Rangkaian Power Supply Led Luxeon

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Neon Desklamp - Zen Internet

The circuit is based on IC1, which is a 555 timer IC in astable mode. IC1's current output is amplified by TR1, and the voltage at the collector is stepped up by T1 ...

Simple High-Power LED Regulator - WestHost

Construction Construction is not critical, but a compact layout is recommended. L1 needs to be rated for the continuous LED current, Q1 does not need a heatsink, but ...