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micro USB is 15 years old, mini 17. Just after introduction of mini everyone and their dog tried pushing their own slightly tweaked proprietary variant. There w
by rasz 4y ago
micro USB is 15 years old, mini 17. Just after introduction of mini everyone and their dog tried pushing their own slightly tweaked proprietary variant. There were at least 6 separate incompatible shapes. Sony had one (afair different shield bend on the mini connector), Nikon, Canon etc. It gets better, sometimes same connector had different pinouts depending on the brand https://connector.pinoutguide.com/8_pin_UC-E6_like-mini-usb_proprietary/ https://connector.pinoutguide.com/8_pin_UC-E6_like-mini-usb_... thats 8 different pinout for same non standard connector.
Nowadays only one brand is against interoperability.
- dwaite 4y agomicro and mini USB both had three variants - A, B, and A/B - as part of USB OTG (On the Go). This is because they wanted you to be able to connect a computer to a camera, but also to be able to connect that camera to a printer.