# 4017 Chaser ## Description Running LED circuit that utilizes a 555 clock output and a decade counter. It runs when the push-button is held down and then slowly stops once it is released. ## Project Details - **Owner:** zlacava - **Created:** 1/19/2024 - **Last Updated:** 9/27/2025 - **Visibility:** Public - **Stars:** 2 ## Key Components ### 4017 — [CD4017BE](https://www.flux.ai/adrian95/cd4017be.md) - Part Type: Integrated Circuit - Manufacturer Part Number: CD4017BE - Datasheet URL: https://www.ti.com/lit/ds/symlink/cd4017b.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments **Pins:** - 0_ [pin 3] - 1_ [pin 2] - 2_ [pin 4] - 3_ [pin 7] - 4_ [pin 10] - 5_ [pin 1] - 6_ [pin 5] - 7_ [pin 6] - 8_ [pin 9] - 9_ [pin 11] - CARRY_OUT [pin 12] - CLOCK [pin 14] - CLOCK_INNIBIT [pin 13] - RESET [pin 15] - VDD [pin 16] - VSS [pin 8] ### D1 — [LED THT](https://www.flux.ai/jharwinbarrozo/led-tht.md) - Saturation Current: 93.2e-12A - Emission Coefficient: 3.73 - Series Resistance: 0.42Ω - Breakdown Voltage: 0V - Forward Voltage: 1.70 **Pins:** - A [pin 2] - K [pin 1] ### D10 — [LED THT](https://www.flux.ai/jharwinbarrozo/led-tht.md) - Saturation Current: 93.2e-12A - Series Resistance: 0.42Ω - Emission Coefficient: 3.73 - Breakdown Voltage: 0V - Forward Voltage: 1.70 **Pins:** - A [pin 2] - K [pin 1] ### D2 — [LED THT](https://www.flux.ai/jharwinbarrozo/led-tht.md) - Forward Voltage: 1.70 - Breakdown Voltage: 0V - Emission Coefficient: 3.73 - Series Resistance: 0.42Ω - Saturation Current: 93.2e-12A **Pins:** - A [pin 2] - K [pin 1] ### D3 — [LED THT](https://www.flux.ai/jharwinbarrozo/led-tht.md) - Breakdown Voltage: 0V - Forward Voltage: 1.70 - Emission Coefficient: 3.73 - Series Resistance: 0.42Ω - Saturation Current: 93.2e-12A **Pins:** - A [pin 2] - K [pin 1] ### D4 — [LED THT](https://www.flux.ai/jharwinbarrozo/led-tht.md) - Series Resistance: 0.42Ω - Emission Coefficient: 3.73 - Saturation Current: 93.2e-12A - Breakdown Voltage: 0V - Forward Voltage: 1.70 **Pins:** - A [pin 2] - K [pin 1] ### D5 — [LED THT](https://www.flux.ai/jharwinbarrozo/led-tht.md) - Saturation Current: 93.2e-12A - Emission Coefficient: 3.73 - Series Resistance: 0.42Ω - Breakdown Voltage: 0V - Forward Voltage: 1.70 **Pins:** - A [pin 2] - K [pin 1] ### D6 — [LED THT](https://www.flux.ai/jharwinbarrozo/led-tht.md) - Series Resistance: 0.42Ω - Emission Coefficient: 3.73 - Saturation Current: 93.2e-12A - Breakdown Voltage: 0V - Forward Voltage: 1.70 **Pins:** - A [pin 2] - K [pin 1] ### D7 — [LED THT](https://www.flux.ai/jharwinbarrozo/led-tht.md) - Series Resistance: 0.42Ω - Emission Coefficient: 3.73 - Saturation Current: 93.2e-12A - Forward Voltage: 1.70 - Breakdown Voltage: 0V **Pins:** - A [pin 2] - K [pin 1] ### D8 — [LED THT](https://www.flux.ai/jharwinbarrozo/led-tht.md) - Emission Coefficient: 3.73 - Series Resistance: 0.42Ω - Saturation Current: 93.2e-12A - Forward Voltage: 1.70 - Breakdown Voltage: 0V **Pins:** - A [pin 2] - K [pin 1] ### D9 — [LED THT](https://www.flux.ai/jharwinbarrozo/led-tht.md) - Saturation Current: 93.2e-12A - Series Resistance: 0.42Ω - Emission Coefficient: 3.73 - Forward Voltage: 1.70 - Breakdown Voltage: 0V **Pins:** - A [pin 2] - K [pin 1] ### NE555P — [NE555P](https://www.flux.ai/vasyl/ne555p.md) - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fse555 - Manufacturer Part Number: NE555P **Pins:** - CV [pin 5] - DIS [pin 7] - GND [pin 1] - Q [pin 3] - R [pin 4] - THR [pin 6] - TR [pin 2] - VCC [pin 8] ### SW1 — [Push Button](https://www.flux.ai/jharwinbarrozo/push-button.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf - Part Type: Switch - Manufacturer Part Number: B3FS-1050P - Manufacturer Name: OMRON **Pins:** - P1 [pin 1] - P2 [pin 3] ### SW2 — [SPDT Toggle Switch on-none-on](https://www.flux.ai/jwwitherspoon/spdt-toggle-switch-on-none-on.md) - Purchase Url: https://www.digikey.com/en/products/detail/e-switch/200MSP1T1B1M2QEH/378916 - Part Type: Switch - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6463/Series%20200%20Switches.pdf - Current: 3A - Manufacturer Part Number: 200MSP1T1B1M2QEH - Manufacturer Name: E-Switch **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### V1 — [DC Supply](https://www.flux.ai/jharwinbarrozo/dc-supply.md) - Voltage: 5V **Pins:** - ANODE - CATHODE *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/zlacava/4017-chaser](https://www.flux.ai/zlacava/4017-chaser).* --- *Generated from [https://www.flux.ai/zlacava/4017-chaser](https://www.flux.ai/zlacava/4017-chaser)*