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amr nabil commented on robertferanec's reply to I2C problem

in Your Projects, Technical Discussion

04-23-2018, 04:00 AM
dear Robert,
thanks a lot for your reply, the translator is for different voltage levels between CPU(3.3V) and the capacitive touch(1.8V).
...

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amr nabil replied to I2C problem

in Your Projects, Technical Discussion

04-10-2018, 06:46 AM
1- I am not sure how we can connect this coil
2- we use 2.2 Kohm
3- our PCB is 6 layers with this arrangement "1-Top(signal) ,2-GND ,3-Signal(POWER...

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amr nabil replied to I2C problem

in Your Projects, Technical Discussion

04-10-2018, 06:42 AM
thanks a lot for your help, we use 2.2 K ohm...

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amr nabil replied to I2C problem

in Your Projects, Technical Discussion

04-10-2018, 04:20 AM
the power supply IC is AXP209
also a question please, how to make a good grounding for display+touch screen???
during disassembly the problem...

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amr nabil replied to I2C problem

in Your Projects, Technical Discussion

04-10-2018, 03:45 AM
I hope this picture of our PCB help...

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amr nabil started a topic I2C problem

in Your Projects, Technical Discussion

03-27-2018, 08:52 AM
I2C problem

Hi all,

We are developing a tablet board which has android platform during studying your "Advanced PCB Layout Course" .
...

3 Photos

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