CH9350 is a USB keyboard and mouse to serial communication control chip, which needs to be used in pairs. Combined with the simple and easy-to-use features of the asynchronous serial port, the USB communication mode between the USB keyboard mouse and the USB host is extended to the asynchronous serial port (UART), which is convenient for integration with audio and video signals, and can be used for KVM communication distance extension applications. The following figure is a block diagram of its general. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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Features:
- Support 12 Mbps full speed USB transmission and 1.5 Mbps low speed transmission, compatible with USB V2.0.
- Serial communication baud rate can support 300000/115200/57600/38400. Featured By RoboticsBD.
- The same chip can be configured for upper computer mode and lower computer mode.
- The USB port of the upper computer conforms to the standard HID protocol and does not need to install additional drivers.
- Supports Windows, Linux and MAC operating systems with built-in HID device drivers. Featured By RoboticsBD.
- USB keyboard and mouse can be used on the BIOS interface and supports multimedia keys
- Support various brands of USB keyboard and mouse, USB to PS line, USB scanner gun, etc
- The upper and lower hosts support hot swap. Featured By RoboticsBD.
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Applications:
- Industrial control.
- Subway station video.
- Security monitoring.
- Building large screen.
- Shopping mall advertising.
- Digital signage.
- Visual media teaching.
- Digital KVM.
- Computer remote management.
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| General Specification |
| Name | CH9350 |
| Size (cm) | 3 x 5.2 x 2 |
| Power Port | Pin |
| Communication | Serial Port/ 485 Communication |
| Power Voltage | 5V |
| Weight | 12g |
| Shipment Weight | 0.014 kg |
| Shipment Dimensions | 10 × 7 × 3 cm |
Please allow 5% measuring deviation due to manual measurement.
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Gallery:
Documentation:
Example 1-Keyboard
- Connect the Arduino to the module,
- Insert the USB keyboard into the module,
- Burn the sample code we provided.
- Turn on the serial port monitor of your computer and press the keyboard to see the corresponding key value in the serial port monitor.
Example 2-Mouse
- Connect the Arduino to the module
- Insert the USB mouse into the module
- Open the serial port tool of the computer
- Press the mouse button or move at will
- Can output the corresponding information in the serial port.
Package Includes:
1 x CH9350 USB Serial Module HID Keyboard Mouse Barcode Reader For Arduino
