i think that lm75 is a analog temperature sensor, maybe with some amp ops you could make a schimitt trigger alarm with potentiometers to adjust hi and low temp
2011/10/27 Vincent Danjean <[email protected]>: > Le 27/10/2011 10:17, Phil White a écrit : >> Hi Paul, >> >> Yes, I know of this product. I have emailed them for clarification on >> a couple of points (it appears that you cannot adjust the hysteresis), >> but essentially this is the sort of product I need... except that it >> is a room temperature sensor, and I need to measure water temp. I >> certainly intend to get 1 to play with. >> >> The DS1821 is, as Patryk says, is *almost* what I want - except that >> it is either a temp sensor, *or* a thermostat, but never both at the >> same time, due to the fact that the DQ pin is dual purpose, and it is >> going to be a pain to flip it from one state to the other. > > You can put a DS18B20 near the DS1821 if you want to easily often read > the temperature. > >> Using a thermocouple is the approach I favour at the moment - but that >> is only because I haven't come across many alternatives. >> >> Thanks for the help so far. > > ------------------------------------------------------------------------------ > The demand for IT networking professionals continues to grow, and the > demand for specialized networking skills is growing even more rapidly. > Take a complimentary Learning@Cisco Self-Assessment and learn > about Cisco certifications, training, and career opportunities. > http://p.sf.net/sfu/cisco-dev2dev > _______________________________________________ > Owfs-developers mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/owfs-developers > -- Roberto Spadim Spadim Technology / SPAEmpresarial ------------------------------------------------------------------------------ The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev _______________________________________________ Owfs-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/owfs-developers
