ThingSpeak Communication Library for Arduino, ESP8266 and ESP32 - v1.5.0
Version 1.5.0 changes:
- Added support and examples for using AT commands with ESP8266
- Reduced memory allocated at run-time when writing to multiple fields
- Switched to using content-length for processing HTTP response.
- No longer using Connection: close, bytes were getting dropped on some hardware
- Fixed bug making write operations slow on ESP8266
- MKR1000 can now use the latest WiFi101 library
This library enables an Arduino or other compatible hardware to write or read data to or from ThingSpeak, an open data platform for the Internet of Things with MATLAB analytics and visualization.
Hardware specific examples are found here. But to give you an idea of usage examples for writing and with an ESP8266 are shown below. Complete in aslo shown below.