Table Of Contents - Espressif ESP8266 User Manual

Contents
1. Introduction ................................................................................................................... 4
2. Assembly ...................................................................................................................... 5
A. ESP8266 Module .................................................................................................. 5
B. OLED Display ........................................................................................................ 6
C. DHT11 Humidity & Temperature Sensor .............................................................. 7
D. Wires & Cables ...................................................................................................... 8
3. Tool Setup .................................................................................................................... 9
A. Download and Install the Serial Driver ................................................................ 10
B. The Arduino IDE .................................................................................................. 11
C. Install the ESP8266 tool chain ............................................................................ 12
D. Selecting the Correct Board ................................................................................ 13
E. Setting the Correct Port ....................................................................................... 14
F. Testing the Setup: WiFi Scanner ........................................................................ 15
G. Summary ............................................................................................................. 16
4. ESP8266 Programming Basics .................................................................................. 17
A. Preparation .......................................................................................................... 17
B. The Arduino Sketch ............................................................................................. 18
C. Hello World: The serial console .......................................................................... 19
D. Input/Output: GPIO pins ...................................................................................... 21
E. Interrupts ............................................................................................................. 23
F. Measuring analog signals ................................................................................... 24
G. WiFi ..................................................................................................................... 25
H. HTTP ................................................................................................................... 26
5. The ESP8266 WeatherStation ................................................................................... 30
A. Installing the libraries........................................................................................... 30
B. Open the Weather Station Example .................................................................... 32
C. Getting the OpenWeatherMap API Key .............................................................. 33
D. Configuring the Weather Station ......................................................................... 34
E. Connecting the Hardware ................................................................................... 35
F. First Run .............................................................................................................. 37
G. Summary ............................................................................................................. 38
6. The WeatherStation Code Explained ......................................................................... 39
A. The JSON Streaming Parser............................................................................... 39