visitor counter and home automation system #inspireawardproject #schoolprojects

Circuit:
IR Sensor Connections (Entry & Exit)

Entry IR Sensor
VCC → 5V (Arduino)
GND → GND (Arduino)
OUT → Pin 2 (Arduino)

Exit IR Sensor
VCC → 5V (Arduino)
GND → GND (Arduino)
OUT → Pin 3 (Arduino)

2. 16x2 LCD (via I2C Module) Connections
VCC → 5V
GND→ GND
SDA → A4 (Arduino)
SCL → A5 (Arduino)

3. Relay Module (for Light Control)
VCC → 5V (Arduino)
GND → GND (Arduino)
IN → Pin 4 (Arduino)

4. AC Bulb Wiring:
COM (Relay) → AC Live
NO (Relay) → Bulb Live Wire
Neutral of Bulb → AC Neutral

Code link 🔗 👇
https://docs.google.com/document/d/1y...

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#smartphones