Hi guys .I have one upcoming project will start soon,I will make the “TinLethax’s Wristwatch” .I choose the SCDV5542 Vertical 5×5 LED matrix display .With the red light .I can be easily readable indoor/outdoor .Plus with the brigthness control due to the day/night time so the display wont burn your eyes ;D ,With the Vertical display format ,Make the watch looks unique ,I had no idea about the MCU to use in this project ,But in my opinion ,I would like STM32 series MCU (Target the MCU included with RTC for easy).
the link to the testing site code : https://github.com/TiNredmc/SCDV554X
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