I have been wanting to play with the MSGEQ7 that Sparkfun sells. The MSGEQ7 is a graphic equalizer display filter that splits the audio into 7 bands and outputs via an analog signal. So in my last order, I decided to toss in the SFE shield with the MSGEQ7. This shield is all ready to go and it can analyze right and left audio channels. I am using it with a Arduino Leonardo. Now I just need a way to display the output. What better way than using 2 LED Matrix Links?! You find them in our Tindie shop and they make it really easy to drive 8×8 LED Matrix displays. The kit comes with everything you need, just add …