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Description: The D1 mini Pro 4mb is a mini wifi board based on ESP8266EX. this is a D1 mini with added antenna connector

Features:

  • 11 digital input,output pins

  • Interrupt, pwm ,I2C ,one wire

  • 1 analog input,3.3V max input

  • 4M bytes Flash

  • External antenna connector

  • Built-in ceramic antenna

  • New CP2104 USB TO UART IC

  • Same size as D1 mini,

Note this is the OEM version without the WEMOS logo

Technical specs

MicrocontrollerESP8266EX
Operating Voltage3.3V
Digital I,O Pins11
Analog Input Pins1 ,Max input: 3.3V
Clock Speed80MHz or 160MHz
Flash4M bytes
Length34.2mm
Width25.6mm
Weight2.5g

 

Pin

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

Wemos D1 mini Pro clone board based on ESP8266EX UK Seller

SKU: K20
£8.95Price
Quantity
  • New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is applicable). If the item comes direct from a manufacturer, it may be delivered in non-retail packaging, such as a plain or unprinted box or plastic bag. See the seller's listing for full detail

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