Features:
ESP8266-Based
On-Board Si7021 Temp/Humidity sensor
Solderless pin connectors – compatible with alligator clips
On-Board FTDI for re-programming
On-board WS2812 RGB LED
General purpose LED and button
ADC scaled to 0-3.3V
Expansion connectors for I2C and WS2812 output
LiPo battery charger
Arduino programmable
Over a dozen pre-loaded Blynk projects!
No programming required to connect the board to Blynk and run through the example projects
Blynk Subscription Code-Card Included