1.5v step up to 5 v break out board
AAA batery step up to 5V — how to set up voltage from AAA 1.5v to 5v
band pass filter — rc hardware
dc to dc step up voltage circuit
high pass filter — rf hardware high pass
how to reduce accelerometer noise.
kalman filtered code for wii remote accelerometer
Kalman Filtered Nunchuck & Wii Motion 2 — many people viewed this post
Learning Kalman filter — this site describe what is kalman filter and how it will filter accelerometer data.
long average filter — can be use for calculating variance within a long array
low level programing microcontroller — bit wise, pin set, c code
sleep mode — sleep mode testing code; changing sleep mode code for different mode