Recently, we published an entry-level Arduino project with a single seven-segment LED display. Although it’s an amazing DIY project, we noted that most of the readers are looking for more advanced ...

One more suggestion: if we use an Arduino PWM pin as the common anode pin, we can power on/off the display and change its brightness. What if using Common Cathode Display. If we put in the sockets ...

Posted in Arduino Hacks, digital audio hacks Tagged fft, Fourier, VU meter ← Coin-op Sega Rally Used To Race RC Cars Guitar Foot Controller Uses DSP For Audio Effects ...