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Io Basics Temperature And Humidity
AdafruitESP8266
A board with an ESP8266 microcontroller used to send temperature and humidity data wirelessly to Adafruit IO.
In stock
Specifications
2- Operating Voltage
- 3.3V (DHT22) / 5V (ESP8266)
- Logic Level
- 3.3V
Pinout
7Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| 3 | DHT22_VCC | POWER | Connected to DHT22 Pin 1 |
| 2 | DHT22_DATA | GPIO | Connected to DHT22 Pin 2 |
| 4 | DHT22_GND | GND | Connected to DHT22 Pin 4 |
| 13 | IO_USERNAME | GPIO | Not connected, used for config.h |
| 16 | IO_KEY | GPIO | Not connected, used for config.h |
| 23 | WIFI_SSID | GPIO | Not connected, used for config.h |
| 17 | WIFI_PASS | GPIO | Not connected, used for config.h |
Interactive pinout
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ESP8266
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