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In this episode I break down a NES-004 brick style controller and explain how it works.
Support the channel on Patreon: / neshacker
Controller Code GitHub Project - github.com/NesHacker/NesExpla...
CD4021 Datasheet (Texas Instruments) - www.ti.com/lit/ds/symlink/cd4...
Chapters:
0:00 Introduction
1:20 Opening a Controller
2:28 NES-004 Electronics
4:18 Button Circuitry
7:10 Reading Controller Data
9:37 Controller Code
16:20 Conclusion