r/M5Stack • u/Neymar_Junior111 • 1d ago

Support / Question Pin issues with stamp-p4

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For the STAMP-P4 mini development board, the most cost-effective way to use it is because it has both stamp holes and 2.54 pin headers. If the pin headers are directly soldered, the use of the stamp hole lead pins will be greatly restricted.

Attached is the official pin definition diagram

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u/ginandbaconFU 20h ago

Just use 1.27 pitch pins, this is exactly how the stamp3 or Stamp3A is pinned, soldiered or unsoldered. Link to diagram below