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Topic: large display (Read 702 times) previous topic - next topic


120*7 pixel

Did you really mean 120 pixels along one edge and 7 pixels along the other? That's a pretty unusual requirement.
I only provide help via the forum - please do not contact me for private consultancy.


Nah, just 15 8x8 matrices. Drive  with 15 TPIC7219s, one per matrix. Use SPI, send out 120 bytes of data from an array to update the entire thing at one time.
Designing & building electrical circuits for over 25 years. Check out the ATMega1284P based Bobuino and other '328P & '1284P creations & offerings at  www.crossroadsfencing.com/BobuinoRev17.
Arduino for Teens available at Amazon.com.

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