Help USB OTG duel connection

[JAy3001]

If you were to connect a duel USB OTG dongle or cable to your smart phone could you connect 2 devices at the same time such as a keyboard and mouse?

I am thinking yes, but am not sure. When reading the specs it would appear so:

https://en.m.wikipedia.org/wiki/USB_On-The-Go

Attaching two OTG-enabled devices together requires either an adapter in conjunction with the slave device's USB-A cable, or an appropriate dual-sided cable and a software implementation to manage it. This is becoming commonplace with USB Type-C devices.

Just not sure if additional software would be required.

 

[Deleted User]

I was asking myself the very same question recently. The fact that multi port OTG cables exist, seems to indicate it's possible.

I was also wondering about the possibilities of connecting up an external monitor to my phone.

 

[JAy3001]

Blooming auto correct added "fuel" to my title.

Would be nice to find out @LV426 If nobody has any experience in this I might just have to buy one and try it out myself..

 

[Unforgiven]

Blooming auto correct added "fuel" to my title

Fixed.

 

[Deleted User]

This looks like a handy little gadget

https://www.amazon.co.uk/dp/B07MCHZ...&pd_rd_r=1503d9e2-6b45-11e9-a10c-5b4f5269e768

Loads of ports. Connect up your keyboard, mouse, game controller, and have output on a nice big external monitor.

 

[psionandy]

Whenever ive had to do it... I have a little usb hub that goes in... And i use it that way.

 

[JAy3001]

Thank you @Unforgiven

Damn! That looks like a sweet bit of kit @LV426 I dont need anything close to that monster. For testing I'm going to hit one of these:

https://www.amazon.co.uk/dp/B07D5TS8KH/ref=cm_sw_r_cp_apa_i_oikYCbC1WTPJ0

As I already have a set of USB OTG dongles, hopefully they play well together!

https://www.amazon.co.uk/dp/B01MYPX7Y8?ref=ppx_pop_mob_ap_share

 

[kate]

For testing I'm going to hit one of these:

https://www.amazon.co.uk/dp/B07D5TS8KH/ref=cm_sw_r_cp_apa_i_oikYCbC1WTPJ0

I've had three devices simultaneously connected to a phone through a USB hub:

USB flash drive
Mouse
Keyboard

The phone could use all three at the same time and the USB hub power supply wasn't needed.

 

[JAy3001]

My device arrived today so will give it a test later. Thanks for the information @kate

 

[Paul Keenan]

So, to take it one step further, if I need to also charge my cell phone while using a mouse and keyboard through a USB hub connected to my phone's OTG cable, will something like IoGear's GUH3C4PD work? In other words, use a cell phone instead of the laptop in the diagram below. Or could this damage the phone? Also, would it be better to use a powered USB hub? BTW, I connected a standard USB hub to my cell's OTG input and I was able to use a wireless mouse and a wired keyboard just fine. However, that hub did not provide the Power Delivery "pass through" so I am curious if the below connection would play nice with an Android cell. TIA for any feedback.

... I just realized that the USB-C output cable on the hub is not OTG so the cell phone would not behave like a host but it would remain as a peripheral ... this would probably damage the cell phone ... unless ... Could I connect my OTG cable to the phone and then, somehow, connect the USB-C hub output to the free end of the OTG cable ???????