What is the purpose of the PPM encoder in APM2?
What is the purpose of the PPM encoder in APM2? Why didn't we use directly the PWM signal produced by the receiver and enter it to the microcontroller ATMEGA2560?
Working with the PPM signal is better than the PWM? if so why didn't we take the signal directly from the frequency demodulator in the receiver which it is a PPM signal and let ATMEGA2560 work as PPM decoder so the response will be faster?
Replies to This Discussion
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Permalink Reply by Umer on -
yes the 328 chip get hot. RC inputs are not detected by mission planner or in the CLI test. Although when i connect servos to the channels of rc receiver they move on the rc tx inputs.
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DeveloperPermalink Reply by John Arne Birkeland on -
Try disconnecting all RC inputs and see if it still gets hot. If so then it has been damaged and needs to be replaced.
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Permalink Reply by Hussien Jarrar Atieh on
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As we know the rc reciever has a built in ppm signal why we didn't take it directly to atmega2560 without using another ppm encoder?
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DeveloperPermalink Reply by John Arne Birkeland on -
Many RC receivers does not have a output pin for the internal PPM signal, and most 2.4ghz systems does not even have a internal PPM signal any longer.
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