0.56" Blue LED 4-Digit Display Module with Decimal Point for Arduino / RPi / AVR / ARM
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