| name | slack_handle | github_handle | tutorial |
|---|---|---|---|
Giacomo Felletti |
@jack0217 |
@fellettigiacomo |
NeoHeart V2
I'm trying to make a cute heart-shaped board for my bf. It is based on an ATtiny MCU, it has addressable LEDs and a button to change the animation. All powered by a small cr2032 battery.
Around 98 dollars, materials only are about 60 dollars, 20 dollars of VAT (IVA in italy) and almsot 20 dollars in shipping
The main challenge that i had to tackle was power. The small CR2032 battery isn't made to supply a lot of current, and it has a low voltage. I first tried on a breadboard, and i managed to power 25 WS2812b 5050 LEDs Then, i needed to calculate the values for the boost converter (from 3V to 4.7), and i learned how to use a MOSFet. The internet generally helped me, and some of my friends gave me a couple of hints (bf inclued lol)
When i finish making the blender render, i'll create a repo on my github (url should look like this: https://github.com/fellettigiacomo/neoheart/)