Dobrica Pavlinušić's random unstructured stuff
RD TC66C: Revision 5

RD TC66/TC66C Type-C PD trigger USB-C Voltmeter ammeter voltage 2 way current meter multimeter PD charger battery USB Tester

https://www.aliexpress.com/item/32968303350.html

https://sigrok.org/wiki/RDTech_TC66C

https://www.youtube.com/watch?v=rOlhibDUJgs

bluetooth le range is very losy, it's about 30cm so you almost have to put Android phone on top of TC66C to make it work :-(

TC66C Reverse Engineering

https://ralimtek.com/reverse%20engineering/software/tc66c-reverse-engineering/

https://github.com/Ralim/TC66C

newer version: https://github.com/Ircama/TC66C

pi@rpi2 ~/TC66C $ git remote -v
origin  https://github.com/Ircama/TC66C (fetch)
origin  https://github.com/Ircama/TC66C (push)
pi@rpi2 ~/TC66C $ git branch -a
* keyboard_mgmt
  master
  remotes/origin/HEAD -> origin/master
  remotes/origin/keyboard_mgmt
  remotes/origin/master

pi@rpi2 ~/TC66C $ sudo apt install python3-curtsies

pi@rpi2 ~/TC66C $ sudo pip3 install bluepy

pi@rpi2 ~/TC66C $ sudo ./scan.py