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Questions tagged [7-segment]

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It refers to a seven-segment display (SSD) is a form of electronic display device for displaying decimal numerals.

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I am using this 4-digit 7-segment display. So my circuit is basically 220 ohm resistors for all the segments (display pins 6 through 16 on the bottom each go through a resistor before going to a ...
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I am using the following TM1637 board with an Arduino Pro Micro clone. I am attempting to use the "TM1637Display Library" written by Avishay Orpaz, but I cannot find any way to use the four ...
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/* MODIFIED TRAFFIC LIGHT SYSTEM W/ A COUNTDOWN TIMER FUNCTION BY JOHN SEONG THIS IS A QUITE ACCURATE SIMULATION OF TORONTO'S TRAFFIC LIGHT SYSTEM WHICH INCLUDES TWO 7-SEGMENT DISPLAYS THAT SHOW THE ...
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I am trying to run a thermometer with thermocouple sensor on Arduino Nano. I have bought 4x 7 segment display and 74HC595 chip. Everything is connected like in the attached diagram below (without ...
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(Backstory) So, I took an computer engineering class in high school (grade 11 level), where I learned a bit about breadboarding as well as arduinos (I would like to stress a bit). It has been 5 years, ...
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Here's a brain teaser for you: I have the following 3 digit 7 segment display that has only 6 wires Experimentally I found out how it works, even though I don't understand it, but anyways every ...
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I am using MAX7219 8 digit 7 segment displays with Arduino Mega2560. Now, I have to physically space out the displays far from each other. Hence, after a certain distance the displays on the far end ...
Soumarya's user avatar
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I recently wired up the following ill-advised circuit: A common-anode display is wired with its cathodes connected directly to LEDs connected to ground. But the strange thing is that it worked ...
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I have tried many combinations and I can get the Attiny85 to display on the TM1637 just fine, but I cannot get ant readings from the DTH11, tried different pins, libraries. I upload code via UNO as ...
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I need to connect five 7-segment displays using Tinkercad. We know that Tinkercad doesn't have an Arduino Mega to use its pins. How can I do this without the Arduino Mega?
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I am attempting to make an Arduino counter using a 4 digit 7 segment display. The problem I am encountering is the display flickers. I am using an Arduino Uno and 5641AS digit display (so common ...
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I'm trying to run a 3-digit 7-segment using single 74HC595 based on Arduino. But I have a serious problem with delay() function. When I want to count from 000 to 999 with delay(1000), this delay ...
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I have a project that is simply a relay timer. The code is not complete so you will see 'in progress' sections not related to my question in my code. However, my question is... I am creating a timer ...
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Please take this question as an example to (my own) answer below. I've got an 7 segment, 4 digit LED display, but I don't have any idea on how to wire it. I don't understand the difference between ...
aaa's user avatar
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#include <Arduino.h> #include <math.h> //TRUE RMS START #include <Filters.h> //Easy library to do the calculations #include <TM1637Display.h> float testFrequency = 100; ...
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I have 3 digit 7 segment display with 10 pins I found this image pinout but it not working for me I need to know the pin out of this display
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I am having main controller circuit board that give the data such as ("HAI", "HELLO") to 5 pin SPI Connector mounted on the same board. In that 5 pin SPI connector I could connect separate circuit ...
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What happends if I turn on all LEDs at the same time in an 4 digit 7 segment display? that would be 32 LEDs turned on at once, wouldn't that exceed the 200ma MAX for the arduino output?
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I'm new to Arduino, electronics, and this forum. I have made up a little project that connects an HC-SR04 ultrasonic range detector, and displays the distance on a 4 digit, 7 segment LED display. ...
nedlud's user avatar
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I used sevseg.h library to write numbers to my 4 digit seven segment. The display should update every second with the current time since program started running. This is my code so far: #include <...
shurup's user avatar
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I've just configured a segment LCD and driver, everything works fine, but because I decided to not use vias on the PCB, the connections between the two are mixed. To be more precise, in order to ...
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I'm an Arduino newbie having problems with 4 digit 7 segments display. I want to display some thousands to 4 digit 7 segments display but it display only 0000. I want to receive data from serial with ...
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I want to control a 7 segment display that has a TM1637 integrated with an ESP32. Some time ago I created a layout that used an ESP12e but I need more GPIO pins so I'm switching over to an ESP32. ...
Tvde1's user avatar
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I have written the code that should work, but for some reason the numbers do not display correctly. When I choose to display 3 times the same number it works correctly (so pin connections are correct) ...
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First off, I'm not really sure if it belongs here on on electronics stackexchange, since it involves an Arduino, some code and a small circuit. I'm trying to create a simple countdown timer using a 7 ...
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