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Quad 2-input NAND gate. Triple 3-input OR gate. BIN counter asynchronous reset. For needs like you describe, there is always the option of using a small microcontroller and implement the functionality you need.

Triple 3-input NAND gate. I just thought that if I could have something external count the pulses, I could have the Arduino doing something more important. BCD to decimal decoder. I don’t know how often the pulses will be coming in, because it will depend on what the sensor is detecting.

Dual 2 to 4 line multiplexer.

You can use a 74HC 8 bit counter feeding into one side of a 74HC85 magnitude comparatorthen feed the other side from a shift register 74HC Schmitt Hex inverting gate. Hex 2-input NOR enable dxtasheet. BCD counter asynchronous reset. Dual D type flip flop 4-bit. Into the feed your number with the shift out tutorial. Octal edge triggered latch. I am doing a handful of analog readings which as I’ve read take significant amount of timeI am currently driving 2 servos PWM outputand I still have more features I am trying to add.


This is available free of charge from the Adobe web site. I have never used it, but judging from the datasheet it would seem so.

74HC85 Datasheet, 74HC85 PDF – Free Datasheets, 4-bit magnitude comparator

Hex inverting buffer gate. To view Acrobat files you must install Adobe Acrobat Reader. Hex inverting schmitt trigger. I didn’t see your answer until after! Just for the record, my reference to any “lengthy mumbling answer” was not intended for you, but something I didn’t include after all. BCD counter synchronous reset. Triple 3-input Datawheet gate.

Dual D type flip flop E-trig. Dual 4-input NOR gate.

74HC85 4 Bit Magnitude Compare Logic IC

Hex 3-state inverting buffer. But it will cost you some 2 PWM outputs for each timer you use.

Is there any chance the Arduino might miss this “count reached” signal? A quick googling gave me theor 74HCT, datashewt might fit the bill. Octal 3-state bus tranceiver.

Dual monostable multi vibrator. Quad 2-input exclusive OR gate. Logic Data sheets Series Component. Octal 3-state inverting buffer. Triple 3-input AND gate. Quad 3-state buffer Lo enable. Quad 2-input 3-state mux. I also wrote a somewhat lengthy mumbling answer combining presettable counters and whatnot, but then I remembered there are those things called “divide-by-N” datasheet. Grumpy Mike, your circuit might be the ticket! I’m not sure how the hardware interrupt is made. Dual 4-input NAND gate.

  IEC 62320-2 PDF

74HC85 Datasheet PDF –

Quad 2-input AND gate. Click on the appropriate section below for the relevant data sheets. Octal 3-state D type flip flop. Quad 2 to 1 line mux Inverter. Octal transparent inv op latch. Quad 2-input NOR gate. We hold data-sheets on many items that are found in the stores inventory.

It can divide the 74h8c5 frequency from 3 to I didn’t want to use the Arduino directly. Quad 2-input OR gate.