4 Digit 7 Segment LED Display Module TM1637

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Internal Reference: DL-012

4 Digit 7 Segment LED Display Module TM1637

The 7-segment displays are actually just seven LEDs lined up in a particular pattern (the shape of ‘8’). Each of the seven LEDs is called a segment because when illuminated, the segment forms part of a numeric digit (both decimal and hex).

 

These individual segments are labeled from ‘A’ to ‘G’ representing each individual LED. By setting the particular segment to HIGH or LOW, a desired character pattern is generated.

 

The TM1637 module includes four 0.36 segment 7-segment displays to display sensor data or temperature. In addition to the four 7-segments, the module has a ‘colon’ at the center which makes it very easy to create clock or time-based projects.

The TM1637 module operates on a supply voltage of 3.3 to 5 volts and communicates via a two-wire bus, so it only requires two data pins plus VCC and ground. The bus is specific to this device, but there are libraries available for Arduino that hide the complexities and make it easier to communicate with the display.


Features of the LED display module

  • Display common anode for the four red LED
  • Powered supply by 3.3V/5V
  • Four common anode tube display module is driven by IC TM1637
  • Can be used for Arduino devices, two signal lines can make the MCU control 4 7 digital tubes. Digital tube 7 segment is adjustable

Arduino library:  https://github.com/avishorp/TM1637

Arduino code: Code

Chip Datasheet: https://cdn.shopify.com/s/files/1/0647/7702/7824/files/tm1637-based-4-bits-red-digital-tube-led-display-module.pdf?v=1656507007