Documentation

// TM1637 4-Digit Display - Arduino Example (Counter + Clock)
// Requires: TM1637 library by Avishay Orpaz (Library Manager)

#include <TM1637Display.h>

const int CLK = 2;
const int DIO = 3;

TM1637Display display(CLK, DIO);

void setup() {
  display.setBrightness(5);   // 0 = dim, 7 = max
  display.clear();
}

void loop() {
  // Count 0 - 9999 over and over
  for (int i = 0; i < 10000; i++) {
    display.showNumberDec(i, true);   // true = leading zeros
    delay(100);
  }

  // Show a colon clock for 5 seconds (12:34)
  display.showNumberDecEx(1234, 0x40, true);
  delay(5000);
}

// TM1637 4-Digit Display - ESP32 Example (Live Clock from NTP)
// Requires: TM1637 library by Avishay Orpaz + WiFi

#include <WiFi.h>
#include <TM1637Display.h>
#include <time.h>

const char* SSID = "your_ssid";
const char* PASS = "your_password";

const int CLK = 18;
const int DIO = 19;
TM1637Display display(CLK, DIO);

void setup() {
  Serial.begin(115200);
  display.setBrightness(4);
  display.clear();

  WiFi.begin(SSID, PASS);
  while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); }
  configTime(0, 0, "pool.ntp.org");
}

void loop() {
  time_t now = time(nullptr);
  struct tm* t = localtime(&now);
  int hhmm = t->tm_hour * 100 + t->tm_min;
  display.showNumberDecEx(hhmm, 0x40, true);  // 0x40 = colon on
  delay(1000);
}

#!/usr/bin/env python3
# TM1637 4-Digit Display - Raspberry Pi Example
# pip install raspberrypi-tm1637

import tm1637
import time

display = tm1637.TM1637(clk=17, dio=27)
display.brightness(4)

# Show "HELO" message
display.show("HELO")
time.sleep(2)

# Count up forever
try:
    for i in range(10000):
        display.number(i)
        time.sleep(0.1)
except KeyboardInterrupt:
    display.show("    ")  # blank
    print("Stopped")

# TM1637 4-Digit Display - Pico MicroPython Example
# Copy tm1637.py from github.com/mcauser/micropython-tm1637 to the Pico first

from machine import Pin
import tm1637
import time

display = tm1637.TM1637(clk=Pin(14), dio=Pin(15))
display.brightness(4)

# Show a temperature with one decimal place
display.numbers(23, 5)    # "23:05" -- two 2-digit groups

time.sleep(2)

# Animate count 0 - 9999
for i in range(10000):
    display.number(i)
    time.sleep_ms(100)