In one of the previous posts I briefly described sending data to Google Sheets from a ESP32 board using MicroPython. As I mentioned earlier, the code is available on GitHub. Here are the main features:
- Measuring temperature and humidity with DHT22 sensor.
- Sending data to a Google Sheet.
- Authentication via Google OAuth 2.0 service to get access to the sheet.
- Configuring the device via web browser.
The Google Sheet doesn’t need to be publicly available on the Internet. The device doesn’t require any middleman such as PushingBox or IFTTT.
In this post, let’s focus a bit on technical details.Continue reading