This Raspberry Pi DIY Soldering HAT Hole expansion board is compatiblewith Raspberry pi 4B, 3B+ and 3B. Raspberry Pi pins are all available andall GPIO are drawn out with clearly-marked pins.Copper pillars are applied to stabilize the expansionboard on the Raspberry Pi , and long screws arematched to expand the bottom space for ventilationand heat dissipation.
Parameters
Operating temperature: -10C-50′
CDimensions: 66*57 mm
Dimension of positioning holes: 3 mm
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