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Logic Type: (8-bit Addressable Latch
Supporting three modes: AP
74HC155 2 - 4 Line Decoder / Demultiplexer Integration with 4 outputs works with a supply voltage between 2- 6 V
it detects knocks
Tilt Detection Sensor Module (Mercury Switch) Light Sensor (digital) Logic Type: (8-bit Addressable LatchIntroduction: A mercury switch is an electrical switch that opens and closes a circuit when a small amount of the liquid metal mercury connects metal electrodes to close the circuit. There are several different basic designs (tilt, displacement, radial, etc.) but they all share the common design strength of non eroding switch contacts. The most common is the mercury tilt switch. It is in one state (open or closed) when tilted one direction with
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