Linux Temperature Monitoring using the DS1820

Sitting in a 19″ rack the temperature monitoring unit that Jeroen Hoppenbrouwers built looks like it is worth several thousand dollars. When you have a look inside, the lack of components reflects on the power of the 1-wire communication technology.

“I needed several sensors. The DS18S20 was perfect for this, as this device is designed for the 1-Wire® bus system. Actually this means that you need two wires, but these two wires carry both power and data. All devices you want are simply put in parallel on the two wires, which may run for several hundred meters. The factory burns a 64-bit unique identifier in each sensor device, which enables the host machine to both list all devices on the bus and address each device individually.”

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4 Responses to “Linux Temperature Monitoring using the DS1820”

zedomax.com Says:
November 24th, 2006
DIY HOWTO – Linux Temperature Monitoring using the DS1820

Here’s how you can make your own Linux Temperature Monitoring system coupled with a DS1820
chip using the 1-wire communication protocol. Note that you could easily do this with a Basic Stamp,
which supports 1-wire protocol and just simply add a…
Bruce Henderson Says:
November 27th, 2006
Would you be able to post the circuit that you used to connect the 1-wire to the serial and what you are using to power the 1-wire bus.

Thanks for your post!
Alan Parekh Says:
November 27th, 2006
Hi Bruce,

Click on the link in the article, there you should find all your answers.
Daily Clerks Says:
December 3rd, 2006
[...] “When the central computer/network equipment hall of Tilburg University got new climate control equipment, the Unix system managers were anxious to get relevant information (mostly temperature readings) fed directly into their Nagios monitoring system. Several solutions were available, but none of them really looked good. So I set out to create a simple, low-tech, cheap, but reliable and professional solution to solve their request. “ [via] – Link. [...]