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4 Channel 5V Relay Module Relay module for Arduino TTL logic
Relay Module
4 Channel 5V Relay Module Relay module for Arduino TTL logic
5
Buy at Amazon.com
4 Channel 5V Relay Module Relay module for Arduino TTL logic
5
Buy at Amazon.com
Customer Review
The delivery arrived within the specified period.
The device works with my previous tests entirely properly.
Since it can be connected to the mains voltage, the finished building for security reasons seems sensible to me.
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