Go Down

Topic: Power supply questions for the Max7219 (Read 1 time) previous topic - next topic


Max7219 can drive 8 seven-segment displays - your description sounds like you have 4 digits to drive.
Make sure you get purchase common cathode displays for the 7-segment displays.
For the matrix, there is no difference  between common cathode & common anode, its just a matter of orientation. You will using the matrix with the common cathodes arranged vertically (cathode-column).
Designing & building electrical circuits for over 25 years.  Screw Shield for Mega/Due/Uno,  Bobuino with ATMega1284P, & other '328P & '1284P creations & offerings at  my website.


Perfect! I think Im ready to start building!

Go Up

Please enter a valid email to subscribe

Confirm your email address

We need to confirm your email address.
To complete the subscription, please click the link in the email we just sent you.

Thank you for subscribing!

via Egeo 16
Torino, 10131