Category: Arduino

L298N Motor Driver

I have several L298N Motor Drivers, that are different. Because the L298N is just the chip, but the boards then have capacitors and diodes and stuff, that make the use easier. I decided that the biggest is the best, as it has a heatsink, that gets hot when there is 2A flowing through it (5-7V). …

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Remove 5 second startup delay on Digispark

This worked after I tried a lot of options that did not work. Everyone was talking about some files named “deuxvis-1.05-digispark-d5-progbutton.hex” or “micronucleus-1.06-jumper-v2” or similar, but in the end, what worked was (assuming drivers for Digispark are already installed i.e. you are able to install software on digispark the normal way). Get micronucleus. Drag main.hex …

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How to program LilyPad Nano (LilyTiny?)

The board is not necessarily called LilyPad Nano. The board I have looks like this and was bought at (Aliexpress – non-affiliate link). You upload to it exactly the same as to Digispark (Probably also need the same drivers, I did not need any additional driver). Including the annoying 5 second timeout (you need to …

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Neopixel (WS2812) Gamma correction (make the brightness linear)

https://learn.adafruit.com/led-tricks-gamma-correction?view=all Note: Not tested.

Christmas Tree Lights

Last Christmas (2016) I wanted to make custom lights for a Christmas Tree but ran out of time. This Christmas (2017) I succeeded. The idea The idea was to use an Arduino to power WS2812 LED strips. WS2812 are RGB LEDs with an included microprocessor, that allows you to control all of them with a …

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