Keyestudio 4-channel Solid State Relay Module Board for Arduino (BLACK)

Keyestudio 4-channel Solid State Relay Module Board for Arduino (BLACK)

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RM5.51
Product Code: 10200191
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Overview

Descriptions: This module is a high-level effective solid state relay, when the input control signal is 0 - 2.5V, the relay will off, and when the signal is 3.3 - 5V, it will on.It is a very useful module for your scientific experiment, come and take one home! Features at a glance: - It is a new kind of contactless switching device which is com...

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