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AVR MultiKit

The MultiKit is now obsolete, please look at the MultiKitB

MultiKit is a multi purpose development kit using AVR microcontrollers. It is targeted for anyone who wants to start learning AVR micros. The big thing about MultiKit is that it is also a fully featured Mixed Signal Oscilloscope with frequency analysis

book schematics hex file source code
Manual Schematics Hex Code

The MultiKit demonstrates:

  • LCD Displays
  • Analog to Digital Converters
  • Accelerometers
  • RS-232 Interface
  • XModem File Transfer
  • I/O Multiplexing
  • Negative Voltage Generation
  • Fast Fourier Transforms
  • Random Numbers
  • Fractional Numbers

This topics are demonstrated with 6 applications:

SCOPE: Fully featured Oscilloscope with FFT
BALL: Bouncy ball in a Labyrinth game with tilt control
3D: Demo using accelerometer to change viewing angle of a sphere
PIANO: Mini Piano with dual frequency output
FRCTL: Fractal to demo simple math and random numbers
RS232: RS-232 Terminal

Oscilloscope Specifications:

  • 1 Analog Channel
  • Input Impedance: 1MΩ
  • Maximum Input Voltage: +/- 25V
  • A/D Converter Resolution: 8 bits
  • Maximum Sampling Rate: 3.2MS/s
  • Trigger jitter: 2uS
  • 3 Digital Inputs - 5V level

Oscilloscope Features:

Time Base (S/division): 5u, 10u, 20u, 50u, 100u, 200u, 500u, 1m, 2m, 5m, 10m, 20m, 50m, 0.1, 0.2, 0.5, 1, 2
Gain (Volts / division): 20m, 50m, 0.1, 0.2, 0.5, 1, 2, 5
Horizontal Cursors
Vertical Cursors
Automatic Average and Peak to Peak measurements
Fast Fourier Transform
Export to BMP through RS-232 using HyperTerminal

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Last Updated on Friday, 22 May 2009 11:17  

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Testimonials

I want to say that I really like what I have seen so far, WRT the hardware design. (XMultiKit)
James Tucker
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