A bit shallow on the voice of experience led display
Date:2011-06-07 14:44
Status:Be resolved
Question:admin
ecommended) +2803 or 2003 + a 9013, output in 2003 to add current limiting resistor, typically 56 to 330 ohms (if it is 1.0, the digital control,
Resistance can be directly driven by 595 plus)
b, software
Using 89c51 as cpu, memory can be 24c series, or 28c series, pay attention to their write speed is not fast, but most of the digital input device as
Keyboard or remote control, the speed is sufficient, there are 24c series of relatively slow speed of reading, I found that the data read out ea
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