10 PCS HW-482 5V Relay Module Arduino Board

10 PCS HW-482 5V Relay Module Arduino Board
sku: 1723401
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$4.62
Shipping from: China
   Description
1. 5V relay module2. It can be used as a single-chip development board module, and can be used as a home appliance control3. 5V-12V TTL control signal4. Control DC or AC signal, can control 220V AC load5. There is a normally open and a normally closed contact6. Has a power indicator7. There is a control indicator light, which is bright when closing, but not bright when disconnecting8. Transistor drive increases the relay coil, and the control pin is high impedance9. The control pin has a pull-down circuit to prevent the false action of the floating relay
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