The transistor computer ... The design does rely on an Arduino for memory to simplify some things, and in the end it’s able to run a Hello, World! program and play a simple dinosaur game as ...

“Arduino Self-Timer ... If you wish to add an electromagnetic relay to switch off/switch on any external electric load, just use this output to drive the electro-magnetic relay with the help of a ...

This article describes the construction of a simple Arduino RFID Access control DIY (Do It Yourself ... and D13 is used to drive an Electro-Magnetic Relay through a transistor-based relay driver.

To interface with the Arduino Uno, you’ll need a custom shield that houses essential components such as relays, transistors, power supplies, and an operational amplifier. These components work ...