Original code is from HAZI TECH. I modified the code, add bar mode and peak hold. I build this using spare Arduino Nano and MAX7219 matrix display which I have been using in my previous DIY. So I just ...
If you have wrong display orientation or different matrix module type then try changing the code with one of these module types GENERIC_HW/FC16_HW/PAROLA_HW/ICSTATION_HW.
In this step-by-step tutorial, we're diving into the world of electronics and microcontrollers to create a personalized 8 by 8 LED matrix that can be controlled using an Arduino board In this ...
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