Search found 2 matches

by vladtheimpatient
Mon Aug 18, 2014 7:45 am
Forum: Arduino Shields
Topic: Multifunction shield for Arduino Uno (HCARDU0085)
Replies: 51
Views: 93563

Re: Multifunction shield for Arduino Uno (HCARDU0085)

You have to write to each segment in sequence in a continuous loop. Notice in the example sketch the function that writes to all 4 digital is being continuously called by the function WriteNumber(). If you do it fast enough it creates a persistence of vision (POV) effect and they all appear to be o...
by vladtheimpatient
Fri Aug 15, 2014 2:40 pm
Forum: Arduino Shields
Topic: Multifunction shield for Arduino Uno (HCARDU0085)
Replies: 51
Views: 93563

Re: Multifunction shield for Arduino Uno (HCARDU0085)

Hi, I am having problems lighting more than on 7 segment at the same time. I follow the code example given, ported to mbed.org and ST NUCLEO-L152RE, but setting subsequent 7 segment digits clears the previous one so I only ever have one lit up. Or rather, if I OR the segment select masks I can have ...