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Relays & Contactors

Relays & Contactors. Single or multiple channel relay boards modules for Arduino, Raspberry Pi, Beaglebone and other microcontrollers.

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  • Price: $3.00 - $5.00
Relay Module 2 channels 5V with Optocoupler Isolation Relay Module 2 channels 5V with Optocoupler Isolation
Relay Module 2 channels 5V with Optocoupler Isolation
$3.40

Relay Module 2 channels 5V with Optocoupler Isolation

Last items in stock
Relay Module 1 channel 5V with Optocoupler Isolation Relay Module 1 channel 5V with Optocoupler Isolation
Relay Module 1 channel 5V with Optocoupler Isolation
$2.95

Relay Module 1 channel 5V with Optocoupler Isolation

Last items in stock