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  1. How to make a 20 LED chaser with 4017 ? | All About Circuits

    Apr 28, 2024 · How to make a 20 LED chaser with 4017 ? But only 1 led at a time and counting from 0 to 20.

  2. 555/4017... EVIL STUFF! - All About Circuits

    Oct 30, 2025 · oK, I would like a 4017 driven by a 555 oscillator, upon pressing a pushbutton (using leds),count from 1 to 9, then stop on led10, reset to zero, and do nothing until the button is pressed …

  3. Various 4017 Things. - All About Circuits

    Dec 8, 2024 · To fix this, the circuit uses the 4017 Clk En input as a negative-going clock input. There is a trade-off - A common characteristic of any hysteretic oscillator (including 555 circuits) is that the …

  4. NE555, CD4017, and ULN2004 - All About Circuits

    Apr 25, 2025 · Pin 13 on the 4017 goes to ground. Pin 15 needs a 10K resistor to ground and possibly a 100nf capacitor from pin 15 to +5V as a reset when initially powered ON. Return C4 on pin 5 of the …

  5. 4017 and 4060 against a CD4017 and CD4060 - All About Circuits

    Dec 10, 2024 · A 4060 and a 4017 is a 4060 and a 4017, regardless of whether the prefix is CD or MC1 or HCF or HEF. They are just the prefixes of different manufacturers.

  6. LTspice model for CD4017? - All About Circuits

    Oct 27, 2014 · Now I'm having a different issue with the 4017 model: This model is supposed to allow using the actual circuit voltage as entered into the attributes for the symbol.

  7. 4017 IC In PROTEUS - All About Circuits

    Nov 20, 2017 · Respected Seniors, I am using IC4017 as a frequency divider to convert 100khz to 10khz. But the system designed by me is not working in Proteus. I think there’s a problem in my …

  8. How to run a 4017 (Decade Counter) once and then stop?

    Jun 27, 2015 · I would like to run a Decade counter circuit (controlled by a astable circuit) once and then stop (see picture below). This circuit does intend what I try to do. But it keeps looping, so I need a …

  9. 555 & 4060 repeatable timer help ...#2 - All About Circuits

    Feb 5, 2025 · 1800 seconds is a looooong time for an R-C timer. Better to stick with the 4060. So far, there is no explicit reason for there to be feedback from the 555 back to the 4060. 1. Using the …

  10. Ic 4017 with multiple leds on every output - All About Circuits

    Dec 13, 2020 · Hi. I am building a LED Chaser Circuit using IC 4017 and IC555 i would need each 4017 output to switch about 50 LEDs.. can a transistor on each of the 10 ic4017 outputs handle this? all …