This circuit board is based on the 51 microcontroller controlled by the STC15W4K56S4 chip and has the following functions: (1) Reset + independent button, used to verify external input control. (2) RGB light circuit, used to verify the IO output function. (3) 0.96-inch OLED display circuit to enhance interactive functions. (4) CH340E USB to TTL circuit, connect the USB cable to the computer to download the program. (5) Remote control relay switches and data reporting. (6) The addition of temperature module, buzzer module and WIFI module EMW3080 expands the functions of the microcontroller and facilitates access to Alibaba Cloud IoT to realize IoT functions. (7) The addition of multi-color LED lights facilitates the lighting debugging function.
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