1 Channel Power Relay Module 250V/10A 5V Control for Arduino
This SPDT Power Relay Module is a digital switch designed to control higher voltages and currents than a typical microcontroller board can handle. With a 5V logic voltage input, the relay can switch on or off to allow current flow, depending on the wiring. This 1-channel 5V control board can be controlly by a microcontroller and switch up to 10 amperes at 250 VAC. The default state of the relay when the power is off is for COMM (power) to be connected to NC (Normally Closed), which is the equivalent of setting the relay board IN pin to HIGH. It is an affordable option for those looking for a reliable power control module for their Arduino projects.
4 Channel 5V Relay Module 250V 10A Relays for Arduino, Automation & IoT. The default state of the relay when the power is off for COMM (power) to be connected to NC (Normally Closed). This is the equivalent of setting the relay board IN pin to HIGH (has +5v sent to it).
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