Some time ago the motor from the drill had died. So I replaced it with the Proxxon that I bought for my cnc machine.
A few weeks later the leds underneath died. I had some 3W leds + drivers in stock, so I decided to build a led driver and put a 3W led under the PCB.
Led driver:
Circuit drawing & PCB:
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(External variable resistor = 100K)
Fixed to the board:
Led:
Test:
Files
PDF files LED driver pcb: Download
Dutch 
