View source for Arduino Single power control unit

== Why? ==
The Arduino Single power control unit was created for controlling a relay that is able to turn on/off the devices that it powers like the Yocto DUTs. Such need has arisen due to a clean power-off is not always reliable.

== The software part ==

== The hardware part ==

=== The circuit ===
In order to build a power cutter using a relay module, one must follow the circuit provided.

[[File:housemade_relay.png]]

==== the required hardware ====
* 1 BJT transistor 2N2222A
* 1 3.3 kOhms resistor
* 1 1N4007 diode
* 1 relay module (RAS-0510)
* 1 Protoboard or perforated PCB (min 4.5x4.5 cm)
* 1 Two positions terminal block
* 1 male outlet connector and 1 female outlet plug
* 14AWG Wire (as needed)