Required Wiring

The HAT Motor Power will come from a USB cable that will be plugged into the battery pack.

• Green Arms Motor Wire to HAT M1 left side (1st terminal position)
• Orange Arms Motor Wire to HAT M1 right side (2nd terminal position)
• Yellow Mouth Motor Wire to HAT M2 left side (4th terminal position)
• White Mouth Motor Wire to HAT M2 right side (5th terminal position)
• Foot Button wire 1 to HAT GPIO #16
• Foot Button wire 2 to HAT Gnd
• HAT Motor Power + to External USB +5V
• HAT Motor Power - to External USB Gnd

Compact Build Additional Wiring

For the speaker wires, the order doesn't matter. Since it only has a single speaker.

• MAX98357 Vin to HAT 3V
• MAX98357 Gnd to HAT Gnd
• MAX98357 LRC to HAT GPIO #19
• MAX98357 BCLK to HAT GPIO #18
• MAX98357 DIN to HAT GPIO #21
• 100K Resistor to MAX98357 Gain
• Other side of 100K Resistor to MAX98357 Vin
• Speaker Wires to MAX98357 Speaker Output