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→Step 1: 2in1 board
=== Step 1: 2in1 board ===
=== Step 1: 2in1 board ===
You need:
==== You need: ====
* 1 * 2in1 PCB (Pos. 20)
* 1 * 2in1 PCB (Pos. 20)
* 2 * 100nF capacitor (Pos. 8)
* 2 * 100nF capacitor (Pos. 8)
* 1 * IC MCP23008 (Pos. 15)
* 1 * IC MCP23008 (Pos. 15)
==== HowTo ====
==== HowTo: ====
# Start with assembling the diode onto the PCB. Be careful to do this the right way - the small black (or white) stripe on one side of the diode must fit the same side of the white stripe on the PCB!
# Start with assembling the diode onto the PCB. Be careful to do this the right way - the small black (or white) stripe on one side of the diode must fit the same side of the white stripe on the PCB!
# After that solder the resistors.
# After that solder the resistors.