Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Windows C++ library to interface with an Arduino via USB This library allows Windows C++ programers to interface with COM ports in a way extremely similar to how Arduino's interface with UART ports.

You can refer to program flow chart blow The H2_Signal and Ethanol_signal,Both signals can be used to calculate gas concentrations c relative to a reference concentration cref by ln (C/Cref)= ...

Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...