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all the cathode connections of the LED segments are connected together to 'logic 0' / GND
The IC has four independent stages of full adder circuits in a single package
when the object appeared to be detected within the detection range of the infrared is reflected back and the intensity is large enough
The axis is enclosed with static sealing
74HC192 ( Presettable Synchronous Counter) 74HC20 all the cathode connections ofIntroduction : 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
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