Relay Board allows you to control larger loads and devices like AC or DC motors, fans, light bulbs etc.

Specifications:
   • Reverse polarity and Back emf protection.
   • Screw terminals for relay connections.
   • Relay Board has an LED to indicate when relay is operated.
   • Signal input for direct connection to Microcontroller, Arduino or any TTL output pins.
   • Test Button for (without signal) Relay and load testing.
   • Use 5V, 6V, 9V, 12V, 18V and 24V 5Pin relay..

MAX7219 LED Matrix - 8-Digit LED Display Drivers PCB with green masking and legend printing.
Size: 3.2cm x 5cm, PCB Material: FR4 Dual Side..