Sending Bytes to an 8x8 LED Matrix.
Using LEDs as Binary No. and 2 button switches to add or subtract 1 point per push.
This project detects changes in temperature based on your specifications, and then changes the color of a LED to the color of your choosing.
An arduiNOOB friendly tutorial for beginners on daisy-chaining.
A simple IR receiver setup controlling 2 LED by a relay board
Why you can blank, void setup()
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