Ramsey Electronics Model No.
Lights up a 3 Volt white LED from a 1.5 Volt Battery
Demonstrates simple switching supply operation.
Only a few through hole parts, no ICs, great for beginners.
Runs for a couple of days on a single AA battery.
Learn about simple switching supplies with this easy-to-build
mini kit. Outputs 5VDC from 1VDC and lights a bright shiny