Emergency light npn with 1W LED

125

02:10:37

An emergency light using usb 5V power and     li-ion battery.
With charge current indicator,
li-ion low voltage protection.

published 8 years ago

BillyT

8 years ago

3.2V @ 125mA is not 1W, the present circuit as is won't supply 1W, it probably would with a bit more work.

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