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Topic: Help me please (Read 608 times) previous topic - next topic


I have an Arduino Uno with a relay shield attached, the relay shield works with digital pin 4 off the arduino. I need help making the Arduino reveive PPM code from a receiver that will tell the pin 4 to go low, only for a very short time. Pin 4 needs to be set to always high until told to go low to activate the relay.

This is for wireless starting of a  remote control lawn mower I am working on for a school project. Any help would be appreciated.



If you're using an RC receiver to control the Arduino then it's not really ppm that you're using - it's just servo pwm. The Arduino can send and receive servo PWM signals easily enough. I suggest you look for examples in the playground.
I only provide help via the forum - please do not contact me for private consultancy.

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