[sdiy] Don't Touch

[Toby Paddock]

tpaddock at seanet.com writes: 
>>Another option for a tilt sensor is an accelerometer. 
>>Analog Devices makes a 2 axis +/-2g part. The 
>>outputs are PWM, tilt would change the duty cycle. 
>>The part number is something like ADXL202.

CHoaglin at aol.com wrote:
>I used to have a number of accelerometers made by 
>Endevco (read: dozens of them), but I sold them all off 
>since they were worth $$ and I didn't have charge amps. 
>I recall reading about accellerometer-on-a-chip devices 
>though, is the AD part one of those? 
>-Chris 

Yep, they are MEMS (Micro Electronic Machined Sensors 
or Micro Etched... or Machined something something 
Sensors... something). I don't know what package free samples 
are available in now. Mine are surface mount. They are probably 
just bare molicules that no human can solder to now.

One thing about them is they work down to DC. Accelerometers 
that use charge amps are AC, so they won't work for tilt. 

Toby Paddock