TAI603B


The TAI603B is a USB <-> serial adapter sold with the WSV3 weather station

Major points:

  • Internal USB to serial convertor (linux support varies)
  • Uses non-standard 1-wire pins assignments (old weather instrument style)
  • Needs external power




Linux driver support

Plugged into Linux dmesg shows:

usb 2-1.2: new full speed USB device using ehci_hcd and address 15
usb 2-1.2: configuration #1 chosen from 1 choice
cp2101 2-1.2:1.0: cp2101 converter detected
usb 2-1.2: reset full speed USB device using ehci_hcd and address 15
usb 2-1.2: cp2101 converter now attached to ttyUSB1
usb 2-1.2: New USB device found, idVendor=10c4, idProduct=ea60
usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 2-1.2: Product: CP2102 USB to UART Bridge Controller
usb 2-1.2: Manufacturer: Silicon Labs
usb 2-1.2: SerialNumber: 0001

Pin Assignments:

Note that 1-wire data/ground are on the end rather than the center.
TAI603B schematic from AAG Electronica

 

Steve Davison has a nice writeup on wiring a bridge to conventional 1-wire devices.

BUILDING AN RJ45 TO RJ12 ADAPTER FOR THE AAG TAI603B WEATHER STATION 


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