5PCS 4 channel relay module 4-channel relay control board with optocoupler. Relay Output 4 way relay module for ard uino
Technical Details
Contact Load: | Low Power |
Model Number: | 4 Channel 5V Relay Module |
Protect Feature: | Sealed |
Size: | 4 Channel |
Theory: | Voltage Relay |
Usage: | General Purpose |
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