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M5Stack Red 7-Segment Digit Clock Unit

$6.00 $7.00


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LCDs & Displays
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  • Description

The 7-Segment Digit Clock Unit from M5Stack is a 2.1" 4-digit 7-segment display module.

There are decimal points on each digit and an extra wire for colon-dots in the center, which can display Decimals and Clocks. This module adopts the TM1637 as the driver IC and STM32F030 as I2C communication.

The I2C address can be modified per 4-bit dip switch. The red LED supports 8 brightness. Four fixing holes are included for mounting.

Features

  • 4-digit red display
  • I2C port, adjustable I2C address
  • 8 brightness
  • Low power consumption
  • 4 fixing holes for multiple installations

Package Contents

  • 1x Red 7-Segment Digit Clock Unit
  • 1x HY2.0 4-pin Cable (20cm)

Specifications

MCU STM32F030
Driver IC TM1637
Communication I2C, addr: 0x30
Power Supply 5V DC
Net Weight 12.5g
Gross Weight 17.8g
Product Dimension 50 * 31 * 14mm
Package Dimension 136 * 92 * 15mm

Resources

Arduino Example

#include "M5Stack.h"
#include "M5UNIT_DIGI_CLOCK.h"

M5_DIGITAL_CLOCK Digiclock;

void setup() {
    M5.begin(1, 0, 1);
    M5.dis.fillpix(0XFFFFFF);
    delay(50);
    M5.dis.fillpix(0X000000);
    delay(500);

    /* Digital clock init */
    if (Digiclock.begin(&Wire, 26, 32)) {
        Serial.println("Digital clock init successful");
        M5.dis.fillpix(0x00FF00);
    } else {
        Serial.println("Digital clock init error");
        M5.dis.fillpix(0XFF0000);
        while (1);
    }
    char buff[] = "    ";
    Digiclock.setString(buff);
    delay(2000);
}

void loop() {
    char buff[] = "8.8.:8.8.";
    Digiclock.setString(buff);
    delay(500);
}