Wulf's Various Things

This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong.

====== USB Temp ======

Details for the USB Temperature Probe from usbtemp.com

https://usbtemp.s3.amazonaws.com/manuals/usb-thermometer_installation-en.pdf

Generate device by serial number for easier identification of probe like /dev/serial/by-serial/AYAV...:
<code>
sudo vi /etc/udev/rules.d/usbtemp.rules
SUBSYSTEM!="tty", GOTO="serial_end"
ENV{ID_SERIAL_SHORT}=="", GOTO="serial_end"
SYMLINK+="serial/by-serial/$env{ID_SERIAL_SHORT}"
LABEL="serial_end"

sudo udevadm control --reload-rules
sudo udevadm trigger
</code>

<code>
dmesg | tail

sudo apt-get install digitemp

?
sudo apt-get install owfs

sudo usermod -a -G dialout wuff
newgrp dialout

#initialisation
digitemp_DS9097 -i -s /dev/ttyUSB0

#read temp
digitemp_DS9097 -t 0
</code>

Python scripting example:
<code>
#sudo pip install DS18B20 pydigitemp
mkdir digitemp
cd digitemp
git clone https://github.com/mcsakoff/pydigitemp
mv pydigitemp/digitemp .
rm -rf pydigitemp
</code>
<code python digitemp.py>
from digitemp.master import UART_Adapter
from digitemp.device import DS18B20
import time
bus = UART_Adapter('/dev/ttyUSB0')
sensor = DS18B20(bus)
while True:
    print(sensor.get_temperature())
    time.sleep(1)
</code>