New sensor type TEMPer2_M12_V1.3

[safrye]

Hi,
I got the warning about a new sensor type:
WARNING:temperusb.temper:Unrecognised sensor type 'TEMPer2_M12_V1.3'. Trying to guess communication format. Please add the configuration to 'device_library.py' and submit to https://github.com/padelt/temper-python/issues to benefit other users.
Lsusb showed:
Bus 003 Device 002: ID 0c45:7401 Microdia TEMPer Temperature Sensor
This is a metal body TEMPer2 with a TXT button.

Cheers.

[davet2001]

Thanks @safrye! Did it connect ok and give a valid temperature reading?

[safrye]

It connected fine after I installed the USB permission and gave valid reading.
Interestingly, also the old pcsensor program did not work before I installed the permissions, which was also the reason why I looked for a newer version. I use OpenSuse Tumbleweed and at least a year ago pcsensor didn't complain about not finding the device.
Just to be complete here also the output of the TXT feature, without the external probe:

www.pcsensor.com
  type:fm75
   caps lock:on/off/++ fw:1.3
    num lock:Off/on/--  
    date	time	c	c	interval
			inside	outside
					25.50	err	1
							25.50	err	1
									25.63	err	1

Cheers and
Thanks for the nice program.

P.S.: I recognized that temper-python only gives one decimal place for the temperature while pcsensor gives two. Any special reason for this?

[davet2001]

@safrye Regarding the 1decimal place output, this is just how the output is formatted in the statement that prints the number to the screen, e.g.

temper-python/temperusb/cli.py

Line 82 in 67d544d

output += '%0.1f; ' % reading[sensor][dict_key]

If you want more decimal places, you could import the library, create a TemperDevice() instance, then call get_temperature(). This will return a floating point value.

But do bear in mind the finite resolution, noise, measurement uncertainty and calibration error of these sensors if looking at the second decimal point.