Hope this article can help with you homemade DIY LED clock
| Hardware | |||
|---|---|---|---|
| 5 | JLCPCB | $ 2 | |
High precision LED electronic clock based on STM32
Step 1: Description
PCBs were designed and manufactured by JLCPCB by $2 for 5 pcs
Features
1 0.8 inch large LED digital tube, clear display
2 Based on STM32F030F4P6 MCU
3 RTC clock IC adopts domestic SD3078, 3.8 PPM, annual error 2 min.
4 Temperature display
5 Optional alarm and hourly function
6 Optional automatic light sensing
Note: Source code is the TrueStudio project file, please use TrueStudio version 9.3.0 import. If you don't want to modify the source code, download the binaries directly via ST-Link
Step 2: Manufacture Files
Enclosed the Schematic file, PCB file, and BOM list
Resources
