His test circuit uses six 2N2222 transistors to protect the Arduino from excessive current. You can see six red LEDs above which are inline with the base of teach transistor.

Maker, developers and hobbyists that enjoy building Arduino platform based projects might be interested in a new Arduino Motor Shield called the Arc controller which has been created by Arc Robotics.

Conclusion and Call to Action The High Power H-Bridge Motor Shield for Arduino is a highly versatile and powerful tool that can significantly enhance your Arduino projects.

A teacher I know is stuck, with only npn transistors in the supply cupboard and the need to create a reversible motor drive for an Arduino project. Reversing ‘bridges’ have four switches (relay ...

This article describes the construction of a simple Arduino RFID Access control DIY (Do It Yourself) Project using Arduino UNO and a RFID reader module (EM-18) to control an LED and a Relay. Circuit ...

This library includes dozens of Arduino sketch examples,” according to its maker, New York-based Teknic. For a more comprehensive programming environment, there is a C++ library which includes example ...

[Gilad] tipped us about his latest project, where he adds plenty of pneumatics and electronics into his wife’s car to remote control it. The brake/throttle pedals are actuated by pistons cont… ...