HS-F14A four-digit LED digital tube

1. Introduction

A 4-digit 7-segment display is composed of a 12-pin 4-digit common anode 7-segment display and a control chip TM1650.This product can be used on devices that display numbers.

2. Schematic

TM1650 four-digit seven-segment display - HS-F14A schematicClick to view

Module Parameters

• Power Supply Voltage: 3.3V / 5V

• Connection Type: 2.54mm Header

• Installation Method: Double Screw Fixed

4, Circuit Board Size

5 of Arduino IDE example program

Attention: If prompted with an error message about the library file during program upload, please import the library file first!
Arduino IDE Library Download and Import Tutorial:Click to view

Example program (UNO development board):

#include <Wire.h>
#include <TM1650.h>
#include <SimpleTimer.h>

volatile int item;
TM1650 tm_4display;
SimpleTimer timer;

void Simple_timer_1() {
  tm_4display.displayString(String(item));
  item = item + 1;
}

void setup(){
  item = 0;
  //IIC接口连接TM1650数码管\n每隔一秒显示数增加1
  Wire.begin();
  tm_4display.init();
  timer.setInterval(1000L, Simple_timer_1);

}

void loop(){
  timer.run();

}

6, ESP32 Python Example (for Mixly IDE/Misashi)

Choose the development board Python ESP32 [ESP32 Generic(4MB)] and upload in code mode

Attention: If prompted with an error message about the library file during program upload, please import the library file first!
Download and import tutorial for Mixly IDE ESP32 library:Click to view

Example program (ESP32-Python):

import machine
import tm1650
import time


i2c_extend = machine.SoftI2C(scl = machine.Pin(22), sda = machine.Pin(21), freq = 100000)
disp = tm1650.TM1650(i2c_extend)
i = 0
while True:
    disp.shownum(i)
    i = i + 1
    time.sleep(1)

7, Mixly example program (graphical language)

Example program (UNO development board):Click to download
Attention: If prompted with an error message about the library file during program upload, please import the library file first!
Download and import tutorial of Mixly IDE Arduino library:Click to view

Example Program (ESP32 Development Board):Click to download
Attention: If prompted with an error message about the library file during program upload, please import the library file first!
Download and import tutorial for Mixly IDE ESP32 library:Click to view

8. Setting up the Test Environment

Arduino UNO Test Environment Setup

Prepare Components:

• HELLO STEM UNO R3 PRO DEVELOPMENT BOARD *1

• USB TYPE-C DATA CABLE *1

• TM1650 4-digit LED digital tube module (HS-F14A) *1

• 1P female-to-female Dupont wire *4 pieces or 4P female-to-female Dupont wire *1 piece

Circuit wiring diagram:

ESP32 Test Environment Setup

Prepare Components:Pending update...

Circuit wiring diagram:Pending update...

9, Video tutorial

Video tutorial:Click to view

10, Test results

Arduino UNO test results:

After the device is connected to the line, after the above program is burned to the Arduino UNO development board, after the U+ program cartoon electricity is applied, it will be found that the digital tube displays the number automatically +1 every second.

ESP32 Test Results:

Pending update...