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Rubbing two sticks together will cause friction
You have a raspberry pi connected to all the sensors and a code running to trigger if the sensors are triggered. Each sensor and keypad would run to a different input on the pi. They should al be able to be powered with a single cell lipo. Is that what you are asking?
Answer:
modulator
Explanation:
A modulator is a device that performs modulation.
(Single conversation)
delete command is your answer i tink
