![](/media/cache/profiles/fd068634f56443e7ef424870db309a61.50x50_q85.jpg)
Print a message to a custom LED matrix and play a song on a piezo buzzer.
Dependencies: Adafruit_32x8matrix
History
uses switch to trigger start.
2021-11-08, by maclobdell [Mon, 08 Nov 2021 22:45:16 +0000] rev 10
uses switch to trigger start.
initial version
2021-11-03, by maclobdell [Wed, 03 Nov 2021 19:49:24 +0000] rev 9
initial version
updated to demonstrate new playText function which parses through a sentence and either shows or scrolls each word depending on the size
2017-12-11, by maclobdell [Mon, 11 Dec 2017 19:23:47 +0000] rev 8
updated to demonstrate new playText function which parses through a sentence and either shows or scrolls each word depending on the size
Update example app to use both showing static text and scrolling text
2017-06-28, by maclobdell [Wed, 28 Jun 2017 19:44:15 +0000] rev 7
Update example app to use both showing static text and scrolling text
create class for combined matrix with two 16 x 8 matrices stuck together
2017-06-28, by maclobdell [Wed, 28 Jun 2017 19:27:51 +0000] rev 6
create class for combined matrix with two 16 x 8 matrices stuck together
wait to display (send data) until frame buffer written. speeds performance significantly. Also added function to show text without scroll
2017-04-10, by maclobdell [Mon, 10 Apr 2017 14:43:42 +0000] rev 5
wait to display (send data) until frame buffer written. speeds performance significantly. Also added function to show text without scroll
add scroll speed, set brightness and rotation, sleep when idle, scroll every 10 seconds;
2017-04-08, by maclobdell [Sat, 08 Apr 2017 02:57:54 +0000] rev 4
add scroll speed, set brightness and rotation, sleep when idle, scroll every 10 seconds;
now able to scroll text across full 32 x 8 matrix (made of two 16 x 8 Adafruit LED matrix backpacks).
2016-12-22, by maclobdell [Thu, 22 Dec 2016 20:42:03 +0000] rev 3
now able to scroll text across full 32 x 8 matrix (made of two 16 x 8 Adafruit LED matrix backpacks).
now able to scroll a string across both matrix (2 x 16) x 8 = 32 x 8
2016-12-22, by maclobdell [Thu, 22 Dec 2016 20:34:41 +0000] rev 2
now able to scroll a string across both matrix (2 x 16) x 8 = 32 x 8
initial commit
2016-12-21, by maclobdell [Wed, 21 Dec 2016 18:25:03 +0000] rev 1
initial commit