USB power meter/tester thread - YZXStudio, Power-Z, RDTech and more.

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RD tech
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did you solve the problem by turning on both switch

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RD tech
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xnode wrote:
Ok finally found how to turn on TC66C meter when it’s standalone connected to PD port of Baseus BS-C20C. You need C physical switch on (POWER) + D physical switch on (POWER DELIVERY) + AG virtual setting ON on Settings menu (CC line mode choice / PD SOFTSWITCH). The 3 are required enabled to turn on. I had the AG setting off thus didn’t turn on without load even with the other two on.

you are professional

If you have any interest in USB tester or power supply, please contact me
this is my shop on Aliexpress: https://rdtech.aliexpress.com/store/923042

xnode
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RD tech wrote:
you are professional

Hello again, I’ve found another issue with TC66C and Baseus BS-C20C:

Connect TC66C to Baseus in PROTOCOL DETECTION mode, then use a power supply to power the Baseus.
1- Set power supply to 13 vols and do protocol detection
2- When finished, increase power supply voltage from 13 to 24, with power supply still ON, do not disconnect voltage source.
3- Now when trying to perform protocol detection again the TC66C turns off and on again.
4- Same thing happens when lowering voltage from 24 to 13
5- Happens on both USB-A and USB-C port
6- Other Baseus car chargers that don’t have 20V output the issue does not happen.

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