<div dir="ltr"><div><div>Hmm. Pretty interesting. A quick search on sparkfun ( <a href="http://sparkfun.com">http://sparkfun.com</a> ) turns up an Arduino shield using the RT5350, which looks to my untutored eye like a pretty similar part. The sparkfun shield costs, like, $60, so it might be worthwhile to get this one working. <br><br></div>I take it the chips are SMD ed to the daughterboard? That means you are probably not going to be able to un-solder them from the carrier. Sounds like you have some poking around to do to figure out what is going on in there. USB is only 4 wires, so you have two unknowns. They could be extra power, extra ground, or even just there to strengthen the physical connection to the motherboard. <br><br>As a first step, I'd power on the tablet (assuming it's still un-broken enough to do that) and use a multimeter to try to figure out which connection(s) is//are vcc and which is//are ground. An oscilloscope might hint at which of those 6 lines are carrying data.<br><br></div>-- CHS<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Nov 14, 2016 at 3:29 PM, Boris Borisov <span dir="ltr"><<a href="mailto:bugyatl@gmail.com" target="_blank">bugyatl@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div>I have broken cheapo tablet from which i'm thinking to salvage the wireless module. The module is rtl8188eus mounted on small half by half inch PCB. This small board is soldered in 6 points to the mainboard i think easy to take out.<br><br><br></div>1. I assume the board is connected via USB but no certain?<br><br></div>2. Anyone done it to give some advice?<br><br></div></div>
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