snapVCC – A snap-on regulated 3.3 V/5 V power supply
https://www.electronics-lab.com/snapvcc-snap-regulated-3-3-v5-v-power-supply/
by Mahesh Venkitachalam @ hackaday.io: I use 9 V batteries for a prototyping a lot of my electronics projects. I was inspired by the Sparkfun breadboard power supply board, and wanted to create something similar, but with a more convenient form factor for use with a 9V battery. The design I came up with, is […]