Hi,
could someone tell me what the pinout of amazfit stratos 2 charging dock is?
I know the internal two pins are D+ and D-, but which one is GND and 5V from the external one?
Could someone measure and post a picture - I lost my charging dock and want to build a new one.
Thank you very much.
As it is with probably all chargers out there, left is +5V, right is GND (pins on top of charger, of course).
Code:
+5V D+ D- GND
( )
lfom said:
As it is with probably all chargers out there, left is +5V, right is GND (pins on top of charger, of course).
Code:
+5V D+ D- GND
( )
Click to expand...
Click to collapse
thank you.
If you are here looking for the same question, but your watch is STRATOS 3. Bear in mind that pinout is opposite from STRATOS 2!
cheers.
tyjollo said:
If you are here looking for the same question, but your watch is STRATOS 3. Bear in mind that pinout is opposite from STRATOS 2!
cheers.
Click to expand...
Click to collapse
Means that D+/D- are Changes Position, right?
Related
can someone point me to some car chargers, that have dual input(able to charge 2 items at the same time),but i need that full 1amp power so i can keep my note charging WHILE using it
thanks in advance
OEM chargers preferred
SayWhat10 said:
can someone point me to some car chargers, that have dual input(able to charge 2 items at the same time),but i need that full 1amp power so i can keep my note charging WHILE using it
thanks in advance
OEM chargers preferred
Click to expand...
Click to collapse
I haven't come across a dual USB charger that will put 1A into an Android phone out of the box. If you don't mind buying a USB cable that has the data pins shorted (so the phone recognizes it as a dedicated charger), then the Griffin Powerjolt dual USB car charger (1A each port) is nice.
http://www.walmart.com/ip/16940656?adid=22222222227000891117&wmlspartner=wlpa&wl0=&wl1=g&wl2=&wl3=13695927550&wl4=&wl5=pla&veh=sem
The Note will only charge at about 1/2A until you use cables with the data pins shorted together (I shorted the data pins inside the charger).
It looks nice (almost like in came with the car since it sits about flush with your dash). I can confirm it can put 1A into the Note (using Current Widget).
mtucker said:
I haven't come across a dual USB charger that will put 1A into an Android phone out of the box. If you don't mind buying a USB cable that has the data pins shorted (so the phone recognizes it as a dedicated charger), then the Griffin Powerjolt dual USB car charger (1A each port) is nice.
http://www.walmart.com/ip/16940656?adid=22222222227000891117&wmlspartner=wlpa&wl0=&wl1=g&wl2=&wl3=13695927550&wl4=&wl5=pla&veh=sem
The Note will only charge at about 1/2A until you use cables with the data pins shorted together (I shorted the data pins inside the charger).
It looks nice (almost like in came with the car since it sits about flush with your dash). I can confirm it can put 1A into the Note (using Current Widget).
Click to expand...
Click to collapse
So it's not the car adapter that's not putting out 1A, it's the USB cable? If I were to use any car adapter + charging USB cable, my GNote would charge at full rate?
Also: how do I know if my USB cable is strictly charging or charging + data?
tizzy said:
So it's not the car adapter that's not putting out 1A, it's the USB cable? If I were to use any car adapter + charging USB cable, my GNote would charge at full rate?
Also: how do I know if my USB cable is strictly charging or charging + data?
Click to expand...
Click to collapse
The charger has to be capable of putting out 1A or more for our Notes. If the voltage regulator inside the charger can't put out >=1A, then having the data pins shorted won't do any good. But if it can put out 1A+ and you don't have the data pins shorted, then the Note won't draw the full 1A. A lot of car chargers capable of 1A+ don't have the data pins shorted. I have read some people have luck with a OEM Motorola (1A out of the box) and I believe there is at least one Rocketfish charger (sold at Bestbuy) that gives 1A out of the box (although it only has one USB output). The problem is most chargers are meant to be compatible with iDevices and don't try to comply with the USB spec.
Most likely the data pins aren't shorted on any cable you have. Even if you have a charge only cable, it is probably just missing the data wires (not shorted). A few guys at work were buying cables off Ebay that were purposely made to have the data pins shorted. There are a few threads here on XDA (in the Note sections) that discuss various chargers and the need to short the data pins together.
Here is a discussion about a dual USB charger and charging Notes in general. http://forum.xda-developers.com/showthread.php?t=1720992
To the OP:
I just bought this off ebay: http://www.ebay.com/itm/ws/eBayISAPI.dll?ViewItem&item=170834845305&ssPageName=ADME:L:OU:CA:3160
It's a dual port, 2.1A and 1A output, I guess the device draws current as needed?
