wget https://github.com/espressif/idf-im-ui/releases/download/v0.7.1/eim-cli-linux-x64.zip
unzip eim-cli-linux-x64.zip
./eim install 
source "/home/$USER/.espressif/tools/activate_idf_v5.5.2.sh"
idf.py set-target esp32c6
idf.py build
idf.py flash

todo

part selection
- esp32-s3?
  - c6 does 802.11ax, probably better
  - c6 is riscv so it's "cool"
  - does micropython run on c6, yes
- screen
  - 128x128 color oled?
- input device
  - watch style crown encoder/button https://www.digikey.com/en/products/detail/sparkfun-electronics/08184/8543391
- battery
- optional (as do not place):
  - lora
  - gps
  - uwb
sch/pcb design
pairing
- user to user, piqchat style
  - maybe some group functionality?
- btle with pin confirm for key transfer
e2ee
- storing tracks and mapping on a website might be desired?
map generation
- drawing vector osm?
- EMF map
UI stuff
- settings:
  - reset
  - brightness
  - battery status
- pairing
- group/friend info
on-device triangulation for enhanced privacy?
WiFi RTT on esp32??
- esp32-s3 vs esp32-c6
  - is the wifi ip stack different?
  - test RTT on s3 and c6
TESTING