In short, I made this little project as a proof of concept of something I ‘ve always noticed in many electronic devices those used 7 segment display. Devices like 7 segment display clocks and meters.
In those devices, the 7 segment display was flickering instead of lighting it with steady volt and displaying the number accordingly. That flickering effect may be nice to some people and may be annoying for others.
So I decided to build this project so fast on a breadboard and wrote the C code for it.
The 7 segment displays text in the air ( Air Text )
Components you need :
Here is my Channel on Youtube:
Step 1: Design
In this image you can see the 7 segment connected to the
PIC16F84A Microcontroller on a breadboard and flickering with numbers. I just made this 7 segment display flickers with different numbers I thought that if those flickering devices displayed many numbers at high speed and have been moved , guess what , the POV effect will be produced.
Step 2: Circuit
Here, you can see some pictures of the breadboard while being waved to the left and right in front of the camera. The POV effect here makes our eyes ( and the camera too ) see the numbers as separate from there each other as four digits.
As for the Software , I used HiTech PIC Compiler.
I hope you enjoy this project.
Step 3: Run the Circuit
Here is a short video in 3GP Format.
You can see the video and the post on my blog :
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Source: 7 Segment Pov 16F84