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Logic Type: Quad 2-Input OR Gate
when the object appeared to be detected within the detection range of the infrared is reflected back and the intensity is large enough
all the cathode connections of the LED segments are connected together to 'logic 0' / GND
Measuring temperature at hard environments
Industrial Thermal Gun
74HC192 ( Presettable Synchronous Counter) 74HC20 Logic Type: Quad 2-Input ORIntroduction : 74HC193 is a 4 bit synchronous binary up down counter. Separate up downclocks, CPU and CPD respectively, simplify operation. The outputs change state synchronouslywith the LOW to HIGH transition of either clock input. If the CPU clock is pulsed while CPD is heldHIGH, the device will count up. If the CPD clock is pulsed while CPU is held HIGH, the device willcount down. Only one clock input can be held HIGH at any time to guarantee