DESCRIPTION
The Grove – LED Bar is comprised of a 10-segment LED gauge bar and an MY9221 LED controlling chip.
It can be used as an indicator for remaining battery life, voltage, water level, music volume or other values that require a gradient display. There are 10 LED bars in the LED bar: one red, one yellow, one light green, and the rest green.
Demo code is available to get you up and running quickly. It lights up the LEDs sequentially from red to green, so the entire bar is lit up. Want to go further? Each LED can be controlled innavidually so go ahead and code your own effects!
FEATURES
- Dimensions: 40mm x 20mm x 18mm
- Each LED segment can be controlled innavidually via code
- Grove module interface
- Plug-and-play
- Can be cascaded for a larger display
- The flexible power option supports 3 – 5.5DC
RESOURCES
- Grove – LED Bar Eagle File
- Grove – LED Bar Library
- MY9221 Datasheet
- Suli-compatible Library
- GitHub repository for LED Bar
- Wiki
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