Drivers Onchip Technologies India Pvt Input Devices

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CH340 IC is a low cost USB to TTL converter IC. CH340g ICis used in low cost SMD Arduino UNO & Arduino Nano boards. Many USB to Serial converter IC’s are available in the market but this is a low cost IC that is gaining popularity. USB to TTL converter modules are also available based on this IC. Even Node MCU IOT modules also have this IC.

Onchip Technologies is an offshore IT solutions provider, offering technology and application development services like Embedded Software Development, Application Software Development and Management, System Integration, Mobile Application Development, Testing, Performance Analysis, Data Management and Data Security.

You can download the Drivers for CH340g from below

Download CH340g Driver for windows 7, 8 and windows 10

I have personally tested the above CH340 driver on windows 7 and it worked with the Arduino Nano, Node MCU and Arduino UNO clones.

Step By Step Installation of CH340g Drivers

Initially connect your hardware having CH340 USB to Serial IC to your PC. In the device manager it will show “USB2.0-Serial” (as shown in below figure) which means your ch340 driver has not been installed.

Now extract the CH340g drivers in a folder and in that you will find folder named “CH341SER” in which there will be a “setup” application file as shown below.

Drivers On Chip Technologies India Pvt Input Devices Pvt Ltd

Open the setup file and a “Driver Setup” option will open. Just click on the install file.

This installation takes some time. In my laptop it took 1 minute so just have patience. Once installed it will show driver successfully installed. Now go again back to device manager and there you will see that the driver has been successfully been installed and a com port has been allotted. In below image you can see that “com19” has been allotted for ch340g IC in my laptop

Drivers Onchip Technologies India Pvt Input Devices List

Drivers for the ch340 IC has now been installed successfully. I have tested this drivers and installation process in Windows XP, windows 7. Will test is soon on Windows 8 & windows 10.

You can see in above image that Port Number 19 has been allocated to this IC. If you want you can even change the virtual com port number from Device Manager.

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