This is a unique ring - it has a florid body with 24 controllable LEDs. Maybe it will drive the inspiration out of you to make a glowing magic ring! There is a 1*1 square hollow-out in the middle of this module, where you can place a Grove - Encoder in and make it a rotary visual encoder! Â
FeaturesCircular shape24 LEDs, about 5.5 mA drive current for each channel.Controllable LEDs with florid effectsGrove Interface.SpecificationVoltage: 4.5V~5.5VCurrent: 5.5mA (for each LED)Dimension: 4.5cm (ring diameter)Net Weight: 12gFor all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read throughÂ Preface - Getting StartedÂ andÂ Introduction to GroveÂ before your using of the product.
Please visit ourÂ wikiÂ pageÂ for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to ourforum.
If you are interested in Internet of Things (IoT) or M2M projects check our open
source sensor platform Waspmote
which counts with more than 100 sensors available to use 'off the shelf', a complete API with hundreds of ready to use codes and a low consumption mode of just 0.7µA to ensure years of battery life.
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