he pcb (and saves a small bit of time->money for
the redesign)
if anyone want to measure on a production unit they just cut the trace
between the pads and adds a resitor (or the leads of an A meter)
Reinder de Haan
>
> wad
>
> ___
&g
Hallo,
C. Scott Ananian wrote:
> A last resort would be hooking up a MOSFET as a simple amplifier --
> again, you're not worried about linearity or any such niceties, but
> you'd still need a good match for your MOSFET's threshold voltage...
> some real measurements to replace the WAGes would go
Original Message
Subject: Re: Ambient light sensing via LED response
Date: Thu, 07 May 2009 00:02:49 +0200
From: Reinder de Haan
To: raf...@laptop.org
References: <200904290017.n3t0hl2v006...@new.toad.com>
<675d3c5c-95ed-4ee9-84bc-3b5164675...@laptop.org>
&l
C. Scott Ananian wrote:
> On Wed, May 6, 2009 at 6:14 PM, Reinder de Haan wrote:
>>> Absolutely not. The A/D is eight bits, with an input range spanning
>>> 0 - 3.3V, so the best you
>>> can hope for is about 13 mV per LSB. I would guess actual accur
Sascha Silbe wrote:
> On Sun, May 31, 2009 at 03:16:53PM +1000, James Cameron wrote:
>
>> 1. Earthing. The current design has no earth at the AC end, and is
>> isolated in relation to the DC end. An earthed AC plug in some
>> countries produces a more reliable and positive insertion and ancho
Tiago Marques wrote:
> On 5/31/09, Reinder de Haan wrote:
>>
>> Sascha Silbe wrote:
>>> On Sun, May 31, 2009 at 03:16:53PM +1000, James Cameron wrote:
>>>
>>>> 1. Earthing. The current design has no earth at the AC end, and is
>>>> i
