[Tuya Smart] Temperature and Humidity Sensor Clock

elements

1. Based on STM32F103RCt6 and Bluetooth module BT7L;
2. With SHT30 temperature sensor to measure temperature
3. Equipped with an OLED LCD screen to easily display temperature and time;
4. There is a flash on the board, which can store the temperature information of the day and facilitate the statistics of temperature information;
5. There are two ways to program, one is CH340, the other is JTAG/SW. CH340 can program both the microcontroller and the Bluetooth module. The switching method uses a toggle switch;
6. Considering portability, a lithium battery interface is provided;
7. The board is also designed with a lithium battery charging circuit to facilitate replenishing the lithium battery. The power supply and charging of the lithium battery are determined by the insertion method of the jumper cap of J6;
8. In addition, considering the possible human-computer interaction, it is equipped with several buttons. If the buttons are not enough, you can also use an external touch keyboard;
9. When distributing the network, LED indicators are provided to facilitate the prompting of network distribution information;
10. Several additional ports are introduced, which can be used directly if necessary. ~~~~