WeChat applet Bluetooth control relays, lights and other equipment, Bluetooth serial port debugging assistant and other functions.
The following picture is a circuit diagram. The circuit diagram is displayed as blank in the platform, but it can be edited normally. Paste it here.
PCB layout
Physical map
For the measurement and control IoT platform applet, you can search for the applet in the WeChat applet. The applet will be open sourced on other platforms in the future.
Scan the QR code to enter the measurement and control IoT platform applet to realize Bluetooth control
Attached is the STM32F030 program and usage video
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