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display board module

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display board module Customers Reviews

  • Simple but good display module

    posted by capetone

    Very useful display module. When you understand how to use it, is easy to get it going on your projects, even if you're not going to use it with arduino.It's very cheap compared to other displays available.
    For those who yet need to know how to use it:Pins 12, 9, 8 and 6 are respectivelly for digits 1st, 2nd, 3rd and 4th from left to right.Pins 11, 7, 4, 2, 1, 10, 5 and 3 are respectivelly leds A, B, C, D, E, F, G and **.It is a 4-digit 7-segment display with common anode. It means that to turn a digit on, leds A, B, C, D, E, F, G or ** must be HIGH and digit LOW.
    Very useful module.
  • simply display... It do, what do you expect.

    posted by mhepp

    It is character display with nice blue backlight, white bright characters. If you own soldering iron, it is simple to use it with various types of microcontrolers. I have connected it to RPi.
    I have connected it via i2c to RPi, this display shows me information about temperature, time and pressure. It is bigger common display (20x4 characters)., but I have usege for bigger one.
    If you want to display, buy them...
  • Nice 4 digit display.

    posted by DrJFM

    Only takes 2 wires to use. Mine was a Catalex as shown. Had seen some complaints about these devices from various sources, but no problems with this one.Used: http://www.seeedstudio.com/wiki/Grove_-_4-Digit_Display for trial sketchs and nice timer routine too.
    Surprised how accurate a clock you get with just the UNO crystal and no correction. Wanted to do something each day at a time +/- a couple of min.If I have to adjust the "clock" once a week, no big deal.
    Ordered a couple more! Will try w ATTiny.
  • Stated white on blue

    posted by Dallco

    After finding the right code piece of cake to use
    use this code:#include <LiquidCrystal_I2C.h>#define I2C_ADDR 0x27 // Define I2C Address #define BACKLIGHT_PIN 3#define En_pin 2#define Rw_pin 1#define Rs_pin 0#define D4_pin 4#define D5_pin 5#define D6_pin 6#define D7_pin 7int n = 1;LiquidCrystal_I2C lcd(I2C_ADDR,En_pin,Rw_pin,Rs_pin,D4_pin,D5_pin,D6_pin,D7_pin);
    Top to get the information out of your arduino. I won't use it for in sight application.
  • Buen kit de iniciacion.

    posted by JakoMeister

    Un kit de iniciacion muy bueno y barato. Es muy facil de soldar. No es necesario un skill avanzado de soldar. Facil de montar y conectar a un Arduino o a un Raspberry Pi. Es facil de encontrar en internet en un buscador el codigo con ejemplos para su funcionamiento. Las conexiones hembra que contiene permite reemplazar una matrix o un chip dañado con facilidad.
    Facil, bueno y practico. Un kit ideal de iniciacion de proyectos DIY en Arduino y sistemas similares.
    Buena compra a buen precio.

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