Hello,
Can you tell me what are these 2 pieces for?
I guess the No. 1 is for the ultrasonic sensor? to solder on MyBoard?
Sensor Side =>NyBoard Side
GND => GND
Echo => D10
Trigger => D9
VCC => D8
For No. 2 I do not know?
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No.2 is the 2x5 socket to connect Raspberry Pi. Optional.