The D1 R2 is a small wifi board based on the ESP-8266EX.
- 11 digital input/output pins - all pins support interrupts/PWM/I2C/one-wire (except for D0)
- 1 analog input - maximum input 3.3V
- Micro USB connection
- Power port - input 9-24V
- Compatible with Arduino
- Compatible with nodemcu
Programming: The D1 R2 has a micro USB for automatic programming. It also supports programming via OTA.
Warnings: All IO pins operate at 3.3V.
- Product Number
- HR0214-4
- Type
- Board
- Board Model
- -
- Chipset
- ESP8266
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.