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geekhack Community => Keyboards => Topic started by: Phenix on Thu, 13 July 2017, 04:16:24

Title: IPAD PRO + keyboard = strange behaviour. help me?
Post by: Phenix on Thu, 13 July 2017, 04:16:24

I own a ipad pro for 3 weeks or so now.
I built up a chain:
-lightning OTG cable
-USB 3.0 hub (without it wouldnt work at all)
-keyboard (b. mini, ergodox)

my problem is that it works for somewhat 2 minutes.
Then it says
"accessory not supported", it stops working.

replugging doesnt fix it. I have to restart the ipad prp, after I get the same errors.

Has someone a idea?

Title: Re: IPAD PRO + keyboard = strange behaviour. help me?
Post by: tp4tissue on Thu, 13 July 2017, 08:15:33

my guess is it's probably drawing too many amps.

is this a powered hub or an unpowered,  try a powered hub..

Title: Re: IPAD PRO + keyboard = strange behaviour. help me?
Post by: SBJ on Thu, 13 July 2017, 10:10:39

I googled very briefly and you're far from the only person having this issue.
Some people seem to think it's a software bug that Apple needs to fix.

Title: Re: IPAD PRO + keyboard = strange behaviour. help me?
Post by: Phenix on Thu, 13 July 2017, 10:36:29

using a powered hub is no optiin. after all its aim is portable: I dont feel like hunting a wall charger everywhere

Title: Re: IPAD PRO + keyboard = strange behaviour. help me?
Post by: Abradolf on Thu, 13 July 2017, 11:51:06

Quote from: Phenix on Thu, 13 July 2017, 04:16:24

I own a ipad pro for 3 weeks or so now.
I built up a chain:
-lightning OTG cable
-USB 3.0 hub (without it wouldnt work at all)
-keyboard (b. mini, ergodox)

my problem is that it works for somewhat 2 minutes.
Then it says
"accessory not supported", it stops working.

replugging doesnt fix it. I have to restart the ipad prp, after I get the same errors.

Has someone a idea?

Same problem with iPad Pro 12.9 (1st Gen) almost same setup, diff keyboards.  Never found a solution.  Gave in and just use the official keyboard that apple sells for the ipad pro. 

Title: Re: IPAD PRO + keyboard = strange behaviour. help me?
Post by: Phenix on Thu, 13 July 2017, 14:18:58

Quote from: Abradolf on Thu, 13 July 2017, 11:51:06

Quote from: Phenix on Thu, 13 July 2017, 04:16:24

I own a ipad pro for 3 weeks or so now.
I built up a chain:
-lightning OTG cable
-USB 3.0 hub (without it wouldnt work at all)
-keyboard (b. mini, ergodox)

my problem is that it works for somewhat 2 minutes.
Then it says
"accessory not supported", it stops working.

replugging doesnt fix it. I have to restart the ipad prp, after I get the same errors.

Has someone a idea?

Same problem with iPad Pro 12.9 (1st Gen) almost same setup, diff keyboards.  Never found a solution.  Gave in and just use the official keyboard that apple sells for the ipad pro.

No way I gonna buy that. Will try my luck with Bluetooth boards then: hhkb jp bt could work out nicely.

Title: Re: IPAD PRO + keyboard = strange behaviour. help me?
Post by: kurplop on Thu, 13 July 2017, 14:54:53

If the problem is too much current draw, could you reroute the USB power wires and hotwire  the keyboard with batteries?

Title: Re: IPAD PRO + keyboard = strange behaviour. help me?
Post by: zslane on Thu, 13 July 2017, 15:31:03

I agree with others who have chimed in that this is a power draw problem.

I have used small keyboards that do not draw excessive power successfully (Vortex Pok3r, KBP V60 mini), but only to a point. iOS will reboot itself with every push notification retrieval cycle when such devices are connected and the USB is in an idle state (i.e., the keyboard is not actively being used). I doubt Apple will ever fix this.

I've started using Bluetooth keyboards instead. I am using the Plum Nano 75 now, and it works flawlessly.

Title: Re: IPAD PRO + keyboard = strange behaviour. help me?
Post by: DaBubbs on Thu, 13 July 2017, 15:50:03

I will throw another vote for bluetooth.

I could only get the Apple keyboard to work on my iPad Pro via physical connection. I have never had an issue with a bluetooth keyboard.