Joule Thief World Contest 2023 Winter

Main Objective

Make a "Joule Thief" blocking oscillator voltage booster circuit, run it off a 1.5V AA (UM3) Alkaline battery, and see how long can it stay on.

Joule Thief circuit


Submit the following information to @Neo_Chen:

Display Name
Country / Region
Contact Information (Telegram / Email, etc)
Picture of the joule thief circuit running

Optionally, you can join the NeoNetwork Ham Radio Telegram group (in Chinese) here

Important Rules

Real Joule Thief in action