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2-channel USB Relay Box

2-channel USB Relay Box

thingiverse

A compact enclosure for $3 Chinese-made two-channel USB relay modules is available. This project necessitates four M3x25 bolts and matching M3 nuts. **WARNING:** The boards are capable of switching 240V mains power, but this enclosure provides no safeguards to safeguard the user. Therefore, it's only suitable for low-voltage applications.

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