Alt-BEAM Archive
Message #03713
To: Wouter Brok w.j.m.brok@stud.tue.nl
From: Steven Bolt sbolt@xs4all.nl
Date: Tue, 25 May 1999 23:16:52 +0200 (CEST)
Subject: [alt-beam] Re: diode
On Tue, 25 May 1999, Wouter Brok wrote:
> Sometime I saw a description of a solarpowered robot, with a microprocessor
> (PIC is guess), on the web. The solarcell charged a huge capacitor via a
> diode (so that the capacitor wouldn't discharge itself through the
> colarcell when there isn't enough light anymore). The same diode I found in
> a solar-battery-charged (which I disassembled to check how they did it) and
> had a threshold-voltage of something like 0.2 V (that's why it's do ideal
> for this application). The problem is: I forgot the type-number of the
> diode .... 1N58.. or so ... I really don't remember.
A good and cheap Schottky diode for this purpose is the BAT85.
You'll find it at Display Elektronica for fl 0,60
Best,
Steve
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# sbolt@xs4all.nl # Steven Bolt # popular science monthly KIJK #
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