Description

What’s new about V2.1.0

  •  Use BRT (Bias Resistor Transistor), easier into flash mode.
  •  Optimize the circuit, the system is more stable.

About D1 R2

  • based on the ESP-8266EX.
  • Arduino Compatible, you can use it on Arduino IDE.
  • NodeMcu Compatible
  • 11 Digital I/O pins
  • 1 Analog Input pin
  • OTA — Wireless Upload(Program)
  • On board switching power supply — Max 24V input, 5V 1A output