Go Down

Topic: A Modular Central Heating System Controller - Arduheat (Read 8 times) previous topic - next topic

peterjb

I'd certainly consider the DS18B20, solves all the problems with the analogue inputs, and allows the addition of extra sensors with relative ease (a coding exercise rather than a hardware one)

craigcurtin

I would definitely recommend the DS18B20 Temp sensors - i have a system very similar to what you describe but completely built using the PICAXE range of microprocessors. I have just undertaken to move this to the Arduino environment.

I have been using the DS18B20 Temp sensors for about 5 years now and they have been brilliant - i have had two failures (from poorly built waterproof housings that i made) out of 12 units in 5 years.

Their accuracy is outstanding. If you are worried about them - then deploy two in each location and sanity check the readings from both against each other and create a weighted average.

Craig

dan_man

Hi Thomas,

Do you have any news about your project? You promised a schematic some time ago.

Best Regards

Dan

Go Up