Temperature Displayed on 4 Digit 7 segment using Arduino




In this project I’ll display the temperature in a 4 digit 7 segment display (common anode).
The sensor is the cheapest you can find so actually the temperature changes pretty easily which makes the display to show always different temperatures.

Arduino Temperature Displayed




But the idea is to apply this code to other projects with 7 segment displays that I might do later. if you want to learn a bit more of 7 segment displays you can read more at this post I’ve made.

This project is great to learn more about:

  • Reading sensors (in this case temperature)
  • 7 segment displays (4 digit 7 segment displays)
  • 8 bit Shift Registers (74HC595)
  • Pratice wiring

and for more project and tips you can also check my website:
http://randomnerdtutorials.com/
You can see this project working right now:

 

Step 2: Schematics

Arduino Temperature Displayed schematic

I think it’s a bit hard to follow the yellow connections with this schematic.
So i recommend that you take a look at the 74HC595 pins and to the internal circuit diagram of the 4 digit 7 segment display (common anode).
So how does the yellow connections were made?
Basically  the pin 11 connects to the QA, the pin 7 to the QB and so one…

Major Components in Project

Parts Required

  • 1x Arduino Uno
  • 1x Temperature Sensor (I’m using the LM335Z)
  • 1x 4 Digit 7 Segment Display (common anode)
  • 1x 74HC595 8 Bit Shift Register
  • 8x 220 Ohm Resistors
  • 1x 4700 ohm Resistor
  • 1x Breadboard (or  two)
  • Jumper Cables

For more detail: Temperature Displayed on 4 Digit 7 segment using Arduino




This Post / Project can also be found using search terms:

  • temperature avr display project download
  • 7 segment sensor display
  • 74164 ic using project
  • 8 digit 7 segment 2 74hc595
Clip to Evernote

Comments (2)

Leave a Comment

(Spamcheck Enabled)

Read previous post:
A compact, Arduino altimeter for RC Planes
A compact, Arduino altimeter for RC Planes

Please vote for this Instructable if you think it deserves it! Thanks! The Ultimate Altimeter is a super-compact, Arduino controlled...

Close
Scroll to top