DevTerm 40-pin Expansion FPC Connector: All Pins in Use?

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check out my mans custom ext breakout

Designing a Ext. Prototyping Breakout (With Raspberry Pi Hat Compatibility)

This thread is for discussing designing an Ext. breakout module for prototyping and potentially connecting raspberry pi hats. Some Design Considerations Cheap Usable as just a PCB (no extra components) 2.54mm spacing with through-hole connectors Compatible (or at least safe) with raspberry pi hats Compatibility I’ve been spending some time getting an iteration worked out. Below are some schematics, layouts, and pin assignments. The main image I’d like to draw attention to is the pin assignm…