1k
Description
This is a basic 9v to 5v PSU using a 7805 regulator, this was a common circuit to build for building a low cost 5v stabilised DC supply using a 9v PP3 battery as an input source
Schematic
Parts List
QTY PART-REFS VALUE CODE --- --------- ----- ---- Capacitors ---------- 2 C1,C2 1nF 2 C3,C4 1uF Integrated Circuits ------------------- 1 U1 7805