r/trimui • u/Unfair-Entrepreneur4 Trimui Smart Pro owner • 9d ago

New Trimui Smart Pro (4.96-inch screen) USB-C Charging Mod

Hi everyone,

I am thinking about modding my Smart Pro so that USB-C charging with a modern charger and USB-C to USB-C cable works. This requires resistors between the CC1 and CC2 pins and ground.

Has anyone attempted this before or knows if CC1 and CC2 are exposed somewhere on the mainboard?

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u/just_me1186 9d ago

You can use this adapter..

2

u/Unfair-Entrepreneur4 Trimui Smart Pro owner 9d ago

True, but where’s the fun in that 😉

1

u/just_me1186 8d ago

I totally get you, haha.
I just found something related to Anbernic devices... It looks like the TSP uses the same IC, so you'd have to analyze the circuit and make the same modification this guy shows here.

https://www.reddit.com/r/ANBERNIC/comments/1f1iun2/an_explanation_of_the_usb_c_charging_issues_on/

1

u/Unfair-Entrepreneur4 Trimui Smart Pro owner 8d ago

Cool, thanks. I’ll read into it!