SeeedStudio Grove 0.54‘’ Red Quad Alphanumeric Display


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SKU: 1135205
  1. Supply voltage 3.3V / 5V
  2. Operating ambient temperature -30°C to 85°C
  3. LED Display JM-S05442ASR-001
  4. LED Controller Driver HT16K33
  5. LED Color Red
  6. Ultra-high brightness 30mcd
  7. LED height 0.54inch
  8. LED segment 14
  9. Size 40 * 60mm
  10. Output interface I2C
  11. I2C Address(Selectable) 0x71(Default)


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Category: Seven Segment Display

This module is a 4 digit alphanumeric display with high brightness and red backlight, each digit is consists of a 14-segment digital tube. The commonly used 7-segment display, such as our Grove – 4-Digit Display can only display the numbers 0-9 and a limited number of letters. In contrast, the 14-segment digital display does not have this limitation, it can display all the characters, that’s why we call it alphanumeric display.

Seeed Studio Untitled 7

The digit height is 0.54 inch and the red LED used in this module has super high brightness, so you can see it a few meters away.
Seeed Studio Digit Height
Usually, the 14-segment display needs to use 17 or more wires to control the display, which means that a large amount of IO of your main control board (such as Arduino) will be occupied. With the help of onboard HT16K33 chip and Grove connector, we made it an i2c display, only four wires are enough. No troublesome soldering and no complicated wiring, if you are using seeeduino, it is really plugged and play, easy peasy.
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We have released a lot of displays for Arduino, raspberry pi, Beaglebone and other SBC(Single Board Computer), now we bring you the Grove – 0.54” Red Quad Alphanumeric Display, you can use it to show a four-letter word, such as ‘Love’, or you can make it a clock. All in all, the 14-segment display means more possibility and creativity. We hope it will help you create more interesting projects.


  1. Can display all letters and numbers
  2. Ultra-high brightness:30mcd
  3. Grove I2C only takes two IO pins
  4. Onboard drivers, easy to use
  5. Cathode display

Useful link:

Grove – 0.54 inch Red Quad Alphanumeric Display tutorial


  1. Industrial control indicators
  2. Digital clocks, thermometers, counters, multimeters
  3. Instrumentation readouts
  4. Other consumer applications
  5. LED Displays

Package Includes :

1 x SeeedStudio Grove 0.54‘’ Red Quad Alphanumeric Display
1 x JST cable

SKU: 1135205 Category:
Supply voltage(V)

3.3V / 5V

Ambient Temperature (°C)

-30°C to 85°C

LED Display


LED Controller Driver


LED Color


Ultra-high brightness


LED height


LED segment


Size (mm):

40 * 60mm

Output Interface


I2C Address


Shipping Weight 0.023 kg
Shipping Dimensions 12 × 7 × 1 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China