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RGB LCD Shield Kit w/ 16x2 Character Display - Only 2 pins used! - NEGATIVE DISPLAY
ID: 203354
Adafruit 714 - RGB LCD Shield Kit w/ 16x2 Character Display - Only 2 pins used! - NEGATIVE DISPLAY
714 - RGB LCD Shield Kit w/ 16x2 Character Display - Only 2 pins used! - NEGATIVE DISPLAY
Description
These LCDs do require quite a few digital pins, 6 to control the LCD and then another 3 to control the RGB backlight for a total of 9 pins. Thats half of the pins available on a classic Arduino!
With this in mind, we wanted to make it easier for people to get these LCD into their projects so we devised a shield that lets you control a 16x2 Character LCD, up to 3 backlight pins AND 5 keypad pins using only the two I2C pins on the Arduino! The best part is you dont really lose those two pins either, since you can stick i2c-based sensors, RTCs, etc and have them share the I2C bus. This is a super slick way to add a display without all the wiring hassle.
This shield is perfect for when you want to build a stand-alone project with its own user interface. The 4 directional buttons plus select button allows basic control without having to attach a bulky computer.
The shield is designed for classic Arduinos such as the Uno, Duemilanove, Diecimilla, etc. It uses the I2C pins at Analog 4 and Analog 5. It will also work perfectly with Arduino Mega R3s which have the extra SDA/SCL I2C pins broken out. Earlier Megas have the I2C pins in a different location and will require you to solder two wires from the I2C pins on the shield and plug them into the different I2C locations at Digital 20 & 21. This shield will not fit easily on top of an Arduino Ethernet because of the Ethernet jack height. You can use a set of stacking headers to give the shield more lift above the jack.
This product comes as a kit! Included is a high quality, USA-made PCB and all the components (buttons, header etc). This product comes with a 16x2 RGB negative. Assembly is easy, even if youve never soldered before and the kit can be completed in 30 minutes. Check the product tutorial page for assembly instructions before purchasing
Of course, we even wrote an easy-to-use Arduino library that you can easily add to your project. It acts just like the built in LiquidCrystal library, but automatically uses the shield pins. You can also easily query the 5 keypad buttons to get input through the library, so you get extra buttons without using any more pins. The buttons are automatically de-bounced inside the library.
At this time, the library and shield can control the RGB backlight of our character LCDs by turning each LED on or off. This means you can display the following colors: Red, Yellow, Green, Teal, Blue, Violet, White and all off. There is no support for PWM control of the backlight at this time, so if you need to have more granular control of the RGB backlight to display a larger range of colors, this shield cant do that (the I2C expander does not have PWM output).
Product page with tutorials, documentation and assembly information
- Dimensions: 2.1" x 3.2"
- Comes with a 16x2 RGB backlight LCD, negative display
- Plug and play with any Arduino classic - UNO, duemilanove, diecimilla, etc as well as Arduino Mega R3.
- Uses only the I2C pins - Analog 4 & 5 on classic Arduinos, Digital 20 and 21 on Arduino Mega R3
Product page with tutorials, documentation and assembly information
| Tutorials on the Adafruit Learning System featuring this product: | |
 |
RGB LCD Shield Control a 16x2 Character LCD using 2 pins |
Customer Photos from the Adafruit pool tagged with "arduino".
To add your photos, upload and tag them "arduino" and add them to the Adafruit Flickr pool!
To add your photos, upload and tag them "arduino" and add them to the Adafruit Flickr pool!
203354
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
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Adafruit 714 - RGB LCD Shield Kit w/ 16x2 Character Display - Only 2 pins used! - NEGATIVE DISPLAY