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
Robert Gill
Antoine Pintout
Marius Taciuc
Lexcis
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~`