Vibration problem with Stamp 2
MattF1C
Posts: 2
I have been building controllers for model airplanes for many years useing Stamp 2s. Some of them are used in models with motors that run at around 34k rpms.
I have found that some of these controllers work on the bench but stop as soon as I start the motor. Even after I stop the motor the Stamp is still dead, but it has 5V power. If I cycle the 5v power then the stamp will start again. I have found that in some cases covering the Stamp and all the wires connected to the Stamp in epoxy will eliminate the problem. But this does not work in all cases. Recently I used a Stamp 2 PE for this application and had the same problem.
How do I eliminate this problem?
I have found that some of these controllers work on the bench but stop as soon as I start the motor. Even after I stop the motor the Stamp is still dead, but it has 5V power. If I cycle the 5v power then the stamp will start again. I have found that in some cases covering the Stamp and all the wires connected to the Stamp in epoxy will eliminate the problem. But this does not work in all cases. Recently I used a Stamp 2 PE for this application and had the same problem.
How do I eliminate this problem?
Comments
Out of curiosity, do you have a scope available to view the status of the Stamp's reset pin? I'm wondering if it's getting hit with electrical noise when the motors are running.
...deeerrrrrrrrrrrrrr - that could rule out reset problems, huh?
I've become so used to people using them new fangled eeelektrik motorotors.
-Phil
I thought I had found the problem. The stamp is running in a ready state while I start the motor then I have to push two buttons to change the stamp control. I disconnected the buttons and the stamp was still running after I ran the gas motor and stopped it. Then I discovered that the the stamp stopped or was running intermittenly while the motor runs then restarted after the motor stopped.