I have an old tablet with that horrible MicroUSB 3.0 that would be awesome with USB-C, but I quickly figured that it would be an horrendous job, possibly impossible due to space. Though I also had this idea about fully converting MicroUSB to USB-C with full data support and whatnot. There's power, ground and CC pins, doubled for each side (which I'm not sure why, as it seems that if I only solder one side of power and ground - but solder both CC pins correctly -, it works) I was very confused about downstream and upstream paths and couldn't see that all I needed was a very simple 5kOhm resistor. I actually just wanted to change the MicroUSB ports to USB-C from charge-only devices, and all I needed was a pull-down resistor at each of the CC pins. At the time I wrote this, I had very little knowledge about even what I wanted to do. This will definitely help me down the road. I've tried with dumb (USB-A or USB-C without PD capabilities) and smart (USB-C with PD and even an USB-C phone) chargers and they all worked great, so I'm not sure if I'm causing harm in the long run, or if I'll encounter a cable or charger that will refuse to work (or damage it) Your flair says you're an USB-C expert, and I'd love to know why am I wrong in this case (I'm sure I'm wrong, because there wouldn't be two pins otherwise). However I used a single 4.7kOhm resistor and soldered both CC pins together, as I figured it wouldn't matter much because in the end, both resistors would end up connected at the same ground anyway. Was a 4.7kOhm resistor, so I used it through the project. I didn't had a 56k resistor, I wouldn't be able to buy a resistor 'til tuesday due to a holiday, so out of frustration I ended up jamming a random resistor at the CC pin and ground pin, and it worked. This is definitely the link I needed for this project and future endeavors. I thought that my device, which was supposed to receive the current, was the "downstream flow", so I considered the 56k resistor.
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