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OPEN-SMART 0.56 Blue LED 4-Digit Display Module with Decimal Point
The module is based on a decimal point display module£¬ it displays four digital tube (0.56 inches)£¬ and driver IC is TM1637£¬ only two signal lines can make MCU control 4-digit 7-segment LED display. Can be used to display decimal£¬ letters and so on. The features are as following: 1. 4-digit blue common anode display 2. 8-level adjustable luminance levels 3. Power supply should be DC 3.3~5.25V 4. Interface level can be 5V or 3.3V 5. 4-screw mounting holes whose diameter is 2.2mm 6. Works with official Arduino boards