Arduino Thermometer




Its hot here in Los Angeles! Besides the massive drought California is in, Its not as cool around here lately. I wanted to build something to see just how hot it really was, and here it is!

Read this instructable and Ill teach how you can turn just a few components you have into an accurate mini desktop thermometer!
I hope you enjoy the project and vote for it for the contests!




Lets Build It!

Step 1: You Will Need…

If you would like to make this project, you will need:

  1. LM35 sensor (Already had)
  2. Plastic Tupperware (Free)
  3. Breadboard (Already had)
  4. 9v Battery and Arduino 9v clip (Already had)
  5. LCD 16×2 (Already had)
  6. Arduino Uno (Already Had)
  7. Wires! (Already Had)

As you can see, you dont need much. In fact I had these pieces lying around my house so this was FREE!

Step 2: Test the LCD

I wanted to test and see if my LCD still worked. It still worked! Heres how I wired it:

LCD Arduino

1…… GDN

2…… 5V

3…… GDN

4…… PIN 8

5…… GDN

6…… PIN 9

7…… –

8……. –

9…… –

10…… –

11…… PIN 4

12……PIN 5

13……PIN 6

14…… PIN 7

15…… 5V

16…… GDN

Step 3: Add in the LM35!

Take the LM35 and add it in! Heres a helpful guide:

(Ignore the periods)


[ LM35 (Front) ]

[…………………. ]

[_]

I…………I………..I

I…………I………..I

I…………I………. I

(5v)….(A0)…..(GDN)

Step 4: Check Your Wiring

We don’t want any mistakes!

Heres a schematic I used for this project

Step 5: Code!

Now its time to code!

Here the code! (Please If you see anything wrong tell me)

READ  DIY: Measuring Wheel/Surveyor’s Wheel Using Arduino & Rotary Encoder

Step 6: Measure LCD

Now its time to make the case

Measure the LCD protruding sceen and cut a hole just big enough to squeeze over the LCD.

Read more: Arduino Thermometer




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