Jakkra

3 ms·

1. 1.▲
   by Jakkra 4y ago

   I made a very simple pcb breakout board before, but I don't really count that, so the first that's not very basic.
2. 2.▲
   by Jakkra 4y ago

   I have not debugged it much, suspect hw as I tried a few sw things without success. But could be sw fix. Anyway I'll make a new revision, this current one is a bit limiting due to the MCU and one minor hw bug that needs manual rework o
3. 3.▲
   by Jakkra 4y ago

   Keep an eye out, my next version will be easier to build. We'll see if I can manage to get a small batch built that sell.
4. 4.▲
   by Jakkra 4y ago

   Creator here, no GPS because I always have my phone on my, hence no GPS. I designed it for myself. Also this was my first pcb, so did not want to complicate it more than necessary :)
5. 5.▲
   by Jakkra 4y ago

   Creator here, you are not far off. I should share bom with prices, will do that on github.
6. 6.▲
   by Jakkra 4y ago

   Creator here, Because the MCU is not very powerful. https://www.nordicsemi.com/products/nrf52833 have limited RAM so I cannot flush more than 10% of the screen at a time
7. 7.▲
   by Jakkra 4y ago

   Hi, creator here did not know it was shared on hacker news until someone sent me an email. Battery life is one day with screen always on and about two without. I designed it so that it should have a week battery life with screen not always