For one of our engineering projects, we are creating a system to scare away pests from a garden, and I went to get a few Kingstate KPE-182 piezos since those are used on Simplex TrueAlerts. My question is, what frequency does Simplex power their piezos? It sounds like it is between the 50-100 HZ range doing some testing on it.
Try 2470, 2600, 2730, 2860, 2990 hz sine combined together.
According to this datasheet, it is a 2400-3700 Hz sweep modulated at 120 Hz.
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