Sunday, 10 February 2013

1.5W Headlamp

A few days ago, I discovered one of my old torches' batteries had leaked and as the battery died, couldn't be replaced. This was actually rather good news. I removed the head from the torch along with the LED and it's mounting plate then re-soldered the connecting wires so that they were much longer than the original 2cm wires. After a test with some BC547B transistors, a 27kΩ resistor and the Raspberry Pi, the LED is really bright at 5V. So this became the main headlamp for TankPi and was mounted on the front.



Jamie
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