Espressif ESP8266 User Manual

B. The Grammar ...................................................................................................... 41
C. The JSON Streaming Parser Library................................................................... 42
D. Conclusion ........................................................................................................... 44
7. Collecting and Displaying Local Data ......................................................................... 45
A. The Climate Node Setup ..................................................................................... 45
B. Thingspeak Setup ............................................................................................... 46
C. Programming the Climate Node .......................................................................... 48
8. More Projects.............................................................................................................. 49
A. The ESP8266 PlaneSpotter ................................................................................ 49
B. The ESP8266 WorldClock .................................................................................. 50

Espressif ESP8266 Specifications

General

Digital I/O Pins	17
Analog Input Pins	1
Wi-Fi	802.11 b/g/n
Operating Voltage	3.0V - 3.6V
Clock Speed	80 MHz / 160 MHz
Operating Temperature	-40°C to 125°C
Dimensions	24mm x 14mm
Processor	Tensilica L106 32-bit micro controller