On 11/06/2018 20:00, RobH wrote:
> On 11/06/18 18:40, RobH wrote:
>> On 11/06/18 14:11, Dennis Lee Bieber wrote:
>>> On Mon, 11 Jun 2018 13:51:28 +0100, RobH 
>>> declaimed the
>>> following:
>>>
>>>>
>>>> If it means anything, the camera red led is lit, which I assume the
>>>> camera is working. How can I check the sensor?
>>>>
>>>     That may only reflect that you have /power/ to the board.
>>>
>>>> I have checked the gpio pins and they are reading what they should, ie
>>>> 5v between live and ground, and 0v between motion pin and the 5v pin.
>>>>
>>>
>>>     Uhm... 0v between "motion pin" and 5v pin means the "motion pin"
>>> is at
>>> 5v also...
>>>
>>>     BUT! RPi GPIOs are 3.3V inputs...
>>>
http://www.mosaic-industries.com/embedded-systems/microcontroller-projects/rasp
berry-pi/gpio-pin-electrical-specifications#rpi-gpio-input-voltage-and-output-c
urrent-limitations
>>>
>>>
>>> A 5V signal on that "motion pin" could easily result in burning out
>>> the RPi
>>> GPIO (if you are lucky, only the one GPIO will be killed)
>>> http://www.notenoughtech.com/raspberry-pi/rpi-gpio/
>>>
>>>
>>>
>>
>> Thanks , but, I followed the destructions from this:
>>
>> https://www.youtube.com/watch?v=ZC_sEW3_694
>>
>> Start watching from 24.22 minutes. This where he says what to wire
>> upto which pins on the PiZero board, and the pin 2 is definitely 5v.
>> Well that is what it says it is.
>>
>> Regarding 0v between motion pin and the 5v pin, means that I just
>> checked that, and maybe I shouldn't have done that.
>> The video will make it more clear I hope.
>
> I have just tried the camera and sensor again , this time on the bench,
> and now I am getting:
> mmal: Cannot read camera info, keeping the defaults for OV5647
> Then a bit further down it says:
> mmal: Camera is not detected.
>
> So basically the camera is kaput?
>
> It's weird how one day it was working fine then another day not at all.
>
> Oh well , C'est la vie
Send it to me and I'll check it on one of my Pizeros. If it works FB
I'll send it back to you.

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