TZT AT89C2051 Digital LED Display 4 Bits Electronic Clock Electronic Production Suite DIY Kit 0.56 Inch Red Two Alarm Programming / Instruction

By davidgo | September 4, 2020

I purchased a kit-set clock/alarm kit for my kids to build to learn to solder. Unfortunately, while it came with soldering instructions (which it didn’t need), it did not come with programming instructions and the supplier is no more. Below are partial instructions I’ve discovered through the web and playing around. The clock has 2…

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