Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with max7219
Search options answers only
not deleted
user 42015
Refers to the MAX7219 chip, a multiplexing LED driver. Use this tag for discussing the MAX7219 chip.
0
votes
Accepted
Difference between 3.3v & 5v
The difference for different voltage boards lies in the parts, that are soldered on it. Often microcontrollers support more than one supply voltage, but impose different performance limits on the syst …
- 16.5k
3
votes
Accepted
Scroll Left to Right on MAX7219 Display
To scroll in the opposite direction, change this if statement:
if( --x < len * -8 ) {
x = LEDMATRIX_WIDTH;
}
to this:
if( ++x > LEDMATRIX_WIDTH+len*8 ){
x = 0;
}
x (the start position of …
- 16.5k
1
vote
Accepted
Using an Android bluetooth terminal to change preset states on 8x8 LED matrixes
Your problem is, that you read from the EEBlue serial interface, but you are just echoing it over Serial and don't do anything with it. The display code is only executed, when the commands come throug …
- 16.5k