http://www.fnirsi.com.cn/home?lang=en-us

http://www.fnirsi.com.cn/product/704369228916068352

http://www.fnirsi.com.cn/download/usb

https://goughlui.com/2023/04/29/review-tested-fnirsi-fnb58-usb-fast-charge-tester/

usb serial

https://github.com/baryluk/fnirsi-usb-power-data-logger

ble

https://github.com/losonsky/FNB58

root@rpi4:/home/pi/FNB58# git remote -v
origin	https://github.com/losonsky/FNB58 (fetch)
origin	https://github.com/losonsky/FNB58 (push)
root@rpi4:/home/pi/FNB58# git diff
diff --git a/fnb58_dump.sh b/fnb58_dump.sh
index 2a63e7f..2f74a74 100755
--- a/fnb58_dump.sh
+++ b/fnb58_dump.sh
@@ -2,6 +2,8 @@

 # just change to your MAC....
 BT_MAC="BA:03:1C:67:56:22";
+# 98:DA:B0:01:D6:15 FNB58-047732
+BT_MAC="98:DA:B0:01:D6:15";

 OLD_IFS=$IFS;

root@rpi4:/home/pi/FNB58#

root@rpi4:/home/pi/FNB58# ./fnb58_dump.sh
connect to 98:DA:B0:01:D6:15: Function not implemented (38)

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