The D1 R2 is a mini wifi board based on ESP-8266EX.
11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)
1 analog input(3.3V max input)
A Micro USB connection
A power jack, 9-24V power input.
Compatible with
Compatible with nodemcu
Getting Started
Getting Started
NodeMcu
Getting Started
Technical specs
Microcontroller:ESP-8266EX
Operating Voltage
3.3V
Digital I/O Pins:11
Analog Input Pins
1
Clock Speed:80MHz/160MHz
FLash
4M bytes
Length:68.6mm
Width
53.4mm
Weight:25g
Pin
Function
ESP-8266 Pin
TX:TXD:TXD
RX
RXD
RXD
A0:Analog input, max 3.3V input:A0
D0
IO
GPIO16
D1:IO, SCL:GPIO5
D2
IO, SDA
GPIO4
D3:IO,Pull-up:GPIO0
D4
IO,pull-up, BUILTIN_LED
GPIO2
D5:IO, SCK:GPIO14
D6
IO, MISO
GPIO12
D7:IO, MOSI:GPIO13
D8
IO,pull-down, SS
GPIO15
G:Gound:GND
5V
5V
–
3V3:3.3V:3.3V
RST
Reset
RST
*All IO have interrupt/pwm/I2C/one-wire supported(except D0)
Programming
The D1 R2 has a micro USB for auto programming.
Also you can programming it using OTA
Warnings
All IO is work at 3.3V.
Package included
1 x D1 R2 WiFi ESP8266 Development Board
Additional information
| Weight | 0.03 kg |
|---|
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