Review on π ICStation Relay Power Switch Module with Optocoupler - 2PCS | High-Level Trigger | DC 3V 3.3V | For ESP8266 Development Board Arduino by Mason Gordon
Ideal for 3V logic level boards
Ideal for 3V logic level boards like most ESP8266 based boards. These are high level triggers, so the relay will be "off" (NO open and NC closed) when 0V is applied and "on" (NO closed and NC open) when 3v3 is applied.
- GOLS certified
- Zero
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