and it's free, with more features too
42 karma · joined October 5, 2015
I'd be curious of how do you update these devices, did you get OTA to work through an nRF24? did you need some external eeprom for that?
like you said the passive components are pretty cheap, and you stay under 5$.
[1] https://www.aliexpress.com/item/EYEWINK-1pcs-lot-ATMEGA328P-... [2] https://www.aliexpress.com/item/LCD-Board-T420XW01-V2-06A39-... [3] https://www.aliexpress.com/item/Free-Shipping-Blue-0-96-inch...
Don't get me wrong, I'm sure she did a lot of work for it, but looks like a lot of people would have been able to do that, there is nothing innovative in what she did, right?