I think Pascal Baerten was pondering plans for his devices that might be
relevant.
On Tue, Jul 27, 2010 at 8:27 AM, Rob Conway <[email protected]> wrote:
> I have been putting off buying 1wire barometers and humidity sensors due
> to price. I have since discovered that I can buy I2C barometers and
> pressure sensors for $10 - $15.00.
>
> I was thinking of using a simple PIC (PICAXE) to interface to the sensors
> and then use a 1wire counter coupled with maybe 3 digital I/O wired between
> the the pic and 1wire. I could then pulse a input line on the PIC to send
> one measurement to the counter (simply as counts (0-100% or 0-1200mbar) and
> then simply read the delta change in the counter module. As I will
> eventually want a rain gauge I shall need the 1wire counter anyhow. Having
> two channels on the counter I was thinking it maybe easy to use the second
> channel for this.
>
> Anybody else got any other simple idea's to get this type of info into
> rrdtools running on my server. I could also simply provide an ascii rs232
> signal direct to the port however liked the idea of using the 1wire bus.
>
> rob
>
>
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