Now I am reading my old blog post on Gzunty LED driver.
http://tlfong01.blogspot.hk/2013/04/guzunty-pi-led-driver-core-testing-notes_9.html
I remember that I did not have the LED displaying what is expected. Last time I only used a 3 digit LED and I got confused of the digital and segment signals.
This time I have ordered a couple of 4 digit LEDs. I just checked that these LED toys are on their way from ShenZhen to Hong Kong.
.END
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