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Thanks for the clear and succinct support - what a pleasure. [...] Thanks so much for your prompt, clear and helpful response (virtual cheers!)
—Dan, USA
LabJack
Measurement & Automation Simplified
The team at LabJack is driven to make measurement and automation simple and affordable. Located in Lakewood, Colorado, LabJack Corporation builds great hardware and software for industry, government, and education.
LabJack writes drivers for Windows, Linux, and Mac OS X, plus example code in dozens of languages.
Have a question or problem? LabJack engages in active customer support. You can find answers in the support area and FAQ, or contact us so we can help.
#1
Yes, there is a 100k pull-up to 3.3V. The lines are 5V tolerant, so you can add pull-ups to 5V if you need a faster rise time.