Hello people, I try to make a remote-controlled car and I must to know the duty cycle receive the arduino. The proble is I don't know how to make it. Can you help me? Can you give me a code and explain me? PLEASE!
If I obtain all the code(find and find) I show it to all.
If you don't understand my english is because i'm spanish. Good Bye! Thank you!
The code you can get from a link is not easy to comprehend as PulseIn command, but more accurate:
http://interface.khm.de/index.php/lab/experiments/frequency-measurement-library/
If I understand you correctly, you're planning to have an ordinary remote control system, and connect one of the channels up to an Arduino instead of to a servo. So you have a pulse width modulation signal at 50Hz, with a pulse width of around 1ms and a pulse interval of 20 ms.
I suppose you could keep reading the input signal very frequently and try to detect the high/low transitions, but that sounds like a very inefficient approach. If you can get it to trigger an interrupt, that would work better. This sounds like the sort of problem that the robot community will have tackled long ago, so you might find an easy answer if you ask the same question on a robotics forum.
I don't understand... Thank you to try teach me the concept