Your iPhone and iPad have a whole host of amazing features. You can always extend their capabilities by connecting keyboards and other gadgets to them. Here are 2 iOS Lightning to USB OTG cables that let you do just that:
iOS Lightning to USB OTG Cable: adds a USB port to your iPhone. Lets you connect a HID keyboard and MIDI devices to your phone. Keep in mind that you can’t use it to connect a storage device to your phone.
HENKUR USB Camera Adapter: a USB camera adapter for transferring photos and videos from your camera to your iOS device. You can power it with a USB power adapter to handle heavy-current devices.
You can also order official adapters from Apple if you are just looking to download photos from your digital camera to your iOS device. Have you found better Lightning to USB adapters? Please share them here.