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Very nice quality! Works perfectly. The feature that allows different voltage for logic and relays is just great
Verified purchase: Yes | Condition: New
These relays are perfect to use with a Raspberry Pi, & I already run several on various projects. As long as you remove the jumper, then connect JD-VCC to +5v and VCC to +3v3, they work flawlessly. The indicator LED that comes on when the relay switches is really useful, but they make a "click" sound anyway, so you know something is happening. Usefully, you have the choice of wiring each of the relays in either a default connected or disconnected state on power down. They can handle a DC voltage, or normal mains 240V AC.
Verified purchase: Yes | Condition: New
Easy to use and interface with new and existing projects. I used three of the relays on the board for direction and power control to lifting motor and all worked as expected.
Verified purchase: Yes | Condition: New
Very easy to connect to my Arduino and MERG CBUS systems. Convenient to locate underneath my model railway.
Verified purchase: Yes | Condition: New
Used to switch 4 devices via mobile phone on my Raspberry Pi 4 & it works flawlessly. Recommended A+++++
Verified purchase: Yes | Condition: New
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