Wemos D1 V1.0.0-ESP32 WiFi Bluetooth Module

  • Microcontroller: ESP-32
  • Operating Voltage: 3.3V
  • Digital I/O Pins: 26
  • Analog Input Pins: 12
  • CP2104 USB serial adapter
  • Wireless Internet
  • Bluetooth
  • Flash 4M bytes
  • Lithium battery interface, 500mA maximum charging current