Board |link| Free — Sis001

It depends on your risk tolerance.

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| Parameter | Value | |-----------|-------| | Board Size | 51 mm × 51 mm (2 × 2 in) | | Thickness | 0.8 mm | | Mounting Holes | 4 × 3 mm (corners) | | Silkscreen | 4‑layer (copper on both sides + power plane + ground plane) | | RoHS | Compliant (lead‑free) | | Certifications | CE, FCC, IC, RoHS, WEEE (Free Edition) | It depends on your risk tolerance