If you’ve ever wanted to make your own VU meter but were scared off by the signal process you need to study this tutorial. The one drawback to the hardware choices made here is that there are ...

The rows are turned on and off using ten transistors controlled by ten more Arduino pins. Scanning at 80 frames per second he gets a nice, flickerless display. To make both the LED matrix circuit ...

Another feature that the R4 WiFi boasts is its 12x8 red LED matrix, which is readily programmable using the Arduino_LED_Matrix library. This feature can come in handy in various Arduino projects ...

The Nova is a tiny RP2040 board with a 7x10 LED matrix for creative projects. It works with MicroPython and Arduino IDE, offering the potential for various applications. Interested crowdfunders ...