Zero - Arduino Try Out. From the circuit diagram of the module, it is clear that, apart from the module only a few external components are needed to build a relay-driver circuit. Yes, there is a ...

Olympia Circuits Teases Arduino Programmers With $60 Arno Shield by Ray Willington — Monday, April 29, 2013, 05:50 PM EDT Comments ...

Actuators and Sensors. The Arduino interacts with the world through actuators and sensors. ... As you can see from that sketch and the circuit diagram, the LED is connected to the digital pin 13 of ...