# Nintendo Controller ## Description Original Nintendo Entertainment System (NES) controller. Just like the originals, it uses a CD4021B 8-bit shift register to send serial data of the button state to the console. ## Project Details - **Owner:** donly - **Created:** 2/27/2024 - **Last Updated:** 2/29/2024 - **Visibility:** Public - **Forks:** 5 ## Key Components ### U1 — [CD4021BE](https://www.flux.ai/robertdalesmith/cd4021be.md) - Purchase Url: https://www.digikey.com/en/products/detail/texas-instruments/CD4021BE/67261 - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fcd4014b - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments - Manufacturer Part Number: CD4021BE **Pins:** - CLOCK [pin 10] - P/S [pin 9] - PI-1 [pin 7] - PI-2 [pin 6] - PI-3 [pin 5] - PI-4 [pin 4] - PI-5 [pin 13] - PI-6 [pin 14] - PI-7 [pin 15] - PI-8 [pin 1] - Q6 [pin 2] - Q7 [pin 12] - Q8 [pin 3] - SERIAL [pin 11] - VDD [pin 16] - VSS [pin 8] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/donly/nintendo-controller](https://www.flux.ai/donly/nintendo-controller).* --- *Generated from [https://www.flux.ai/donly/nintendo-controller](https://www.flux.ai/donly/nintendo-controller)*