re accelerometer request re specified in article apr walter bellcore com deaddio ski bellcore com michael deaddio writes basically i am looking for something to operate in the ranges of accelerations found in an automobile environment i would like the device to operate as a trigger for other systems when the car s deceleration reaches a threshold value which is how i assume some seat belt lock mechanisms and air bag deployment systems work open up one of the airbag control boxes they have inexpensive piezoelectric accelerometers in them i know that the gm cars use the setra units the cheapest way to get such an accelerometer is to cannibalize an existing automotive unit incidentally these things aren t very linear but for the application they would do a fine job scott
