1 Custom Cables & Guide to Crimping Dupont PCB Interconnect Cables
Linked a couple of times as a demonstration of Dupont style connectors and cable assemblies for breadboard and GPIO wiring.
Channel
3 recommended videos. Channel on YouTube
Linked a couple of times as a demonstration of Dupont style connectors and cable assemblies for breadboard and GPIO wiring.
Explains hardware debouncing of switches with an RC network feeding a Schmitt trigger inverter, part of a series people cite when cleaning up clock inputs.
Derek Molloy's walkthrough of building a bare bones Arduino on a breadboard, suggested as a cheap step towards designing custom boards.