Using Essence's ESP-C3-12F WIFI chip to design an IoT clock project, the concept of a real-time clock is realized, which consists of a power supply circuit, USB to TTL circuit, real-time clock circuit, common cathode digital tube circuit, ESP-C3-12F, and buttons. The Internet of Things clock composed of circuits, digital tube driver chips, etc. uses the Internet of Things to connect everything and better control the time.
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