Scanners for loose papers have become so commonplace that almost every printer includes one, but book scanners have remained frustratingly rare for non-librarians and archivists. [Brad Mattson] ...

You might think that a nuclear explosion is not something you need a detector for, but clearly not everyone agrees. [Bigcrimping] has not only built one, the BhangmeterV2, but he has its output pub… ...

Here is a design for a full-featured motor shield that will be able to power many simple to medium-complexity projects. 2 connections for 5V 'hobby' servos connected to the Arduino's high-resolution ...

Arduino Uno: Acts as the brain, reads IR sensor values, calculates PID, and adjusts motor speeds. L298N Motor Driver: Bridges low-power Arduino and high-current motors, enabling direction and speed ...