Currently, this project assumes the AVR ATmega168 MCU is hosted on the AVR STK500 development board with a 20MHz external crystal and the VTarget voltage set to 3.3V. The spare serial port on the AVR STK500 is utilized to output the pitch values for each axis at 57.6K baud. The SparkFun IMU 5 Degrees of Freedom is attached to the AVR ATmega168 MCU on the STK500 as described below: STK500 PINS IMU 5 DF JP1 PINS VTG 3.3V (Pin 1) GND GND (Pin 2) PC0 (ADC0) X Accel (Pin 9) PC1 (ADC1) Y Accel (Pin 8) PC2 (ADC2) Z Accel (Pin 7) PC3 (ADC3) X Rate (Pin 3) PC4 (ADC4) Y Rate (Pin 4) PC5 (ADC5) VRef (Pin 5)

AVR_IMU_1
.........\AVR_IMU
.........\.......\adc.c
.........\.......\adc.h
.........\.......\AVR_IMU.aps
.........\.......\integrator.c
.........\.......\integrator.h
.........\.......\kalman.c
.........\.......\kalman.h
.........\.......\main.c
.........\.......\README.TXT
.........\.......\timer.c
.........\.......\timer.h
.........\.......\usart.c
.........\.......\usart.h

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