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Re: [Paparazzi-devel] Problems with Tiny13 and Graupner MC22 digital-ser

From: Hector Garcia de Marina
Subject: Re: [Paparazzi-devel] Problems with Tiny13 and Graupner MC22 digital-servos and compile-erros
Date: Wed, 24 Aug 2011 12:02:15 +0200

On Tue, Aug 23, 2011 at 10:39 PM, Eric BAHIER <address@hidden> wrote:

An possible reason of yours problems, the aswer in your mail

Le 23/08/2011 22:27, Prof. Dr.-Ing. Heinrich Warmers a écrit :
Hello world,

today we have found same reasons for the malfunction:

1. One digital servo (elevator) stop moving  and hang sometimes  by  collection to  receiver  or tiny13 . Connecting to a spectrum 2.4GHz  the servo work without problems.

Propably, your servo have a big current drink, and generaly on numerique servo this curent is drink in very small time, and very big current, this the perfect scheme to fail the small power supply of the tiny.

Hi, I have a similar problem in the past but with other stuff. It was solved attaching two small capacitors (around 0.01uF) in parallel just to commit this kind of transient.

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