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Working frequency: 20khz-25khz
This is a transducer which converts electromagnetic energy into sound waves
Provides rigid and sufficiently strong support
Can be used as a Digital or analog sensor
Operating voltage (Vcc): 3
74HC138 IC - 3:8 Line Decoder/Demultiplexer IC Power IC Working frequency: 20khz-25khzThe 74HC138 is a 3: 8 Decoder IC which is, it can control 8 output pins (Y0 to Y7) by just using three address pins (A0 to A2) as inputs. The IC also has 3 Enable pins which can be used to cascade more than 1 IC to control more output pins. The IC is used in application where there is a constraint for GPIO pin on the Microcontroller and multiple peripheral control is required. The specification of the IC is give below: 74HC138 IC Specifications and
