WS603 Weather Instrument

This is a relatively inexpensive complete weather station from AAG.

The device is DS2670-based, with a unique pinout

TAI603B is a cp210x DS2480B-based bus master

 The device itself has the following schematic (source)

AAG TAI8515 1-Wire Weather Instrument Kit v.3.0 Schematic Diagram 

The best write-up is from Les Arbes.

Bus Master

Modern Linux supports the TAI603B
dmesg output on plug in:
usb 1-1.4.1: new full speed USB device using ehci_hcd and address 23
USB Serial support registered for cp210x
cp210x 1-1.4.1:1.0: cp210x converter detected
usb 1-1.4.1: reset full speed USB device using ehci_hcd and address 23
usb 1-1.4.1: cp210x converter now attached to ttyUSB1
usbcore: registered new interface driver cp210x
cp210x: v0.09:Silicon Labs CP210x RS232 serial adaptor driver
owfs will use the TAI603B as a standard serial device.
In this case start owserver like this:
/opt/owfs/bin/owserver -d /dev/ttyUSB1


The weather station appears as a  DS2760 (family code 30).
$ owdir


  • Temperature
    $ owread /30.978E03000000/temperature
  • wind

Previous page: EDS enviromental sensors
Next page: Vibration Sensor