4×4 Keypad-Based Security System using Arduino, PIR Sensor, Buzzer and 7 Segment Display_"Kartikey Baghel" circuit diagram

4×4 Keypad-Based Security System using Arduino, PIR Sensor, Buzzer and 7 Segment Display_"Kartikey Baghel"

By Kartikey Baghel

❤️ 0 likes👁 0 views

Components used: Arduino, LED, resistor

▶ Open & Simulate this Circuit

SarkitLab