VE3BDR-5
--- In [email protected], "Rudy" <ben...@...> wrote:
>
> As Scott posted,
>
> "I just posted a new development build of the firmware that includes a
> new command, EXTTEMP, that lets you add an external DS18S20 temperature
> sensor.
>
> It's reported the same as the built-in temperature sensor (in C or F in
> the status text), and if you've got both enabled it'll send the internal
> temperature and then the external temperature.
>
> You can use this to get temperature readings from the T2-135 or T2-301
> where there's no internal sensor. To build a temperature probe, just
> wire the middle pin of the DS18S20 to the 1-wire bus connection (pin 8
> on the T2-135, pin 7 on the T2-301) and the left pin (with the flat,
> marked face toward you and the pins down) to ground. You can clip off
> the right pin.
>
> You should be able to run at least 10' of cable for the temperature
> probe, probably more depending on capacitance.
>
> Scott"
>
> I should add that the command is CMD TEMP, not CMD EXTTEMP as reported above
> for the T2-301.
>
> If you do CMD 1WIREWX ON, with the DS18S20, the temperature reported is
> incorrect.
>
> The version is 55076.
>
