I while ago, I build a hand-powered POV. Now it’s time to transform it into a more sophisticated Mobile POV!
Here is a short video to show you how the POV is working.
As you will probably notice, the camera refresh rate is much faster than me. This should not be a problem once the POV is on a fast enough motor.
Today I received the 330Ohm-resistors and bright blue LEDs I ordered. Each LED now has its own resistor, which makes all of them equally bright all the time.
So now I removed the old LEDs, replaced them with new ones, and moved them to the board to be on a straighter line. Now the LEDs are connected so that I don’t need the mirror()-function anymore. That makes the program faster and more synchronized. I also changed a bit the led()-function as I noticed that every led()-function was followed by a wait()-function and implemented some more characters.
Here are some new pictures and the new code:
NEW VERSION HERE.
This week I’ve been working on a POV. It’s my first microcontroller project ever, and it has been fascinating. The microcontroller I used is an Atmel ATMEGA16 programmed with an Atmel AVR Dragon.
The next step is to make it turn around on a motor and calibrate itself automatically with help from a base-placed IR-diode. I have even talked with a local company that will hopefully provide me with a Bluetooth module to make the possible dynamic text change from a mobile phone or any other Bluetooth device.
For those who don’t know, POV stands for Persistence Of Vision.