.:madworm:.'s photos with the keyword: LED MATRIX

Piggyback closeup

Piggyback closeup

.:madworm:.
03 Sep 2010 101
This is the row driver and its serial output doesn't go anywhere (last chip in the chain), so piggybacking another chip doesn't cause any confusion.
Piggybacking a 2nd 74HC595

Piggybacking a 2nd 74HC595

.:madworm:.
03 Sep 2010 148
This is the row driver and its serial output doesn't go anywhere (last chip in the chain), so piggybacking another chip doesn't cause any confusion. Unfortunately I had to remove one 8pin header. It survived, but it wasn't any fun. The result of the upgrade can be viewed here .
An old prototype before the upgrade

An old prototype before the upgrade

.:madworm:.
03 Sep 2010 150
Spot the mod

Spot the mod

.:madworm:.
03 Sep 2010 116
There are 3 locations that have been changed.