Moduł przekaźników 5V, 4 kanały
zł6.00
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Realy modules, 4 channels, different PCB size, sometimes pins are bent
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These are standard 4 channel relay modules (relays powered with 5V). There are two PCB sizes. Sometimes modules have bent pins to connect signal (see photo).
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Realy modules, 4 channels, different PCB size, sometimes pins are bent