---------- Post added at 01:43 PM ---------- Previous post was at 01:37 PM ----------
mtucker said:
The charger has to be capable of putting out 1A or more for our Notes. If the voltage regulator inside the charger can't put out >=1A, then having the data pins shorted won't do any good. But if it can put out 1A+ and you don't have the data pins shorted, then the Note won't draw the full 1A. A lot of car chargers capable of 1A+ don't have the data pins shorted. I have read some people have luck with a OEM Motorola (1A out of the box) and I believe there is at least one Rocketfish charger (sold at Bestbuy) that gives 1A out of the box (although it only has one USB output). The problem is most chargers are meant to be compatible with iDevices and don't try to comply with the USB spec.
Most likely the data pins aren't shorted on any cable you have. Even if you have a charge only cable, it is probably just missing the data wires (not shorted). A few guys at work were buying cables off Ebay that were purposely made to have the data pins shorted. There are a few threads here on XDA (in the Note sections) that discuss various chargers and the need to short the data pins together.
Here is a discussion about a dual USB charger and charging Notes in general. http://forum.xda-developers.com/showthread.php?t=1720992
Click to expand...
Click to collapse
I bought a bluetooth FM transmitter, and it came with charging cables. I know they are charging cables because it doesn't work as data transfer. Do you think the pins are shorted, or the wires are absent? Any way I can check?
mtucker said:
I haven't come across a dual USB charger that will put 1A into an Android phone out of the box. If you don't mind buying a USB cable that has the data pins shorted (so the phone recognizes it as a dedicated charger), then the Griffin Powerjolt dual USB car charger (1A each port) is nice.
http://www.walmart.com/ip/16940656?adid=22222222227000891117&wmlspartner=wlpa&wl0=&wl1=g&wl2=&wl3=13695927550&wl4=&wl5=pla&veh=sem
The Note will only charge at about 1/2A until you use cables with the data pins shorted together (I shorted the data pins inside the charger).
It looks nice (almost like in came with the car since it sits about flush with your dash). I can confirm it can put 1A into the Note (using Current Widget).
Click to expand...
Click to collapse
thanks for the info,im going to buy but found it a lil cheaper on amazon: http://www.amazon.com/Griffin-Power...UTF8&qid=1342386999&sr=8-1&keywords=powerjolt
but can you point me to where to find data cables (power cables) that are already shorted though?
tizzy said:
To the OP:
I just bought this off ebay: http://www.ebay.com/itm/ws/eBayISAPI.dll?ViewItem&item=170834845305&ssPageName=ADME:L:OU:CA:3160
It's a dual port, 2.1A and 1A output, I guess the device draws current as needed?
---------- Post added at 01:43 PM ---------- Previous post was at 01:37 PM ----------
I bought a bluetooth FM transmitter, and it came with charging cables. I know they are charging cables because it doesn't work as data transfer. Do you think the pins are shorted, or the wires are absent? Any way I can check?
Click to expand...
Click to collapse
i used the voltage widget(as he mentioned) to check and see if it puts out 1am
just download/install the widget,plug into phone, and see what the widget says
if its 5,000 or less, then its running at only .5 amp
i see at least 9,000 (though it should be 10,000 or so) when 1amp is running
If you don't want to cut into a cable and solder, you can use:
http://www.amazon.com/Smart-Adapter...UTF8&colid=7NRVJS6JI4DY&coliid=I3TYTQBSNKZ4GK
With shipping, its kind of expensive. I ordered a few (shipping costs the same as for 1) and put one in the car because, without it, the cable I was using only charged at 500 ma.
Jim Dead said:
If you don't want to cut into a cable and solder, you can use:
http://www.amazon.com/Smart-Adapter...UTF8&colid=7NRVJS6JI4DY&coliid=I3TYTQBSNKZ4GK
With shipping, its kind of expensive. I ordered a few (shipping costs the same as for 1) and put one in the car because, without it, the cable I was using only charged at 500 ma.
Click to expand...
Click to collapse
thanks but i already tried that
it worked great for about a month (full 1amp) but now its conked out on me
so i was trying to go the shorted charger route this time, instead of an adapter
is there an instruction book somewhere that shows how to short cable?
I cant post a link...AT&T stores sell these, At&T website has info on them as well.
They are 30.00
Scosche reVOLT c2 Low Profile Car Charger- Dual 2.1A USB
Low-Profile Dual USB Car Charger. Dual 10 Watt (2.1A) USB ports can charge two iPads at once. Ultra low-profile design fits flush in most power sockets. This dual USB port car charger packs colossal power into a modest frame.
Car charger allows you to charge 2 devices at once - even 2 iPads simultaneously.
Each USB port has been designed to supply 10 Watts (2.1A) of power.
Dual 10 Watt (2.1A) USB ports can charge two iPads at once
Use your existing USB cables to charge your favorite devices
Ultra low-profile car adapter fits flush in most power sockets
RocketManOO7 said:
I cant post a link...AT&T stores sell these, At&T website has info on them as well.
