I am having a problem with a new build. I made a controller to for lights and 3 sprinkler heads. the lights work fine but I have this very strange transient activation of the sprinklers. It happens after I start any of the three sprinklers, they will just randomly turn on, sometimes its all three, …

Solved! I'm not the best at details and I missed a big one! I have some power controlled by TIP 120 transistors and some by relays on different Pi's and different flows. Each type of device uses different numbers for on or off. The relays turn on with 0 the TIPS turn on with 1. I cut and pasted a…

ukmoose 3 October 2019 20:58 2

So NaN means not a number.

Have you thought of writing the values to a file so you can determine what you are sending which might make it easier to work out where they are coming from?

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Random and expensive relay behavior

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