Insert and solder battery holder for
CR2032.
Note the polarity!
F
Insert the Cr2032
If you can see the positive
end from above, the
battery is inserted
correctly.
battery
(not included)
E
You will now need this part:
1x battery holder
If you push a button and no LEDs light up:
Check the polarity of the processor
Visually inspect all soldering points.
If individual soldering points are not
properly soldered, resolder with some
solder.
Replace the CR2032 battery you
inserted or check the battery voltage
with a multimeter.
(Ic1)
Troubleshooting