### 全局电路鸟瞰图
![circuit_overall](https://cloud.yimian.xyz/package/iotcat/digital-clock/pic/circuit_overall.jpg)

### 译码器电路示意图
![decoder_up](https://cloud.yimian.xyz/package/iotcat/digital-clock/pic/decoder_up.jpg)
![decoder_down](https://cloud.yimian.xyz/package/iotcat/digital-clock/pic/decoder_down.jpg)

### 数字屏电路示意图
![screen_left](https://cloud.yimian.xyz/package/iotcat/digital-clock/pic/screen_left.jpg)
![screen_right](https://cloud.yimian.xyz/package/iotcat/digital-clock/pic/screen_right.jpg)