The Julia programming language is a horrible fit for a no-frills microcontroller like the ATMega328p that lies within the classic Arduino ... manages to blink an LED slowly.

As a perfect example, these LED “blinking eyes” were created by [Will Moser]. Using nothing more exotic than some bare LEDs, an Arduino, and a cardboard box, these little gadgets can quickly ...

but succeded in making the LED eyes blink, look around, and, of course, glare, in a loop sequence. The mod works using a MAX7219 chip and Arduino Uno ATmega328 board, which control the two 8×8 ...