Description: The Wemos D1 mini is a mini wifi board based on ESP8266EX.

Features:

  • 11 digital input,output pins, 

  • 1 analog input (3.2V max input)

  • a Micro USB connection

  • Compatible with Arduino

  • Compatible with  Nodemcu

  • comes with set of connectors 

Technical specs
MicrocontrollerESP8266EX
Operating Voltage3.3V
Digital I,O Pins11
Analog Input Pins1 (Max input: 3.2V)
Clock Speed80MHz or 160MHz
Flash4M bytes
Length34.2mm
Width25.6mm
Weight10g

 

Pin
PinFunctionESP8266 Pin
TXTXDTXD
RXRXDRXD
A0Analog input, max 3.3V inputA0
D0IOGPIO16
D1IO, SCLGPIO5
D2IO, SDAGPIO4
D3IO, 10k Pull-upGPIO0
D4IO, 10k Pull-up, LEDGPIO2
D5IO, SCKGPIO14
D6IO, MISOGPIO12
D7IO, MOSIGPIO13
D8IO, 10k Pull down, SSGPIO15
GGroundGND
5V5V-
3V33.3V3.3V
RSTResetRST