2 Way 2 Channel Relay Module 5V with Optocoupler Protection Relay for Arduino c
4,07 €
4Pcs Brass Invisible Cabinet Hidden Barrel Hinge 10mm/12mm/14mm/16mm/18mm. 1 x Relay Switch Module. Channel: 2 channels. (Wrong connection will lead to module burnout). Size: 50x38mm/1.97x1.5". Red working status indicator for power on indication.
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