iwiber
Posts: 9
Joined: Thu May 02, 2019 1:43 pm

Probe Module for Ds18b20 -- Alternative?

Tue May 07, 2019 12:31 am

Hello,

I'm not very electronic savvy.. is there something else than this that I could use since it's super hard to find? Like welding resistances or something else?

Your help would be much appreciated.
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pcmanbob
Posts: 7255
Joined: Fri May 31, 2013 9:28 pm
Location: Mansfield UK

Re: Probe Module for Ds18b20 -- Alternative?

Tue May 07, 2019 8:57 am

I assume you are asking about connecting a DS18B20 to your pi gpio.

all you need is a 4.7K resistor and the DS18B20 connected like this to the gpio.

Image

no probe module is required or needed.

The module you posted a picture of is just a way of connecting a DS18B20 via the screw terminals with the 4.7K resistor already mounted on the PCB, providing a easily connectable output for the wiring to the pi,
if you particularly wanted such an interface PCB you could build one using some strip board , a screw terminal block , a 4.7K resistor and some right angle PCB connector pins.
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iwiber
Posts: 9
Joined: Thu May 02, 2019 1:43 pm

Re: Probe Module for Ds18b20 -- Alternative?

Tue May 07, 2019 9:27 am

Awesome thanks!

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omegaman477
Posts: 148
Joined: Tue Feb 28, 2017 1:13 pm
Location: Sydney, Australia

Re: Probe Module for Ds18b20 -- Alternative?

Tue May 14, 2019 7:51 am

Adafruit have an encapsulated, waterproof DS18B20. https://www.adafruit.com/product/381
..the only thing worse than a stupid question is a question not asked.

iwiber
Posts: 9
Joined: Thu May 02, 2019 1:43 pm

Re: Probe Module for Ds18b20 -- Alternative?

Tue May 14, 2019 10:55 am

omegaman477 wrote:
Tue May 14, 2019 7:51 am
Adafruit have an encapsulated, waterproof DS18B20. https://www.adafruit.com/product/381
That's the one I have

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