Here's a picture of the Ralink wifi that came with my Eken M001.
Now, since I've desoldered it and forgotten which pin was which, I can't seem to determine the right four (4) pins on the wifi PCB, as it has atleast 8 usable pins.
If you look closely, you'll see white text with GND, U+, U- and 5V.
Should I just short circuit them to create "pairs"?
Been trying tons of different pin combinations, and I noticed that if I solder +5V and GND like in the following picture, wifi turns on and off like it's supposed to, including the LED, it just doesn't find any networks.
That either means that only the data pins need to be in the correct pins, or GND/+5V needs to be applied to more than one pin. :-/
Been trying tons of different pin combinations, and I noticed that if I solder +5V and GND like in the following picture, wifi turns on and off like it's supposed to, including the LED, it just doesn't find any networks.
That either means that only the data pins need to be in the correct pins, or GND/+5V needs to be applied to more than one pin. :-/
Sorry to hear about your problem, my M001 WIFI only has 4 connectors on it... makes it a lot easier to solder. What is the model number on the card? Maybe we can figure it out from there.
According to the statement above you only connected the +5 and GND, did you connect the data wires too?
Are the two +5v connected on the board? Same question for the U-, U+, and GND?
If I were you I'd solder to the 4 solder points not the 5. I can't think of what the 5th connection is.
Now, the top row has 1 + 4 pins, I take it that the first one is "RF". On top of the top row it reads "LED - RF - GND - U+ - U- - 5V".
The lower row has 1 + 5, which just feels funny as USB has 4 pins, however using the two pins (pin "two" and pin "six") for GND and +5V I'm getting the card recognized by Android. Atleast that's how I'd interpret the fact that the wifi LED works as expected and it can auto turn on/off after it can't find anything.
I guess saying that I've tried "tons of different combinations" doesn't really say much, eh.
I've tried using the top row pins in the same order as the white text is, so GND, D+, D-, 5V, but that screws it up even further. I've also tried using the GND and +5V pins in the picture, and tried changing the pins between the three pins in between.
What I'm really amazed at is that this is a Rev7 board, I've had this for a year now and I still haven't seen the same wifi card in anyone elses pictures. The wifi card's PCB only has markings that say "v33", nothing else really, though the chip is an RT3070L. I'll try to see if the board/chip has any extra info that might help.
I had to replace a broken wifi card. I did a search on ebay for RT3070L and found an adapter that worked for around $8 shipped. I pulled the card out of it and soldered it into my m001.
I had the same problem , in android it supposed to be rt2870 chip , but in my had a realtek 8188cus chip , so it was non standard.
I dropped the realtek int the bin , and soldered a rt3070 usb adapter in , works amazingly better. But one thing is bothering me , the back of my eken m002 got twice as hot as it supposed to be, but still works fine.
Anyone want to rebould what i did ? Reply me and i upload my things to somewhere to share.
Hi , i dont know if you still looking for help , but i think the pins you need to connect :
vcc (+)
v- ( data - )
v+ ( data + )
gnd
if you have the wire inside the tablet as standard as m002 you need to connect the following:
gray : connect to vcc
black : connect to data - ( v - )
red : connect to data + ( v + )
green : connect to gnd
maybe this helps, should give it a try , i changed my wifi in the eken m002 , and soldered a rt3070 usb adapter in , so the pin outs are the exact i wrote.
I hope this helps.
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Related Threads
?
?
?
?
?
Android Tablets Forum
551.1K posts
227K members
Since 2010
A forum community dedicated to Android Tablet owners and enthusiasts. Come join the discussion about collections, troubleshooting, displays, models, styles, reviews, software, hardware accessories, classifieds, and more!