This is one of my Arduino based Halloween prop controllers. Firstly, it supplies power (adjustable) to the prop so you don't need batteries. You can simply run 12V to the controller.
The board takes a PIR (or switch) trigger input. It also features a lock-out time so that the prop can't be re-triggered too soon.
It has outputs for the try-me button on the prop, as well as an aux switched output (same voltage as power input). The latter can be used to turn on separate prop illumination for the animation duration as an example.
So, the PIR triggers my board, which in turn pulses the try-me button input on the prop. At the same time the aux output activates to turn on the scene lighting. The controller doesn't know when the prop is finished, so you have to set the time in the Arduino program.
In this video I'd already removed the original controller from the prop for experimenting so it didn't have the jaw or LED eyes connected.
View: https://www.youtube.com/watch?v=FK6iCh4b8Do
The board takes a PIR (or switch) trigger input. It also features a lock-out time so that the prop can't be re-triggered too soon.
It has outputs for the try-me button on the prop, as well as an aux switched output (same voltage as power input). The latter can be used to turn on separate prop illumination for the animation duration as an example.
So, the PIR triggers my board, which in turn pulses the try-me button input on the prop. At the same time the aux output activates to turn on the scene lighting. The controller doesn't know when the prop is finished, so you have to set the time in the Arduino program.
In this video I'd already removed the original controller from the prop for experimenting so it didn't have the jaw or LED eyes connected.
View: https://www.youtube.com/watch?v=FK6iCh4b8Do