Am I right in assuming that if you want to add an external temp sensor to a OT2M and not a T2-135 you could wire into the 6 pin modular jack? Possably into ports 3 (Ground) & 4 (1 wire bus)? Just wondering! Thank you. Matt Lee, VE7MLX.
________________________________________________ --- 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. >
