- USB RS232 - FTDI designs and supplies USB semiconductor devices with Legacy support including royalty-free drivers. Application areas include USB RS232, ( USB Serial ), USB Parallel, USB Docking Stations, and upgrades of Legacy designs to USB.
- Also, as of Mac OS X 10.9, Apple began shipping their own FTDI driver. So, if you're using a USB-serial adapter that uses the FTDI chipset (many of the higher-end adapters do), you don't need to worry about installing drivers and can use the built-in screen command in the Terminal to access serial ports.

High-end macOS drivers for your PL-2303, CH341 and CP2102 USB to Serial devices
Update Mac Usb Drivers
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The best driver
Have you been struggling to get your serial device to work? This high-end driver will end your troubles and gets you your working device!
No quick hacks, or security bypasses to get the driver operating.
Download the free Serial Detect App to check if your device is supported.
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- Reliable data transfer
- Rich RS-232 feature support
- Long term support for macOS
Easy installation
Time-saving hassle-free installation via package installer. No need to use the Terminal.
- Click through installation
- Officially Signed and notarized KEXTs
- Over 150 supported USB serial devices

Safe 30-day guarantee: If the device will not work after support, you get your money back.

Works with macOS 10.15 Catalina. Catalina and Mojave drivers are notarized. Legacy drivers (signed) for OS X 10.13, 10.12. Tool hack fb via cmd. 10.11 , 10.10/10.9, 10.8, 10.7, 10.6, 10.5 (PowerPC) are also available.
Installation of the PL2303 and CH340 / CH341 / HL340 drivers is easy.Simple open the OS X installer and follow the steps.
Step 1 - Download Driver¶
Download the driver for your OS X version from the download dashboard:
Step 3 - Start screen¶

Step 4 - Select install location¶
Default is most times the right choice.
Step 6 - Driver has been installed¶
Step 7 - Check¶
When the driver has been installed, you can check if it has been loaded.To check, connect the serial device, open Terminal and type one of thefollowing commands:
Usb Serial Drivers For Mac Windows 10
- For PL2303 device:
ls/dev/|grep2303 - For CH341 device :
ls/dev/|grepch341
Usb Serial Port Driver For Mac
The result should show the accompanying cu and tty handle.