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Circuit

Nicholas White edited this page Feb 17, 2025 · 15 revisions

Circuit Diagram

Full Pinout Reference

rev3

  • TODO - Label DAC, PWM, ADC Pins on board
  • Switch LEDs

rev2 - Current

rev2Schematic

rev1

Schematic

Pinout Reference

Pheonix Block Pins ESP-32 Pin(s) Protocol AquaPi Function Note
Temperature1 3 D16 One-Wire Temperature Sensors Dallas ds18b20
Optical 1 4 D32, D33 Binary Optical IR Water Level Sensors High(Pin32), Low(Pin33), Inverted, Input, Pullup
I2C1 4 D21, D22 I2C EZO Sensors SDA(Pin21), SCL(Pin22)
DAC 1 4 D25, D26 Digital To Analog Optional Configuration Inverted, Input, Pullup
UART1 4 D1, D3 Serial (UART) Not Currently Used TXO(Pin1), RXO(Pin3)
Binary1 4 EN, D14 Binary Not Currently Used Reset(PinEN), Inverted, Input, Pullup
AUX1 4 D18, D19 Not Currently Used VSPI MISO(Pin19), VSPI CLK(Pin18)
AUX2 4 D27, D13 Binary Leak Sensor, Extra Sensor Leak(Pin27), Aux(Pin13), Inverted, Input, Pullup
AUX3 4 D23, D15 Not Currently Used VSPI MOSI(Pin23), STRAPPING(Pin15)
AUX4 4 D35, D34 Binary Input Optional Configuration Input ONLY
AUX5 4 D5, D12 Not Currently Used STRAPPING(Pin5), STRAPPING(Pin12)
AUX6 4 D4, D17 Not Currently Used STRAPPING(Pin4)

Screenshot 2024-02-22 000808 PXL_20230529_200205979 PXL_20240224_022516268~2

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