Patched: Hobo H21-usb Driver

: If HOBOware does not see the logger, close and reopen the Preferences window to refresh the COM port list. Port Conflicts

Yes. Onset does not ship CDs anymore. All drivers are free on their website. Do not pay for a "driver download site." hobo h21-usb driver

Before diving into the driver, it is crucial to understand what the device is. The H21-USB is a 4-channel, weather-resistant data logger. Unlike simple USB thumb-drive loggers, the H21-USB uses a standard USB cable (Type B to Type A) to connect to a PC. It records data from Smart Sensors (temperature, relative humidity, 4-20 mA, etc.) and stores up to 1.5 million measurements. : If HOBOware does not see the logger,