You need to check even ones that claim MacOS support because their support might have worked up until about For most uses, I'd say this app is required if you want to maintain sanity.
For serial comms using a late-model Mac, my experience is that there are two things you should know:. These are not intended as "commercial endorsements"; I have absolutely no financial stake in either. They're simply tools that allowed me to get where I needed to be, and ended hours of failure and frustration.
Everything else I tried was half-baked and not-ready-for-prime-time: Unsigned drivers, drivers that occasionally worked, drivers provided on mini-CD hard media?! If you're interested, there are a few more details posted on my GitHub page.
And as far as CoolTerm goes: I used this program for years, and really liked it. Unfortunately, running it now HighSierra I don't know if there's a bit version coming or not. I've been using CoolTerm since to serial talk with the barometer chip hooked up to my Arduino. Pretty easy to set up, and plays nice with AppleScript. Free, so you've little to lose trying it.
What is USB?
The at the end is the baud rate.
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You can use any standard rate, eg, , or for a Sig Server! Type man screen in Terminal for further information on screen. Minicom Alternatively, if you'd like a few more features, and a retro feel, you can install minicom 2. Download and run the minicom 2.
Add the following line to the bottom of the file: What version of USB does my Mac support? What transfer rates does USB offer? Speeds of previous USB versions: USB 2 can transfer data up to Mbps. USB 1. What USB 3 devices are supported?
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Are USB 3 hubs supported? How do I get the best performance from the USB 3 ports? USB 3 cables: Use more wires than other USB cables. Usually have a blue insert.
terminal - How to open a serial connection on High Sierra? - Ask Different
Have an "SS" symbol on the connector that plugs into the computer. Use a different connector on the device end than USB 2 cables. Can deliver more power to an attached device mA. How can I determine if my device is connected as a USB 3 device? Use the System Information utility: Click System Report.
Be sure you've installed the latest software updates available for your computer. Sometimes unplugging and plugging the device back in can resolve the issue.
Using USB devices with your Mac
Try plugging the device into another USB port on the computer. Check to see if a firmware update is available for your device from the manufacturer.
If the device came with an AC adapter, use it. Restart your computer. Try a different USB 3 cable.