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Binary Marble Clock

Step 3Soldering the leds & resistors

Soldering the leds & resistors
The leds have one short lead (minus) and a long led (plus). Insert all leds turned in the same direction and then solder all the short leads together.

Solder the 120 ohm resistors on the long leads.

Solder a wire long enough to reach the middle of the clock to each resistor.
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Author:matseng
Swedish expat living now living in Malaysia after spending some years working in Dubai.