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#The 8th Lichuang Electronic Competition#Desktop electronic clock

Overview

/*****************Instructions for use of electronic clock*********************/
(From left to right) Button 1: Long press to switch modes and save data in hours and minutes Button 2: Long press to subtract values Button 3: Long press to add values Button 4: Long press to switch modes Display temperature P1 to achieve humidity P2 and return to time display
Buzzer: Humidity threshold 60, temperature threshold 38, when the monitored data is greater than the threshold, an alarm is issued
Indicator light: Upper: Power indicator light reflects the power-on status Middle: Charging completion indicator light, lights up when fully charged Lower: Charging indicator light: Charging in progress
Reset button: Restore factory settings
/*************************************************************/

Circuit schematic

PCB diagram

Demonstration video link
https://www.bilibili.com/video/BV1rh4y117oE/?vd_source=2cea4b868a6f328fea8db3a07919f547

Finally, I would like to thank the LiChuang platform for providing the opportunity

Design Files

4b38e6d4be3924dae8a346b8342f421a.mp4

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Update:2025-05-23 23:24:21

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