Thanks for the replies guys.
I currently use separate power supplies for 1-wire and Pi. Is it
considered better to split them?
Colin, can you give me details of you power management board please?
Matthias, I have just looked through the Meanwell site but cannot see
any that are adjustable (may have missed it there are a lot there), can
you tell me which one you used please?
Thanks for your help
Mick
On 24/09/17 17:08, Colin Reese wrote:
So many problems come from there. I use a power management board with boost
converter and lipo for this reason. Deals with outages as well with graceful
shutdown.
C
On Sep 24, 2017, at 7:56 AM, Matthias Urlichs via Owfs-developers
<owfs-developers@lists.sourceforge.net> wrote:
On 24.09.2017 12:38, Mick Sulley wrote:
Any suggestions on how I can find out what is causing this.
When I had this problem, the root cause was a flaky power supply.
Get a cap-rail-mounted adjustable 5V power supply (e.g. from Meanwell).
Connect the Pi, then carefully adjust the voltage up to 5.15V. That's
still well within spec (+5% tolerance means 5.25V) but helps a lot when
you have transient problems.
The affected Pi didn't have any more hiccups after I did that.
Also, add a 0.1µF ceramic cap between 5V and ground of the 1wire lines,
close to the Pi, to buffer spikes from out there.
--
-- Matthias Urlichs
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