I2c Gt911 Usb

Updated October 6, 2026

Overview

Product sourcing insights & recommendations

24 来源

The phrase "i2c gt911 usb" refers to a technical ecosystem centered around the Goodix GT911, a highly popular capacitive touch controller that natively communicates via I2C. To interface these controllers with modern systems like PCs, Raspberry Pi, or Android devices, the market utilizes I2C-to-USB conversion modules (Control Cards) to enable Plug-and-Play HID functionality Aliexpress Aliexpress.

Product Insights & Specifications

The GT911 is widely recognized for its balance of performance and cost-efficiency in small-to-medium-sized displays (5" to 10.1") Evelta Alibaba.

Core Capabilities: Supports up to 5-point multi-touch with a high report rate of 100Hz and a response time of <10ms Pine64 Focuslcds.
Conversion Logic: Standard modules (e.g., universal 6-pin control cards) bridge the native 6-pin I2C FPC (VCC, GND, SCL, SDA, INT, RESET) to a USB HID interface, eliminating the need for custom I2C drivers in Windows and Linux environments Aliexpress Ebay.
Reliability: Features high noise immunity and supports surface glass thickness from 0.55mm to 2mm, making it suitable for both consumer and industrial-grade applications Pine64 Evelta.

Market Trends & Use Cases

The market for GT911-based solutions is currently driven by modular integration and low-power embedded systems Focuslcds Focuslcds.

Automotive & Navigation: Widespread use in universal car navigation panels (typically 9" or 10.1") due to its explosion-proof film support and reliability under interference Alibaba.
Industrial HMI: Rising demand for "Plug-and-Play" touch kits where the GT911 is pre-integrated with a USB adapter for rapid development in medical and industrial equipment Focuslcds Alibaba.
Smart Home: Increasing adoption in smart control hubs where "Wake-up Gestures" (like double-tap or writing a letter) allow for low-power operation Pine64.

Sourcing Landscape

Current B2B listings show a mature supply chain with highly competitive pricing:

Conversion Modules: Standalone I2C-to-USB controller boards are available for as low as $2.00–$5.00 for bulk orders, with "Universal" cards being a hot-selling item for the maker and repair markets Alibaba.
Integrated Panels: Complete GT911 touch panels with USB interface range from $8.20 for small sizes (5") to over $75.00 for larger, industrial-grade PCAP screens Alibaba Alibaba.

I can help you further with these GT911 options. Would you like to:

Sources & References

24 sources cited · Verified industry data & reports

Capacitive Touch Sensor Digitizer I2C TO USB Controller ...

AliExpress

Capacitive touch sensor digitizer GT911 I2C to USB controller for 7-10 inch tablets, supports Android, Raspberry Pi, Windows 7/8/10/11.

I2C capacitive touch panel to USB - Displays

Arduino Forum

Hello, I would like to convert capacitive touch signals that I get over I2C (Goodix GT911) to usb (android). I searched a lot internet but I ...

5 Inch G+G Structure Capacitive Touch Panel COF I2C ...

Evelta

5 Inch G+G Capacitive Touch Screen with I2C Interface, GT911 IC. Offers customizable options, 6H surface hardness, and 85% transmittance.

Programming a Capacitive Touch Panel utilizing the ...

Focus LCDs

The controller features adjustable resolution, configurable touch sensitivity, and advanced noise immunity, making it ideal for modern touch-based applications.

Datasheet

FORTEC Integrated

GT911: 5-Point Capacitive Touch Controller for Small-Sized MID. 1 ... GT911 supports two I2C slave addresses: 0xBA/0xBB and 0x28/0x29.

Raspberry Pi 5B support touchscreens with the gt911 ...

Raspberry Pi Forums

The device tree file for my gt911 touchscreen is configured to use hardware i2c, and when checking on Raspberry Pi 4B, it indeed shows hardware ...