ESP types

Board PinOuts

Microcontroller/ESP-01 Microcontroller/D1mini Microcontroller/ESP32-mini

ESP8266

• Pinout
  • Wemos D1 Mini: [1]
  • ESP-01:

Pin Priorities

Pin
Serial
GPIO01			TX
GPIO03			RX
Strapping Pins (Boot)
GPIO16
GPIO02

ESP32

• Pinout
  • ESP32-mini: [2]
  • Lolin32: [3]
  • ESP32 Devkit v1 (30pin): [4]
  • ESP32 Devkit v1 (38pin): [5]

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