usb power

While trying to figure out the issues with noise on USB bus, I have realised it might be due to the widely reported fucked-up bad implementation of USB on X570/B550 chipsets. After a quick study of what's currently available from various factories in CN, I have narrowed it down to the following...

Greetings from the amateur experimental avionics hackers and users community. I'm looking for the simplest DAC device that can provide power and audio through a single USB cable to an Android or iOS tablet like this one, and provide a single analog mic/phone interface. A single-channel...

I have a new in box LA-QXD1 silver color for sale. Purchased from Amazon and will provide proof of purchase to buyer. Selling for 200 plus shipping and insurance. The picture listed is not the actual DAC since it is in the box. I will take...