They are 30.00
Scosche reVOLT c2 Low Profile Car Charger- Dual 2.1A USB
Low-Profile Dual USB Car Charger. Dual 10 Watt (2.1A) USB ports can charge two iPads at once. Ultra low-profile design fits flush in most power sockets. This dual USB port car charger packs colossal power into a modest frame.
Car charger allows you to charge 2 devices at once - even 2 iPads simultaneously.
Each USB port has been designed to supply 10 Watts (2.1A) of power.
Dual 10 Watt (2.1A) USB ports can charge two iPads at once
Use your existing USB cables to charge your favorite devices
Ultra low-profile car adapter fits flush in most power sockets
Click to expand...
Click to collapse
yeh but this requires you to use your own USB cables
the USB cables that are shorted is what i dont have
thats what im looking for.........
Best buy sells a rocket fish micro usb premium car charger that works great and it has a extra usb port up top. It's what I use.
Sent from my SAMSUNG-SGH-I717 using xda premium
SayWhat10 said:
yeh but this requires you to use your own USB cables
the USB cables that are shorted is what i dont have
thats what im looking for.........
Click to expand...
Click to collapse
I've bought several of different lengths on eBay. That's what I use.
RocketManOO7 said:
I've bought several of different lengths on eBay. That's what I use.
Click to expand...
Click to collapse
shorted
not short cables
pussyliquor said:
Best buy sells a rocket fish micro usb premium car charger that works great and it has a extra usb port up top. It's what I use.
Sent from my SAMSUNG-SGH-I717 using xda premium
Click to expand...
Click to collapse
is it 1amp tho?
Guys I lost my Gear's charger, not the cradle. Until I buy a original charger I will use a secondary charger. But for this I need to know the output of charger. Please, anyone could help me? REGARDS
Given the Gear S w/ cradle only has 300mah + 300mah battery to charge, any cell phone charger with microUSB will work. Even a PC USB port should work. I didn't even bother take the original AC charger out of the box. Using my alarm clock's USB port for charging every day even when it is totally dead without problem. So, anything with a USB port will work. You don't need to buy the original AC adapter.
Does anyone know how the charging pins on the Gear S are configured?
You guys got a charging cord and adapter?
BAD ASS NOTE 4 + BAD ASS GEAR S
.....but could you theoretically or actually damage the cradle charger (or less likely i guess, the device itself) if you connected it to a charger with too high an output ?
eg i heard conflicting reports about whether it was safe to use the "wrong" charger for my various MacBooks - these might have anything from 45 - 65 -85w output etc - if i left the proper charger at work could i use any charger lying around at home with the same "magsafe" connecter ?
I was told don't do that versus don't worry the device will only draw the current it needs
alanshortt said:
.....but could you theoretically or actually damage the cradle charger (or less likely i guess, the device itself) if you connected it to a charger with too high an output ?
eg i heard conflicting reports about whether it was safe to use the "wrong" charger for my various MacBooks - these might have anything from 45 - 65 -85w output etc - if i left the proper charger at work could i use any charger lying around at home with the same "magsafe" connecter ?
I was told don't do that versus don't worry the device will only draw the current it needs
Click to expand...
Click to collapse
No. USB chargers output the same voltage (5V) and varies in current output capability. The adapter won't/can't output more current than the other end (your cradle) requested for. The only time it won't work is if your device need more amperage for charging and the adapter can't supply that much, e.g. a lot of cell phones requires 1000+ ma of amperage for charging but a lot of generic USB chargers can only output 500ma. This results in not able to charge when battery is almost dead.
As mentioned above, the watch has a tiny battery and only requires very little current for charging.
The official AC adapter for watch is labeled 5V 700ma.
Foxbat thx to the answers!
psicolizzard said:
Guys I lost my Gear's charger, not the cradle. Until I buy a original charger I will use a secondary charger. But for this I need to know the output of charger. Please, anyone could help me? REGARDS
Click to expand...
Click to collapse
The wall wart for the Gear S says 5vdc at 0.7 amps. I have used other chargers though, computer usb comes to mind, just use a usb to micro usb cable.
I have a meter, and can check the pins for power on the cradle, if that would help.
Sent from my SAMSUNG-SM-G900A using XDA Free mobile app
drjosephkim said:
Does anyone know how the charging pins on the Gear S are configured?
Click to expand...
Click to collapse
Looking at the pins with them at the bottom of the cradle, micro USB on the right counting 12345
Pin 1 is +5 volts DC
Pin 4 is Negative ground
Pretty darn sure, measured it about 5 times and every other way possible. Same result every time.
