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.

Dates:

• Start of Contestant Application: 2023-01-01T00:00:00Z
• End of Contestant Application: 2023-01-07T00:00:00Z
• Start of Actual Contest: 2023-01-14T00:00:00Z
• End of Actual Contest: Until the last one dies off!!

Submit the following information to @Neo_Chen:

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

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

Important Rules

• Do not use any other battery type other than 1.5V AA Alkaline
• Use white LEDs
• No ICs, only discrete components
• There should be a continuous video recording / livestreaming of the device working if possible (reasonable downtime is allowed)
• Any unfair tricks (like drawing current from other power sources) are prohibited
• Note: This is just for fun, please don't be overly serious