David Cheney's Discussions

David Cheney's Discussions (2)

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Interrupt driven sensors; HC-SR04 rangefinder; implementation questions

I'm attempting to integrate an HC-SR04 sonar range finder into my APM 1.x quadcopter rig. It doesn't really fit into the model used for the other sonar drivers as it doesn't have a analog proportional voltage output, instead it uses a trigger and pul

a plethora of ESC problems, beep behavior

I've just finished building my first quadcopter using a kit that's about a year old (APM 1.x). I calibrated all four motors using the manual method (auto-calibration didn't work) and had one successful test run where all four motors responded to thro

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Interrupt driven sensors; HC-SR04 rangefinder; implementation questions

a plethora of ESC problems, beep behavior

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