Catherine Sui
High precision LED electronic clock based on STM32
Step 1: Description
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
Antoine Pintout
Lexcis
Robert Gill
Jeremias
Haha, yes, the TM1873 do not easy to get,but this will not be a problem with the help of LCSC, you are lucky enough~`