Charge up these potions before wearing them on the go. Perfect accessory for upcoming Electronic Halloween! Shared by Larian S on Instructables:
From some very cheap bluetooth earbuds from Aliexpress i had tiny lithium batteries that would fit in small glass bottles i have seen online. There are small SMD LEDs wich automatically change color evvery second, but i wanted more control over the color so i ended up using the smallest microcontroller i knew, the ATTINY10. To control it a button may be too big. For that i had touch sensors from a TP223 module. And here the journey of creation began….
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