ESP8266 D1 R2 V2.1.0 WIFI Dev Board (Arduino UNO Footprint) 18Hz max update rate

18Hz max update rate

We offer a board similar to this called the Wemos D1 Mini that is much smaller in size and breadboard compatible

4 long (6-1/2in / 16

Onboard battery for battery backed RAM (BBR)

ESP8266 D1 R2 V2.1.0 WIFI Dev Board (Arduino UNO Footprint) 18Hz max update rateThe D1 R2 is a WIFI capable ESP8266EX based development board in the form of the Arduino UNO board format. This board is compatible with the Arduino IDE and with NodeMCU. Tutorials for each can be found in the Resources section below. The D1 R2 also features an on board switching power supply which allows you to power the board from a power supply up to 12V. We offer a board similar to this called the Wemos D1 Mini that is much smaller in size and