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Timeline for GPIO pin PULL_DOWN would

Current License: CC BY-SA 4.0

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S Aug 12, 2024 at 22:00 history suggested mfru CC BY-SA 4.0
removed SOLVED in title as per https://raspberrypi.meta.stackexchange.com/questions/2382/please-do-not-put-solved-in-question-titles?cb=1
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Oct 16, 2022 at 20:44 comment added Gil Could you post a schematic, not a frizzy picture showing all connections including power and ground.
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Sep 20, 2021 at 8:00 history edited Milliways CC BY-SA 4.0
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Dec 26, 2018 at 16:58 answer added Ghanima timeline score: 0
Oct 4, 2014 at 22:34 comment added joan That is good :-)
Oct 4, 2014 at 22:11 comment added CronbachAlpha It was the Pi's ground... Thank you so much, never thought of that… Again thank you!!!! working now:)
Oct 4, 2014 at 22:03 comment added joan If the software works when you replace the Arduino wire with a Pi wire that leaves two possibilities, 1) the Arduino wire high voltage is less than 2.5V, or 2) the Pi's ground is not connected to the Arduino ground.
Oct 4, 2014 at 21:33 comment added CronbachAlpha The GPIO_06 refers to the expansion header number 22. And yes, the software is referring to the same pin as I have connected. I have also tested the program with just the 3.3V pin on the RPi and the same GPIO pin and it works, the state changes and the program write the change. “Similarly is the alert cancelled if you connect ground to the pin?” are you referring to the RPi with its own 3.3V pin?
Oct 4, 2014 at 20:25 comment added joan What is gpio pin 6? Do you know the Broadcom gpio number and the pin number on the expansion header? Are you sure that the software is referring to the same pin as the one you have connected? Does the software work if you disconnect the Arduino wire and connect 3V to the pin? Similarly is the alert cancelled if you connect ground to the pin?
Oct 4, 2014 at 20:16 review First posts
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Oct 4, 2014 at 20:14 history asked CronbachAlpha CC BY-SA 3.0