Cal-comp Electronics And Port Devices Driver

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There are two reasons why you Arduino Clone board is not working

Important Note: If your scale has a USB connector then it should come with a device driver that you will need to install in Windows in order for the scale to show up as a standard COM port in Windows. Sometimes this device driver is supplied on a CD that comes with the scale and sometime you need to download the driver from the manufacturer's. If the problem persists after you rebooted your computer, then there is a chance that the issue is related to out-of-date drivers or a possible conflict between two connected USB devices.

  • A fake FTDI chip is used in your device
  • CH340G USB to serial chip is used your device instead of FTDI

When fake FTDI chip used

Cal-comp Electronics And Port Devices Driver Updater

There reason is here because latest Windows driver for FTDI chip that stopped working with cloned FTDI chip, this turned all those fake FTDI chips are at risk of being bricked.

As reported in hackady.com, you need to change the PID of the fake chip using FT232 config tool and never use the new driver on a modern Windows OS.

Cal-comp Electronics And Port Devices Driver Windows 7

When CH340G chip used

In windows manager you will see the Arduino device detected as USB2.0-Serial, refer below screen shot.

Cal-comp Electronics And Port Devices Driver Windows 10

Since FTDI driver stopped working with the fake FTDI chip, the cheap clone stopped using FTDI chips, and switched to the CH340G USB to serial chip [this is good, when compared to using fake FDTI chips].

Devices

Windows OS

Port

Download and install the driver for CH340G from here

MAC OS

Cal-comp Electronics And Port Devices Drivers

For MAC OS user follow the instruction here

Cal-comp Electronics And Port Devices Driver License Test

Here are more online refrence