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Message #22610

JuanJose1

From: Alcala de Guadaira, Spain

Posts: 45

Hi, I wanted to know if you can connect 7-segment displays in series, and if you can how
Thank you

2021-03-19 10:32

Message #22613

pizman82

Moderator

From: ETSI, Germany

Posts: 6010

Supporter

Hi

https://www.mobiflight.com/en/documentation/faq.html

Quote:
That's theoretically 256 7 segment digits. 4 Modules connceted directly to the MobiFlight Board supporting a chain of 8 modules with 8 digits each. 4 x 8 chained modules x 8 digits = 256 digits. Currently the firmware limits to these 4 which use 12 pins at the Arduino Mega board. For each module you can create a chained setup of 8 modules in a row. Each module is able to drive 8 digits.

About technic.... NOTE: You must wire the 5v directly to each Board OR you remove a special diode on each board cause this reduce Power by 0.7 volts.
The other 4 lines can be chained !

Good Luck !

2021-03-19 13:32