myStrom's WiFi Button Plus ESPHome configuration yaml
Flash
JP1
(○) GPIO0 ➙ GND (Bootloader mode)
[○] TX (GPIO1) ➙ Programmer's RX
[○] RX (GPIO3) ➙ Programmer's TX
[○] VCC ➙ +3.3V
[○] GND ➙ 0V (GND)
Schematics
erDiagram
ESP32 {
}
ESP32 ||--|| GPIOs : ""
ESP32 ||--|| I2C : ""
ESP32 ||--|| ADC : ""
I2C {
GPIO21-GPIO22 SHTC3
}
ADC {
GPIO32 Battery-probe
}
GPIOs {
GPIO38 Top-left-key
GPIO39 Top-right-key
GPIO37 Bottom-left-key
GPIO36 Bottom-right-key
GPIO04 Red-LED
GPIO18 Green-LED
GPIO23 White-LED
GPIO33 USB-power-probe
}
Notes
- GPIO13, GPIO14 , GPIO19 and GPIO27 are reserved for an Eink display.
- GPIO9 and GPIO10 are reserved for the QuadIO flash mode.
- GPIO25 and GPIO26 are reserved for an unknown device.
- GPIO34 is reserved for the unpopulated SW5.
- GPIO35 is reserved for the unpopulated and unknown U7.
- There are traces and footprints for a buzzer.