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Arduino RTD Shield

Arduino shield that can connect to multiple RTD temperature sensors at the same time

ProtoVoltaicsProtoVoltaics
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arduino temp temperature sensor precision protovoltaics

This project was created on 08/25/2015 and last updated 5 years ago.

Description

The shield has connections for either four 3-wire RTD temperature sensors or three 4-channel RTD temperature sensors or seven 2-wire RTD temperature sensors. An Arduino software library is available below that will make it super easy for you to get temperature readings.

Works with 4-wire, 3-wire, and 2-wire RTDs. Works with Pt-100 and Pt-1000 RTDs. It can also be used as a precision ohmmeter for the Arduino to measure up to 8600 ohms.

This shield uses the ADS1248 analog-to-digital converter (ADC) from Texas Instruments. It features 24-bit resolution (the Arduino ADC is only 10-bit), a programmable gain amplifier (up to 128x), multiple programmable precision current sources, and a ratiometric RTD drive topology to provide you with laboratory-grade, precision readings even in electrically noisy environments. All of these settings have been pre-configured!

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  • Watch it be built!

    ProtoVoltaics • 08/26/2015 at 14:07 • 0 comments

    Hello, we have recently been working on a machine to populate these board for us. Our very own homemade Pick and Place machine has successfully placed its first batch of 12 units.

    Check out the project at https://hackaday.io/project/5200-pick-and-place-machine

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ftsoft wrote 07/07/2017 at 11:29 • point

Hello, is it still possible to buy your RTD shield now?

  Are you sure? yes | no

Andrew wrote 03/30/2017 at 16:07 • point

Hello, is it still possible to buy your RTD shield?

  Are you sure? yes | no

MicroPrototype & Design wrote 08/26/2015 at 14:18 • point

Will you be open sourcing the hardware ?

  Are you sure? yes | no

ProtoVoltaics wrote 08/26/2015 at 15:10 • point

We do not currently have plans to open source this project. These boards are now available for purchase.

  Are you sure? yes | no

zaidsayes wrote 04/22/2020 at 05:23 • point

hello there, can you please help me purchasing this board, i searched everywhere on Google and couldn't find where i can buy it from. need help please, we have a  project to build with RTD and arduino

  Are you sure? yes | no

MicroPrototype & Design wrote 08/26/2015 at 13:17 • point

What is the purpose of the PIC24 ?

  Are you sure? yes | no

ProtoVoltaics wrote 08/26/2015 at 14:05 • point

Hello, the PIC24 does the communication translation. 

  Are you sure? yes | no

ProtoVoltaics wrote 08/26/2015 at 14:12 • point

It also does a minor amount of averaging. 

  Are you sure? yes | no

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