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GFX HAT - 128x64 LCD Display with RGB Backlight and Touch Buttons
A 128x64 pixel, 2.15" LCD display with snazzy six-zone RGB backlight and six capacitive touch buttons. GFX HAT makes an ideal display and interface for yo...
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A 128x64 pixel, 2.15" LCD display with snazzy six-zone RGB backlight and six capacitive touch buttons. GFX HAT makes an ideal display and interface for your headless Pi projects.
GFX HAT riffs off our beloved Display-O-Tron HAT, but gives you the flexibility of individual pixels, letting you display more complex graphics and real typefaces, while retaining the handy capacitive touch buttons for input/navigation.
Features
- 128x64 pixel, 2.15" LCD display
- Integrated diffuser/reflector assembly
- Six-zone RGB LED backlight
- SN3218 LED driver chip (I2C address 0x54)
- Six capacitive touch buttons with white LEDs
- Microchip CAP1166 capacitive touch/LED driver chip ((I2C address 0x2c)
- Compatible with Raspberry Pi 3B+, 3, 2, B+, A+, Zero, and Zero W
- Python library
- Comes fully assembled
Software
Our Python library handles displaying on the LCD, controlling the backlight, and linking functions to the touch buttons. We've also included a couple of examples to get you started.
Our software does not support Raspbian Wheezy.
Jargon buster
Plain-language definitions for the technical terms used above.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- I2C address
- An I2C address is the number a device uses so a microcontroller can tell it apart from other devices on the same I2C bus. It matters because two devices with the same fixed address may conflict if used together.
- LCD
- LCD stands for liquid crystal display, a screen technology that uses a backlight and liquid crystals to show images or text. It matters because LCD modules usually need a display driver and enough controller pins or a bus interface to send image data.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
- LED driver
- An LED driver is a control chip or circuit that supplies and switches power to LEDs. For a display board, it reduces the number of microcontroller pins needed and handles tasks like lighting the right segments and adjusting brightness.
- RGB
- Short for red, green and blue, the three primary colours of light that are mixed in varying amounts to make a wide range of colours. In electronics RGB can refer to an LED or pixel that blends these three colours, or to a colour signal or interface that carries separate red, green and blue channels.
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Brands
Displays & Screens
Raspberry Pi
Related Tutorials
Free guides on learn.littlebird.com.au
