ESP8266

The ESP8266 is a microcontroller by Espressif. 

 Properties 

 

 

 

 Property 

 Value 

 

 

 Nominal Voltage 

 3.3 V 

 

 

 CPU 

 

 32 bit CPU 

 

 

 

 Connectivity 

 2.4 GHz Wifi, Bluetooth 

 

 

 ADC 

 1 10-bit ADC with max 1.0 Volt 

 

 

 Pins 

 GPIO Pins, I2C, SPI, UART 

 

 

 

 

 

 

 

 Boards 

 NodeMCU 1.0 

 The NodeMCU 1.0 is a popular development board for working with the ESP8266 (Often with the variant ESP-12E). It has the following properties: 

 

 A USB interface (usual Micro USB) 

 USB-To-UART Chip (CH340 or CP2102) 

 Voltage regulator for 3.3 V 

 Reset and Flash button 

 Breadboard friendly pins 

 4MB Flash memory