ESP types

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Revision as of 20:13, 29 November 2020 by Marcluer (talk | contribs) (→‎ESP8266)
Board PinOuts


ESP8266

  • Pinout
    • Wemos D1 Mini: [1]
    • ESP-01: [2]
Pin Priorities
Pin I2C SPI ESP-01 Comment Boot behaviour
GPIO5 D1
GPIO4 D2
GPIO14 D5 SCK
GPIO12 D6 MISO
GPIO13 D7 MOSI
GPIO16 D0 high on boot
GPIO15 D8 CS Boot failure if high
GPIO0 D3 x Boot failure if low
Inputs
ADC A0 Analog input
Serial
GPIO1 TX x TX high on boot, failure if low
GPIO3 RX x RX high on boot
Strapping Pins (Boot)
GPIO16
GPIO2 D4 x (LED) high on boot, boot failure if low

ESP32

  • Pinout
    • ESP32-mini: [3]
    • Lolin32: [4]
    • ESP32 Devkit v1 (30pin): [5]
    • ESP32 Devkit v1 (38pin): [6]
Pin Priorities
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

ATmega32U4