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NEW PRODUCT – 2.2″ 18-bit color TFT LCD display with microSD card breakout [HX8340BN]

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NEW PRODUCT – 2.2″ 18-bit color TFT LCD display with microSD card breakout [HX8340BN]. This lovely little display breakout is the best way to add a small, colorful and bright display to any project. Since the display uses 3-wire SPI to communicate and has its own pixel-addressable frame buffer, it can be used with every kind of microcontroller. Even a very small one with low memory and few pins available!

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The 2.2″ display has 220×176 color pixels. Unlike the low cost “Nokia 6110” and similar LCD displays, which are CSTN type and thus have poor color and slow refresh, this display is a true TFT! The TFT driver (HX8340) can display full 18-bit color (262,144 shades!). And the LCD will always come with the same driver chip so there’s no worries that your code will not work from one to the other.

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The breakout has the TFT display soldered on (it uses a delicate flex-circuit connector) as well as a ultra-low-dropout 3.3V regulator and a 3/5V level shifter so you can use it with 3.3V or 5V power and logic. We also had a little space so we placed a microSD card holder so you can easily load full color bitmaps from a FAT16/FAT32 formatted microSD card. The microSD card is not included, but you can pick one up here.

Of course, we wouldn’t just leave you with a datasheet and a “good luck!” – we’ve written a full open source graphics library that can draw pixels, lines, rectangles, circles, text and bitmaps as well as example code and a wiring tutorial. The code is written for Arduino but can be easily ported to your favorite microcontroller!

Specifications:

  • 2.2″ diagonal LCD TFT display
  • 220×176 resolution, 18-bit (262,144) color
  • HX8340B(N) (datasheet) controller with built in pixel-addressable video RAM buffer
  • 3 wire SPI digital interface – this display talks in ‘9-bit’ SPI not 8-bit check the Arduino library source for how to communicate
  • Built-in microSD slot – uses 2 more digital lines
  • 5V compatible! Use with 3.3V or 5V logic
  • Onboard 3.3V @ 150mA LDO regulator
  • 3 white LED backlight, transistor connected so you can PWM dim the backlight
  • 1×10 header for easy breadboarding
  • 4 x 0.1″/2.5mm mounting holes in corners
  • Overall dimensions: 1.7″ x 2.7″ x 0.25″ (43mm x 68mm x 6.5mm)

In stock and shipping now!


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2 Comments

  1. C’mon guys, I already have enough projects on my plate! This looks like it would be a nice addition to any number of things.

  2. I second that, so many nice displays, so little time.

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