LDR
MQ135
DHT
IR
Stepper motor
DC motor
Servo motor
Relay
Thermometer
Barometer
Hygrometer
Active IR Sensor
Passive IR Sensor
Both Active IR Sensor and Passive IR Sensor
None
LED
Button
LCD
Keypad
Store large data
Design circuits
Run complex AI
Interface sensors and actuators
Sound waves
Heat levels
Magnetic fields
Vibration
Using higher-resolution ADC
Increasing clock speed
Adding more GPIO pins
Increasing baud rate
Basic sensing
Static data
Manual control
Predictive analytics
Color and shape
Architecture and bit size
Price only
Manufacturer