Joule Thief
Components:
Ferrite torroid (You can make one with an old low consumption Lamp and 2 copper wires)
1k resistor
2n4401 transistor
AA or AAA battery holder
Joule Thief
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Please review the designer's notes (e.g., PCB thickness) and select the appropriate options.
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Raspberry Pi 5 7 Inch Touch Screen IPS 1024x600 HD LCD HDMI-compatible Display for RPI 4B 3B+ OPI 5 AIDA64 PC Secondary Screen（Without Speaker）
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