1You can get the current real-time temperature and weather forecast within 3 days. Onboard air pressure sensors and temperature and humidity sensors monitor environmental conditions.
2 uses the ESP8266 module, supports long-press and one-click network configuration, and uses the Essence Technology network configuration tool.
3. Monitor the battery voltage and charge the battery.
The 4MICRO USB outlet can charge the battery and supports STM32 serial port ISP download and debugging output. The serial port chip connection is abnormal and the power output filter capacitor has been added. The PCB has been updated.
5. Connect the 1.8-inch color screen module (st7735 driver).
Click on the picture
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