I’ve always wondered what it would take to get the ATmega328P (the original chip used on the older Uno boards) working completely on its ...

I’ve always appreciated simulation tools. Sure, there’s no substitute for actually building a circuit but it sure is handy if you can fix a lot of easy problems before you start soldering and making ...

Mass production is a wonderful thing. Prices fall, and hobby hackers get cheap gear. The mind then wanders towards what can be done with it. So it’s little wonder that someone like [Aaron Christophel] ...

The circuit was based on the use of Arduino AVR to build a high voltage programmer which can be used to fix pesky fuses. The circuit was based on the use of Arduino AVR to build a high voltage ...

Since you lacked the USB interface in your own Arduino board, it becomes necessary to use a homemade/ready-made USB to Serial Converter Module as an efficient and economical solution. Inexpensive and ...