
-30%
Cash on Delivery all over Pakistan · Free delivery in Islamabad & Rawalpindi above Rs 5,000
Order on WhatsApp
EM-18 is a nine pin device.
EM-18 is a nine pin device. Among nine pins, 2 pins are not connected, so we basically have to consider seven terminals.
Pin Number
Description
VCC
Should be connected to positive of power source.
GND
Should be connected to ground.
BUZZ
Should be connected to BUZZER
NC
No Connection
NC
No Connection
SEL