Persistence of Vision (POV) gadgets manifestation a summary when you call them by the air. We've seen a couple of POV projects in the past, but nothing actually this small. Switch off the lights and call the device around and see the summary displayed. The uPOV device is not usually tiny but it uses an accelerometer to time the palm transformation and the manifestation of the summary on the preferred spot. The hardware has been kept as low cost as possible.
The network uses the Freescale MMA7660 3-axis digital low-g accelerometer that expenses reduction than $1.50. The ATMEGA48A microcontroller and 8 2V LEDs are the other principal components. Two timers (8-bit 16-bit) time the oscillations and manifestation of the message. The accelerometer detects alignment and automatically scrolls the summary vertically. A CR2032 silver unit battery powers the device. All source files and schematics are existing that can help you strike the belligerent running with the uPOV project.
Popular POV Projects:
Stunning Illuminated POV LED Clock
Write in Midair with a Simple LED POV Display
POV iPhone App Writes Messages in Midair
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