A bit shallow on the voice of experience led display
Date:2011-06-07 14:44
Status:Be resolved
Question:admin
alked about
2: The digital dynamic
a, the hardware connection
Digital control is generally 1 / 13 to scan, and then high, then relatively large loss of brightness, as this is assumed to be 13, 16 acts of the line of positive tubes, each row of each segment digital tube connected
Together, each column segment digital tube together in public. Column switches tip127, he can directly drive 154, Darlington 5 amp, pay attention not to increase the output resistance of 127
Line with 595 (164 is not r
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06/25 13:39