Re: DC508A Display

2016-03-28T23:51:23-07:00

Hi, On the SG503, the 7 segment decoder output works by shorting the segment instead to switch them like the 7447. This is why it's more difficult. Look at the schematic, you can see that the segment

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Re: DC508A Display

Cyrob.org Member Profile All Messages By This Member #126205 Hi, On the SG503, the 7 segment decoder output works by shorting the segment instead to switch them like the 7447. This is why it's more difficult. Look at the schematic, you can see that the segment resistors are not in serie with them.

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Re: DC508A Display