Basic

Detects Ambient Moisture and Generates Audio Output. Based on Resistive Moisture Sensin..

Demonstrates Stress as a Symptom of Lying. Detects Moisture Level and Skin Resistance. ..

Portable Low-Power Audio Amplifier with Earphones. Receives Audio Output and Amplifies ..

Contactless Close Proximity Temperature Sensor. Provides Multilevel Temperature Categor..

Sound Enabled Control Switch to Turn On or Off an Appliance. Includes Sound Activated S..

Demonstrates the Use of Solar Energy to Light Up the Garden  at Night. Converts So..