Description
High precision LED dot matrix clock A (control board)
ESP-12S or ESP-12F can be used, the price is cheap;
DS3231MZ+ high-precision clock chip, accurate offline timing and small error;
AMS1117-3.3 power chip, the main control power supply is stable;
The driver adopts MAX7219, which is cheap and can realize 16-level brightness adjustment;
Miniaturized LED dot matrix screen, 4 pieces of less than 10cm.
Code
https://drive.google.com/file/d/1pcDKIhto-bG5xoZ44-uJ4Elpo_rpL1x7/view?usp=sharing
Schematic and Layout
https://drive.google.com/file/d/1-xiVG1wfzydRPwW5sMz8l7MHX_qIyEhb/view?usp=sharing
Oct 21,2020
5,188 views
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High precision LED dot matrix clock A (control board)
ESP-12S or ESP-12F can be used
5188
3
7
10.00 (1)
Published: Oct 21,2020
Under the
Attribution-ShareAlike (CC BY-SA)
License.
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Ok, did as you suggest.
Corrected, will it work?