Oops. Sorry, i meant Martin, obviously.
2011/6/22 Roman Haefeli reduzent@gmail.com
On Wed, 2011-06-22 at 15:06 +0200, Pierre Massat wrote:
Thank you all for your advice.
@Roman : what type of op-amp do you use?
I guess, it was Martin Peach who suggested using an op-amp. However, I think many common ones will do.
Roman