I need help with a digital servo project

by Joe
(Oshkosh)

Friends,

I have a Zenith 750 aircraft i am building and I have a project I am working on.

I would like to use a digital servo to move a lever with no load 1.5 inches back and forth for heater control. Is there a way I can use a servo to work on a on/off basis and limit the travel to 1.5 inches without using a transmitting controller?

I was thinking about using a servo tester and have a variable rate heater control but I need to set the left right limits similar to the steering a mode car or operating the elevator on a model plane. Does anyone have any ideas they want to share? Thanks! backstagelive@gmail.com

Joe

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PWM solution
by: rcdude07

Servos work on a PWM (pulse width modulation) signal. You can use any small computing device (Arduino, etc...) to program the signal and timing you want to do. In 2008 during college I used a Sun Systems SPOT connected to two servos to program autonomous driving movement (in addition to other sensors for seek and avoid work).

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