กลับไปหน้ารวมไฟล์
7-segment-integrated-circuit-ef3363-en.md

There are ~58,000,000 tutorials on how to use binary and an integrated circuit to control LEDs and the like. There had to be a simpler way. Using a spreadsheet I sort of simplified the char > binary > hex > what?? process.

This is the "for dummies" version that I came up with to make do, easy peasy!

EXPANDED TECHNICAL DETAILS

Digital Logic Interfacing

This project demonstrates how to offload LED driving tasks from the Arduino to a dedicated Integrated Circuit, such as the 74HC595 Shift Register or the CD4511 BCD-to-7-Segment Decoder.

  • BCD-to-7-Segment: By using an IC like the CD4511, the Arduino only needs to output 4 bits (Binary Coded Decimal) to represent digits 0-9. The IC handles the complex logic of which segments (A-G) to illuminate.
  • Shift Register Efficiency: If using a 74HC595, the Arduino converts a serial byte into 8 parallel outputs, allowing for the control of multiple digits using only 3 pins.

Hardware Architecture

  • Common Anode/Cathode: Explains the circuit differences between the two types of 7-segment displays and how to wire the current-limiting resistors correctly to protect both the IC and the LEDs.

ข้อมูล Frontmatter ดั้งเดิม 

title: "7-Segment + Integrated Circuit"
description: "Use only 3 digital pins on your Arduino to display characters on the single digit 7-segment display."
author: "goarray"
category: "Screens & Displays"
tags:
  - "lights"
  - "clocks"
  - "robots"
views: 13119
likes: 6
price: 450
difficulty: "Easy"
components:
  - "1x Arduino UNO"
  - "1x Solderless Breadboard Full Size"
  - "20x Jumper wires (generic)"
  - "1x 7 Segment LED Display, InfoVue"
  - "1x Shift Register- Serial to Parallel"
  - "8x Resistor 220 ohm"
tools: []
apps:
  - "1x Windows 10"
  - "1x Arduino IDE"
downloadableFiles: []
documentationLinks: []
passwordHash: "0cd80f1c0676b587041b7037a3eb4e70dc1e17dcc3845bbb80b6d8920d1e27f3"
encryptedPayload: "U2FsdGVkX1+67pt+tbovXZAvCwm2T5aL1eh7wo0T7SPD8IjGjQMTnV9i2Q3vwZelr3txTzUjOjG+iRNRVkO+TS6lntGOP/ShYU1wRA7AtCemlnZ9a7qR346T4PFg0Wkg"
seoDescription: "Control a single digit 7-segment display using only 3 digital pins on your Arduino with an Integrated Circuit."
videoLinks: []
heroImage: "https://cdn.jsdelivr.net/gh/bigboxthailand/arduino-assets@main/images/projects/7-segment-integrated-circuit-ef3363_cover.jpg"
lang: "en"