Probably going to use it for crankbaits and topwaters I really dont want to spend for than $50 on a rod.
I believe motion is a key trigger of most of these PIR devices (at least the motion detecting ones). That is, without the hot spot moving, it won't go off. Also, if you cover too much of the lens it might just confuse it for the ambient temperature increasing. What you might try is having your heating element connected to one end of a heat sink, so when the power was turned on the heat would travel across the sink. Then put that in the field of vision. But this might be too slow to set it off.
The longer your 2x4 is, the better it will work. just link the 2x4s together and drop one end on the other with the can in between.
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