USB Onewire Bus Master

A DS9097 compatible 1–wire bus master — adapter with USB connection, based on PL2303GL, and previously on PL2303TA (USB-to-serial interface), for connecting one or more 1–wire devices to a PC or a server.

The adapter is supported by third-party tools: Digitemp, LogTemp, pydigitemp (python library), owfs (as passive) and OneWireViewer. See Driver installation and software usage

• White wire: 3.3 V (20mA)
• Red wire: 5 V (100mA)
• Green wire: 1–wire data
• Black wire: GND

Adapter with PL2303GL works under Linux and Windows 7, 10, 11, and adapter with PL2303TA works under Linux and Windows XP SP2, Vista, 7, 8, 8.1, 10.

An 1–wire temperature sensor DS18B20 (28h), Temperature & A/D Battery Monitor DS2438 (26h), and 1–wire serial number IC DS2401 (01h) can be connected directly to du-pont cable ends. In these cases no pull-up resistor is needed.

Product images

SKU: USB-1WIRE