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GPIO pins of 2G/3G/4G IoT inkompatible to RasPi

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Published in 2020-4-10 00:10:01 | Show all floors |Read mode
Edited by mkgokp7s at 2020-4-10 05:35

The 40-pin connector is 180° turned related to RasPi. So all HATs have to be mounted turned too - the HAT is not on top, above the Pi board, but aside. Therefore it's difficult to mount them.
When looking to all OrPi types, it looks like some are turned and some are same as RasPi.

Is there any benefit by this design?
Published in 2020-6-4 00:44:15 | Show all floors
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 Author| Published in 2021-1-21 04:06:31 | Show all floors
...furthermore I just saw that the GPIO voltage is much different from RasPi standard - so all the boards available on the markets will not work:
2G-IoT have 2,8V
3G-IoT have 1,8V
4G-IoT have 1,8V
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