Developed using Tuya Technology MCU SDK, use STM32 as the main control MCU, read the DHT11 temperature and humidity sensor information, display the real-time temperature locally through the OLED display, send it to the WB3S module through the serial port, send it to the Tuya Cloud platform through WiFi, and use Tuya Cloud APP to view. Powered by lithium batteries, with on-board charging circuit, power detection, and one-button power on and off settings.
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