ESP types: Difference between revisions
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** ESP32 Devkit v1 (38pin): [https://raw.githubusercontent.com/AchimPieters/esp32-homekit-camera/master/Images/ESP32-38PIN-DEVBOARD.png] | ** ESP32 Devkit v1 (38pin): [https://raw.githubusercontent.com/AchimPieters/esp32-homekit-camera/master/Images/ESP32-38PIN-DEVBOARD.png] | ||
* WROVER = 8MB PSRAM | |||
{| class="wikitable" | {| class="wikitable" | ||
|+Pin Priorities | |+Pin Priorities |
Revision as of 20:43, 29 November 2020
Board PinOuts |
ESP8266
Pin | I2C | SPI | ESP-01 | D1 Mini | Comment | Boot behaviour | |
---|---|---|---|---|---|---|---|
GPIO14 | D5 | SCK | x | ||||
GPIO12 | D6 | MISO | x | ||||
GPIO13 | D7 | MOSI | x | ||||
GPIO5 | D1 | SCL | x | ||||
GPIO4 | D2 | SDA | x | ||||
GPIO16 | D0 | x | Pulldown resistor | high on boot | |||
GPIO15 | D8 | CS | x | Boot failure if high | |||
GPIO0 | D3 | x | x | Boot failure if low | |||
Inputs | |||||||
ADC | A0 | x | Analog input | ||||
Serial | |||||||
GPIO1 | TX | x | x | TX | high on boot, failure if low | ||
GPIO3 | RX | x | x | RX | high on boot | ||
Strapping Pins (Boot) | |||||||
GPIO2 | D4 | x (LED) | x | high on boot, boot failure if low |
ESP32
- WROVER = 8MB PSRAM
Pin | ADC1 | DAC | RTC(WakeUp) | Touch | SPI | Comment | |
---|---|---|---|---|---|---|---|
IO04 | x | x | |||||
IO05 | CS | ||||||
IO16 | |||||||
IO17 | |||||||
IO18 | CLK | ||||||
IO19 | MISO | ||||||
IO23 | MOSI | ||||||
IO25 | x | x | |||||
IO26 | x | x | |||||
IO27 | x | x | |||||
IO32 | x | x | x | ||||
IO33 | x | x | x | ||||
IO12 | x | x | HSPI | (Platform IO JTAG) | |||
IO13 | x | x | HSPI | (Platform IO JTAG) | |||
IO14 | x | x | HSPI | (Platform IO JTAG) | |||
IO15 | x | x | HSPI | (Platform IO JTAG) | |||
Input only | |||||||
IO34 | x | x | Input only | ||||
IO35 | x | x | Input only | ||||
IO36 | x | x | Input only, Hall | ||||
IO39 | x | x | Input only, Hall | ||||
Serial, I2C, SPI | |||||||
IO1 | TX | ||||||
IO3 | RX | ||||||
IO21 | I2C SDA | ||||||
IO22 | I2C SCL | ||||||
Strapping Pins (Boot) | |||||||
IO0 | x | Boot button | |||||
IO2 | x | Block flash | |||||
IO5 | ? | ||||||
IO15 | Low = no boot log | ||||||
Flash Chip | |||||||
IO06 | |||||||
IO07 | |||||||
IO08 | |||||||
IO09 | |||||||
IO10 | |||||||
IO11 |