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Led.Digits not working with my 8-Digit LED Display Segment #969
Description
I've spent a few hours on this and I can't get my 8-Digit LED Display Module to work. No matter what character I try to draw or print it just prints random illegible characters or nothing.
I purchased my board in China but it works fine with the snippet below. What am I doing wrong?
Is there a way to send arduino code to the board from within the johnny-five project?
// Pin numbers
int rck = 4; // clock
int sck = 3; // cs
int dio = 2; // data
// Binary for 0 to 9
byte num[10]={B11000000, B11111001, B10100100, B10110000,
B10011001, B10010010, B10000010, B11111000, B10000000, B10011000};
// Positions
byte pos[8]={1, 2, 4, 8, 16, 32, 64, 128};
void setup() {
pinMode(rck, OUTPUT);
pinMode(sck, OUTPUT);
pinMode(dio, OUTPUT);
}
void loop() {
for (int j = 0; j < 8; j++) {
digitalWrite(rck, LOW);
shiftOut(dio, sck, MSBFIRST, pos[j]);
shiftOut(dio, sck, MSBFIRST, num[j]);
digitalWrite(rck, HIGH);
delay(2); // This keeps the flicker above 60 Hz
}
}
Activity
rwaldron commentedon Nov 26, 2015
Can you link me to the device you're using (so I can acquire one)?
rwaldron commentedon Nov 26, 2015
No, that wouldn't be the case. I have several different 8 digit displays that have been tested with Johnny-Five, but not this exact unit. I'll figure out getting one of these, but in the meantime, can you give me two things?
I'll do my best to help you as immediately as possible, but today is a holiday in the US and I will be AFK for the day in about an hour.
rwaldron commentedon Nov 26, 2015
drawmethod is for matrix devices (long story about how they all came to have the same backing class). Try this instead:rwaldron commentedon Nov 26, 2015
Also, need better docs :/
rwaldron commentedon Nov 26, 2015
Strange! I'm AFK now, but I can dig into this tomorrow—sorry for delaying your project :/
dtex commentedon Jan 11, 2018
Hi @idophir ,
Johnny-Five contributors and maintainers are loathe to close issues where someone has a need. We don't want anyone to ever feel that we don't care, but we just haven't gotten to this feature yet. Rather than leave it languishing as an open issue we have created a Requested Features page and added your request for the 595 there.