Top Positive Review for LED Display Module on Banggood|Shopping Philippines

45% OFF MAX7219 Dot Matrix Module 4-in-1 LED Display Module US$8.29 US$14.99 View It

Overall:

Paul Kroon 12/02/2017

I first tried the dotMatrix on the Arduino with the Sprite and Matrix libraries. I got funny results because the column adressing is reversed. Therefore I switched to the MD_MAX72xx libraries. Make sure to change the define in the MD_MAX72xx. h file to read: #define USE_FC16_HW 1 I used the MD_Keyswitch library found at https://github.com/MajicDesigns/MD_KeySwitch and the MD_MAX72xx library found at https://github.com/MajicDesigns/MD_MAX72XX Then I pulled the source at https://github.com/MajicDesigns/MD_MAX72XX/blob/master/examples/MD_MAX72xx_ScrollChart/MD_MAX72xx_ScrollChart.ino With that you should be able to get it to work. If you use pins that are not-SPI standard, make sure to activate the call to MD_MAX72XX with four parameters, and comment out the one with two parameters.

Comments (2)

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ArtFaks Thanks a lot for this tips !!! Very usefull
Reply 27/03/2017

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Alexandre I plan to order one soon, no time wasted thanks to your tips! Good work ;-)
Reply 06/04/2017

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