Adafruit
Adafruit TFT 50pin to 40pin + AR1100 Touchscreen Adapter
The Adafruit TFT 50-Pin to 40-Pin + AR1100 Touchscreen Adapter converts Adafruit RTD266X driver boards with 50-pin TFT connectors to work with 40-pin TFT dis...
The Adafruit TFT 50-Pin to 40-Pin + AR1100 Touchscreen Adapter converts Adafruit RTD266X driver boards with 50-pin TFT connectors to work with 40-pin TFT displays. It also includes a built-in AR1100 resistive touch controller, adding USB touchscreen input to your display setup.
The AR1100 acts as a touch-to-USB converter, appearing as a standard Mouse or Digitizer HID device — no drivers required. It works on any operating system that supports a USB mouse. Calibration software from Microchip is available for Windows, and once calibrated, the touchscreen works on any OS.
Key Features
- 50-Pin to 40-Pin Adapter – Converts RTD266X driver boards with 50-pin connectors to work with 40-pin TFT displays
- AR1100 Touch Controller – Built-in resistive touchscreen controller with USB HID output
- Universal USB HID – Shows up as a standard mouse/digitizer device, no drivers needed on any OS
- Calibratable – Ships with test calibration; use Microchip's Windows calibration software for precise adjustment
Ideal For
- Adding resistive touchscreen input to 40-pin TFT displays
- Converting RTD266X 50-pin driver boards for use with 40-pin panels
- USB touchscreen setups for embedded or desktop projects
Package Contents
- 1× TFT 50-Pin to 40-Pin + AR1100 Touchscreen Adapter
Jargon buster
Plain-language definitions for the technical terms used above.
- HID
- Human Interface Device is a USB device class used for keyboards, mice, gamepads and similar controls. If a board supports HID over USB, it can act like an input device to a computer without needing a custom driver.
- TFT
- A thin-film transistor display is a common type of colour LCD used for graphics screens. Knowing a product is for TFTs helps you check that the driver board matches the display’s connector, resolution, backlight, and signalling method.
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