0.56" LED 4-Digit Display (D4056A) Module w/ Decimal Point for Arduino - Blue + Black
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 four Digit 8-segment LED. Can be used to display decimal letters and so on. The features are as follows: 1. 4 digit red alpha-numeric display 2. 8 adjustable luminance levels 3. Power Supply should be 3.3~5.25VDC 4. Interface level can be 5V or 3.3V 5. 4 screw mounting holes whose diameter is 2.2mm 6. A product for Arduino that works with official Arduino boards