KY-019 5v Relay Module For Arduino , Microcontroller Development
1, the new 5V Relay Module
2, can be used as microcontroller development board module can be
used as home appliance control
3,5 V-12V to TTL control signal
4, the control signal DC or AC, 220V AC load can be controlled.
5, there is a normally open and one normally closed contact
6, a power indicator light
7, a control indicator, pull off, disconnect does not shine
8, transistor drive to increase the relay coil control pins high
9, the control pin has a pull-down circuit to prevent malfunction
1. Convenient & Friendly Customer Service
2. Low Prices Direct From Factory Suppliers
3. Fast Delivery Around the World.
4. High Quality With Global Standards.
5. 1 Year Factory Warranty
6. Safe Shipping Way and Payment