Wired Connections
The diagram above depicts the connections for the PowerBoost 1000C, audio amp, PiTFT, rotary switch, LED and Pi. Use this as a reference for wiring the components. Note, the length of wires and position of components are not exactly how the circuit will be - it’s just a diagram to show connections.
The 3.5" PiTFT connects to the Raspberry Pi's GPIO header. The rotary switch, LED and PowerBoost connect to the GPIO breakout on the 3.5" PiTFT.
Pin 1 |
3.3V |
Positive |
Pin 9 |
GND |
Negative |
Rotary Switch
The rotary switch is connected to various pins on the PiTFT. The table below lists out the pin number and GPIO. The colors correspond with the wires in the diagram - these however, can be whatever color you want.
Pin 14 |
GND |
White |
Pin 7 |
GPIO 4 |
Green |
Pin 11 |
GPIO 17 |
Blue |
Pin 13 |
GPIO 27 |
Purple |
Pin 15 |
GPIO 22 |
Yellow |
Pin 16 |
GPIO 23 |
Brown |
Raspberry Pi GPIO
Below is a color-coded graphic of the Raspberry Pi GPIO. It has the pin number, GPIO number and pin type listed. It great for referencing the wired connections.
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