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Interfacing PIC18F4550 with Arduino Nano

RX and TX can be confusing, make sure to check both datasheets to confirm the direction of each pin and make yourself a note by drawing an arrow on each and do the same for the other chip too. It ...
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Please help identify these 2.0mm pitch wafer wire to board connectors

For those that find this question later: These are called "HY2.0 2.0mm Connectors". The 4pin version seems to also be used by Arduino Grove sensors. The HY2.0 connectors are made by many ...
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Please help identify these 2.0mm pitch wafer wire to board connectors

Thank you for providing clear and complete information. It allowed me to use my Connector Identification Utility that lists these possibilities: MANUF. - SERIES JST - PA JST - PA + PAF Molex - Micro-...
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USART stop bit not pulled high during nRF update

The problem was the clock setting (low accuracy clock was used probably) solution is here: https://devzone.nordicsemi.com/f/nordic-q-a/87580/issue-with-updating-nrf52832-over-usart ...
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How to avoid noise on serial connection?

I've seen this kind of issue when you get ground noise between the boards (Jetson and motor drive). Make sure the ground current for the motor does not flow on the ground line between the jetson and ...
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