Asked — Edited

Strange Behaviour


I am noticing strange behaviour on my EZ-B. I have a crapload of leds hooked up to it and I have noticed that several digital ports will automaticly turn on by themselves. Leds start lighting up, though not all of them. I turn them off and then again they turn on by themselves.

I have tried reading the digital ports and a lot of them seem to be flickering on and off all the time, while only a few stay off. I'm not sure if this is normal but I would like to make it stop turning on ports and leds by itself. Both in a new project as in my own projects it does this. With or without controls, when it is connected it keeps doing this.

This is going on since ive installed the new update, before that everything worked as and when i wanted it to. Whats going on?



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I am noticing this behavior as well after the upgrade to 15.3 Are you seeing this on the higher digital I/O ports only? Only reason is that this is related to another post by coljc85:

Ping Distance Bug Report

There seems to be a pattern developing which should help DJ with the troubleshooting.

D0-D11 seem to be working is looking like the upper ports are behaving strangely.




Yes exactly, port 12, 13, 14, 16, 17, 18 suddenly turn on. Cant say about port 15 because im not using that one at the moment. All the lower ones seem to work fine. As annoying as it is, I'm glad I'm not the only experiencing this. :P


Yes, that is it, I had moved my ping sensors to a lower port, with no change, but then I moved my H-bridge motor controller to lower ports, and now the robot moves forward, smoothly, like it is suppose to with ping radar. I had my motor controller on ports 15-19 with 19 being the PWM port.