[Cialug] Raspberry Pi HDMI issue

[Jeffrey Ollie]

The CanaKit power supply that I linked to earlier has worked well with my
Pi 3 and the official 7" touchscreen, although I haven't tried attaching
any USB peripherals to it yet.

On Thu, Sep 29, 2016 at 12:43 PM, David Champion <dchamp1337 at gmail.com>
wrote:

> Thanks for the tip.
>
> My "heavy duty" Pi 2 wall wart is 5v 2a, will try a 2.5a or higher one.
>
> -dc
>
> On Thu, Sep 29, 2016 at 12:37 PM, Dan Hockey <icepuck2k at gmail.com> wrote:
>
> > Put a volt meter on one of 5v pins on the gpio. The problem I ran into
> with
> > my first pi 3 was that when hooked up to the 7" touch screen the usb
> ports
> > and wifi would shut off. If the 5v line dropped below 4.8v during boot up
> > even if it for less a second the usb and wifi would shutdown and not come
> > back even after a successful boot up.
> > I used a usb power meter to test my usb wall warts and found that some
> > would not supply 5v, and when using a bad cable made things even worse.
> >
> > On Thu, Sep 29, 2016 at 10:44 AM, David Champion <dchamp1337 at gmail.com>
> > wrote:
> >
> > > I just got a pi 3 and it shows the rainbow screen even with the higher
> > amp
> > > adapter that came with my adafruit pi 2 kit. May need something more
> > > potent.
> > >
> > > -dc
> > >
> > > On Sep 29, 2016 10:14 AM, "L. V. Lammert" <lvl at omnitec.net> wrote:
> > >
> > > > On Thu, 29 Sep 2016, Dan Hockey wrote:
> > > >
> > > > > There will be a rainbow colored square in the upper right corner of
> > the
> > > > > display if your voltage is below 4.9 volts.
> > > > >
> > > > Have not seen that, .. guess I'll have to write a shell script to
> kill
> > > > raspistill if the system can't ping a remote host.
> > > >
> > > >         Thanks!
> > > >
> > > >         Lee
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-- 
Jeff Ollie
The majestik møøse is one of the mäni interesting furry animals in Sweden.