1-Channel Relay Module High / Low Level Triggering Optocoupler Isolation With Indicator light for Arduino (12V)
This module operates at DC12V and has a working current of 50mA. It includes a power indicator and a relay status indicator. The design is fault-tolerant and easy to install.
- The relay high-level pull-in includes current-limiting resistance.
- Even if the control line is broken, the relay will not move.
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