WeMos-D1R2 is an ESP8266-12 based WiFi enabled microprocessor unit on an Arduino-UNO footprint. A development board that shares a large similarity to an Arduino Uno board but with the added advantage of built-in WiFi functionality.
Features:
11 digital input/output pins, all pins have interrupted/PWM/I2C/one-wire supported(except D0)
1 analogue input(3.3V max input)
A Micro USB connection
A power jack, 9-24V power input.
Compatible with Arduino
Compatible with Nodemcu
Specifications:
Based on the ESP-8266EX.
Arduino Compatible, you can use it on Arduino IDE.
11 Digital I/O pins
1 Analogue Input pin
OTA — Wireless Upload(Program)
Onboard switching power supply — Max 24V input, 5V 1A output
Differences in pin-outs compared to the Uno development board.
