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If you are reading this from github md go to https://jac-eko.github.io/p8-smartwatch-hacking/ for more comfortable reading.

p8-smartwach

P8 (Colmi) Smartwatch hacking resources page.

P8 watch is one of many smartwatches supported by DaFit app (including PineTime). It is quite cheap (~$18 USD on aliexpress) and has full touchscreen, button and 240x240 color display. P8 is similar to PineTime, it could use the same software with minor changes.

Buy: https://pl.aliexpress.com/item/4000557708951.html (18$)

Product page: https://www.colmi.com/products/p8-smartwatch

New P9 product page: https://www.colmi.com/products/p9-smartwatch

Alternative software

WaspOS (MicroPython)

• https://github.com/daniel-thompson/wasp-os
• documentation: https://wasp-os.readthedocs.io/en/latest/index.html
• forum: https://forum.pine64.org/showthread.php?tid=9017
• example of Star Trek themed modification: https://forum.pine64.org/showthread.php?tid=11287
• installing tutorial

ATCwatch (C++)

• https://github.com/atc1441/ATCwatch
• discord: https://discord.com/channels/717057001594683422/717057210211106826

Modified ATCwach

• https://github.com/0x416c6578/p8-firmware

P8-nb (Espurino js)

• ninebot speed meter, calculator
• https://github.com/enaon/ninebot-one-nRF52/tree/master/p8-nb

Espurino (js)

• https://github.com/fanoush/ds-d6/tree/master/espruino/DFU/P8

Another espurino (js)

• https://github.com/gerardwr/P8

Gitter discussion

• https://gitter.im/nRF51822-Arduino-Mbed-smart-watch/Lobby?at=5eaeabe831a6d25d7ca726f3

How to flash with DaFlasher

• https://github.com/atc1441/DaFlasherFiles
• https://play.google.com/store/apps/details?id=com.atcnetz.paatc.patc

Revert to original firmware

Daniel Thompson: (from waspOS)

"You will need to revert back to SoftDevice 5 and have a copy of the original firmware. I can help with the first bit but I didn't make any firmware backup (and couldn't legally share it even if I had) so I am not able to provide a copy of the original firmware. Anyhow, if you do have a backup then note that the zip updates in DaFlasherFiles cannot be applied directly to wasp-bootloader but we can return to the DaFlasher bootloaders by installing https://github.com/fanoush/ds-d6/blob/master/micropython/DS-D6-adafruit-back-to-desay-sd132v201.zip followed by ATCdfuFromSD2toSD5.zip . If you don't have a backup and decided you didn't like wasp-os then perhaps you could try ATCwatch to see if you like that better!"

Other useful information

• P8 Pinouts
  • https://files.gitter.im/nRF51822-Arduino-Mbed-smart-watch/Lobby/oFNe/P8pinout.jpg
• Other DaFlasher compatible smartwatches and bracelets
  • https://gist.github.com/atc1441/d0a3c1f5ee69ab901bccba4eb47a6e4e

"the p8 watch is a pinetime, same hardware, pinouts, manufacturer. Some minor differences on how the button is handled exist" - enaon

"PineTime and P8 are almost identical but attract different types of developer" - Daniel Thompson

Micropython learning

• https://realpython.com/micropython/