If you were looking at the back of the watch then counting the pads 12345
pad 2 is Negative
Pad 5 is 5 volts DC
edited to add pad configuration
chemman said:
Looking at the pins with them at the bottom of the cradle, micro USB on the right counting 12345
Pin 1 is +5 volts DC
Pin 4 is Negative ground
Pretty darn sure, measured it about 5 times and every other way possible. Same result every time.
If you were looking at the back of the watch then counting the pads 12345
pad 2 is Negative
Pad 5 is 5 volts DC
edited to add pad configuration
Click to expand...
Click to collapse
Please post a photo with cradle and the pins order....it's more simple to understand
calinormy said:
Please post a photo with cradle and the pins order....it's more simple to understand
Click to expand...
Click to collapse
As this thread helped me when I missed my cradle for charging, I uploaded a photo for clarification.
The pads at the back of the watch are counted 12345 from left to rigth when holding the watch with SAMSUNG bottom side and SIM card slot on top. See attached jpg.
To avoid electrical damage to the watch, I put some transparent tape over the pads first. Then I carefully scratched little holes through the tape for pad 2 and 5.
Then I was able to charge the Gear S just with holding red and black wires from an old cutted USB cable on these pads (black 2 and red 5).
Next step would be to find a clever way for fixing the tiny wires on these micro pad spots while charging.
I tried with a clothespin and it took ages until it finally stayed fixed. Had to take watch out of the wrist band for this.
Fixing with tape didn't work at all.
Chears, Ulle
You guys mention "mini USB" on the charger cable. My Gear Fit2 came with the cradle hard wired and USB plug in. Are there various charge cradle options for the Fit2?
Pins pictures.
Calinormy you saved my gear S thanks.
As you can see on the attched image, the original cradle from Huami has some electronic components inside.
I would assume that GND, D+ and D- are connected directly while +5V is switched via transistor Q2.
There are two transistors, a z-diode and four resistors on the board which i think is an overvoltage protection that probably didn't fit inside the watch or was added afterwards.
I wonder if these components are also in the cheap cradles you get on Ebay or Aliexpress. Does anyone have one of these and already opened them?
I'm also interested in the answer.
Amazfit charger
Beleriand said:
As you can see on the attched image, the original cradle from Huami has some electronic components inside.
I would assume that GND, D+ and D- are connected directly while +5V is switched via transistor Q2.
There are two transistors, a z-diode and four resistors on the board which i think is an overvoltage protection that probably didn't fit inside the watch or was added afterwards.
I wonder if these components are also in the cheap cradles you get on Ebay or Aliexpress. Does anyone have one of these and already opened them?
Click to expand...
Click to collapse
No, i have buy a charger on gearbest, the same as Aliexpress, and no electronics components Inside. The 4 cable arrive directly on the 4 springs pin ...
I will see the circuit in the original charger to understand, and add myself components on the gearbest charger ... or not ...
Hi mates!
I'm building some USB sockets in a restaurant powered by a supply of 5V 20A and I would like the phones may charge at max rate.
Betwen Samsung and Apple there may be differencs and I would like to disuss with you. I read Apple can charge up to 2A if we put 2,7V on D- and 2V on D+, but there is also charge of 2,4A if both are at 2,7Volt.
1) Do you know if it works with all new iPhones? (both at 2,7Volt)
2) Does the "2,7V on D- and 2V on D+" fits the Samsung too? (for example most recent models, including my S5). Or it will charge at 500mA only?
3) I tried to cut a cable and short D+ and D- but it still charge at 500mA and ask to use the original cable, maybe the cable isn't good enough and it understood it? Shorting the D+ and D- will assure Samsung to charge at 2A?
4) the original charger cable has a particular connector with the micro usb plus and an extender of contacts, I think you undersood what I'm saying, is the extender allowed to bing power too?
It looks strange, if I use that power supply (2Amper) it charges at 900mA, if I use the cover (with battery pack) it charges at 1700mA! How?
Thank you a lot!
Hi again! Anyone here may share his experience?
I just found this for Apple and I've no idea if works on Samsung as well:
D+ / D-
2.0V/2.0V – low power (500mA)
2.0V/2.7V – Apple iPhone (1000mA/5-watt)
2.7V/2.0V – Apple iPad (2100mA/10-watt)
2.7V/2.7V – 12-watt (2400mA, possibly used by Blackberry)
D+/D- shorted together – USB-IF BC 1.2
1.2V/1.2V – Samsung devices
Hello
I need to solder charging wires directly to my motherboard in a Nexus 7 2012- I put it into my car and I just don't have enough space for the USB plug.
So here is what I have done now:
The brown wire is +5V and I will solder the GND wire somewhere, but the real question is, which pins should I short? I heard shorting D+ and D- can help with my slow charging but I have no idea which pins these are on the picture. Can someone tell me which ones to short with a solder blob? Right now the connection I made draws 0.8A of current.