Simple tweak for breadboard power modules
![](https://www.pa3hcm.nl/wp-content/uploads/2019/08/breadboard-power-module-1-768x576.jpg)
Nowadays breadboards are often sold with a breadboard power module and a bunch of jumper wires included. This power module allows you to easily apply 5 and/or 3.3 volt to the power rails of the breadboard using an external power…