Example project · Analog & power
5 V regulated supply
A 7805 turns the 12 V barrel jack into a clean 5 V rail. Watch the voltmeter hold 5 V as you change the input.

What's on the bench
- 7805 Reg
- DC Jack
- LED
- Resistor
- Voltmeter
This project runs prebuilt firmware on the emulated board; open it in the simulator to watch it work and inspect every part live.