POV source code – part 2

Clock interrupt The STC89C52 has three timer/counters (most of the 8051 chips have the first two, and the third one is pretty common).  One of the modes for timer 1 is to count clock pulses in an 8-bit register and when FF is reached, reload the count register from a separate 8-bit register.  Each time… Continue reading POV source code – part 2

POV source code – part 1

These posts relate to the previous few concerning the Banggood kit: Cross LED Dot Matrix Display Circuit Board Rotating Electronic Kit It uses an STC89C52RC microcontroller which is a (fairly) modern Chinese version in the 8051 family. You can program it in assembler, but I chose to use the C language for this project. The… Continue reading POV source code – part 1

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Cheap POV (persistence of vision) clock kit

These kits are available on Banggood.com for about $11 shipping included.  Tricky soldering, and they don’t come with any instructions.  There are instructions available on the website – but not unless you read Chinese.  The pictures on the website help though. Anyway, I recommend the kit.  Even if you can’t get it working properly, it’s… Continue reading Cheap POV (persistence of vision) clock kit