DS18B20¶

Class: herosdevices.hardware.analog_devices.ds18b20.DS18B20

Driver Quality Index: beta

One wire temperature sensor type DS18B20.

Bold arguments are mandatory. For more information on the listed arguments refer to the class documentation: herosdevices.hardware.analog_devices.ds18b20.DS18B20 If parameters appear in this list but not in the class definition, please recursively check the linked base classes for the definition of the parameter.

Argument	Type	Default Value	Description
device_id	<class ‘str’>		id of the onewire device as named by the w1 Linux kernel driver.
sysfs_path	<class ‘str’>	/sys/bus/w1/	sys path of the Linux w1 kernel driver

The following JSON strings can be used to start a HERO device representation of DS18B20 using BOSS.

{
    "_id": "temp-main-table",
    "classname": "herosdevices.hardware.analog_devices.DS18B20",
    "arguments": {
        "device_id": "28-06201996d98f"
    },
    "datasource": {
        "async": false,
        "interval": 5,
        "observables": {
            "temperature": {
                "conversion": "x/1000.",
                "unit": "degC",
                "boundaries": [
                    [
                        21,
                        22
                    ],
                    [
                        20,
                        24
                    ],
                    [
                        15,
                        30
                    ]
                ]
            }
        }
    }
}

^{from examples/analog_devices/ds18b20.json}

{
    "_id": "my_DS18B20",
    "classname": "herosdevices.hardware.analog_devices.ds18b20.DS18B20",
    "arguments": {
        "device_id": "<class 'str'>",
        "sysfs_path": "/sys/bus/w1/"
    }
}

^{generated from signature}