nanoFramework.Iot.Device.Max31865 1.2.869

Prefix Reserved

dotnet add package nanoFramework.Iot.Device.Max31865 --version 1.2.869

NuGet\Install-Package nanoFramework.Iot.Device.Max31865 -Version 1.2.869

This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.

<PackageReference Include="nanoFramework.Iot.Device.Max31865" Version="1.2.869" />

For projects that support PackageReference, copy this XML node into the project file to reference the package.

<PackageVersion Include="nanoFramework.Iot.Device.Max31865" Version="1.2.869" />
                    

                            Directory.Packages.props

<PackageReference Include="nanoFramework.Iot.Device.Max31865" />
                    

                            Project file

For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.

paket add nanoFramework.Iot.Device.Max31865 --version 1.2.869

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

#r "nuget: nanoFramework.Iot.Device.Max31865, 1.2.869"

#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.

#addin nuget:?package=nanoFramework.Iot.Device.Max31865&version=1.2.869
                    

                            Install nanoFramework.Iot.Device.Max31865 as a Cake Addin

#tool nuget:?package=nanoFramework.Iot.Device.Max31865&version=1.2.869
                    

                            Install nanoFramework.Iot.Device.Max31865 as a Cake Tool

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

MAX31865 - Resistance Temperature Detector Amplifier

The MAX31865 device is a SPI interface Resistance Temperature Detector to Digital Converter.

MAX31865

Documentation

MAX31865 datasheet

Usage

Important: make sure you properly setup the SPI pins especially for ESP32 before creating the SpiDevice, make sure you install the nanoFramework.Hardware.ESP32 nuget:

//////////////////////////////////////////////////////////////////////
// when connecting to an ESP32 device, need to configure the SPI GPIOs
// used for the bus
Configuration.SetPinFunction(21, DeviceFunction.SPI1_MOSI);
Configuration.SetPinFunction(22, DeviceFunction.SPI1_MISO);
Configuration.SetPinFunction(23, DeviceFunction.SPI1_CLOCK);
// Make sure as well you are using the right chip select

For other devices like STM32, please make sure you're using the preset pins for the SPI bus you want to use. The chip select can as well be pre setup.

SpiConnectionSettings settings = new(1, 42)
{
    ClockFrequency = Max31865.SpiClockFrequency,
    Mode = Max31865.SpiMode1,
    DataFlow = Max31865.SpiDataFlow
};

using SpiDevice device = SpiDevice.Create(settings);
using Max31865 sensor = new(device, PlatinumResistanceThermometerType.PT1000, ResistanceTemperatureDetectorWires.ThreeWire, ElectricResistance.FromOhms(4300));

while (true)
{
    Debug.WriteLine($"Temperature: {sensor.Temperature.DegreesCelsius} ℃");

    // wait for 2000ms
    Thread.Sleep(2000);
}

Note: You can use any PT100 or PT1000 temperature sensor which has 2/3/4 wires.

Hardware Required

MAX31865
Male/Female Jumper Wires

Circuit

The following fritzing diagram illustrates one way to wire up the MAX31865 Resistance Temperature Detector to Digital Converter with a MCU

MCU circuit diagram

SDI - MOSI
SDO - MISO
CLK - SCLK
CS - CE0
VIN - 3V
GND - GND

Known limitations

This version only performs the one shot temperature conversion and not the continuous temperature conversion.

Product	Compatible and additional computed target framework versions.
.NET Framework	net is compatible.

Compatible target framework(s)

Included target framework(s) (in package)

Learn more about Target Frameworks and .NET Standard.

- nanoFramework.CoreLibrary (>= 1.17.11)
- nanoFramework.Runtime.Events (>= 1.11.32)
- nanoFramework.System.Buffers.Binary.BinaryPrimitives (>= 1.2.862)
- nanoFramework.System.Device.Gpio (>= 1.1.57)
- nanoFramework.System.Device.Spi (>= 1.3.82)
- nanoFramework.System.Math (>= 1.5.116)
- UnitsNet.nanoFramework.ElectricResistance (>= 5.74.0)
- UnitsNet.nanoFramework.Frequency (>= 5.74.0)
- UnitsNet.nanoFramework.Temperature (>= 5.74.0)

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version	Downloads	Last updated
1.2.869	169	4/2/2025
1.2.864	165	4/2/2025
1.2.852	178	3/11/2025
1.2.846	182	3/10/2025
1.2.822	122	2/26/2025
1.2.775	125	2/4/2025
1.2.772	116	2/4/2025
1.2.755	117	1/31/2025
1.2.743	110	1/20/2025
1.2.737	98	1/13/2025
1.2.718	140	12/30/2024
1.2.704	113	12/18/2024
1.2.696	116	12/16/2024
1.2.673	122	10/23/2024
1.2.656	117	10/3/2024
1.2.639	141	9/6/2024
1.2.631	124	8/28/2024
1.2.613	138	8/9/2024
1.2.601	108	7/26/2024
1.2.590	132	7/17/2024
1.2.573	135	6/19/2024
1.2.570	126	6/14/2024
1.2.560	137	5/29/2024
1.2.548	128	5/15/2024
1.2.536	141	4/15/2024
1.2.514	134	3/22/2024
1.2.494	137	2/28/2024
1.2.462	223	1/5/2024
1.2.458	155	12/20/2023
1.2.436	173	11/10/2023
1.2.416	132	11/8/2023
1.2.403	157	10/6/2023
1.2.396	147	9/27/2023
1.2.384	162	9/6/2023
1.2.378	191	8/16/2023
1.2.369	164	8/2/2023
1.2.363	183	7/28/2023
1.2.357	158	7/19/2023
1.2.354	159	7/14/2023
1.2.345	174	6/21/2023
1.2.341	161	6/14/2023
1.2.337	174	6/7/2023
1.2.335	162	6/2/2023
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1.2.313	172	5/12/2023
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1.2.273	293	3/17/2023
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1.2.263	278	3/8/2023
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1.2.256	287	2/24/2023
1.2.253	297	2/22/2023
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1.2.13	455	7/24/2022
1.2.10	483	7/23/2022
1.2.5	512	7/13/2022
1.1.142.3202	526	7/7/2022
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1.1.133.52556	486	6/30/2022
1.1.121.35854	553	6/26/2022
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1.0.300	522	3/31/2022
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1.0.277-preview.106	163	3/15/2022
1.0.277-preview.105	155	3/15/2022
1.0.277-preview.99	163	3/10/2022
1.0.277-preview.98	163	3/8/2022
1.0.277-preview.89	164	2/27/2022
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1.0.277-preview.85	165	2/25/2022
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1.0.45	241	5/24/2021