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Step 4Soldering of the Resonator and LED
Put the 3-lead resonator in the "Xtl" rectangle. It is not polarity sensitive, so which-way-around does not matter. Solder and snip, like with the resistors & capacitors.
However the LED have a polarity so you will have to take care which way it is installed.Take a close look at it and find the flat side of the LED. The flat side is the cathode, which also has the shorter leg of the two (the other, longer lead is the anode). The flat-side goes to the square pad on pcb. You can also see a flat side on the silk screen.
However the LED have a polarity so you will have to take care which way it is installed.Take a close look at it and find the flat side of the LED. The flat side is the cathode, which also has the shorter leg of the two (the other, longer lead is the anode). The flat-side goes to the square pad on pcb. You can also see a flat side on the silk screen.
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