1.DIGITAL COMBINETION LOCK   2. SAFETY GUARD FOR THE BLIND (PROXIMITY BASE) 3. LIGHT COTROLLED DIGITAL FAN REGULATOR 4. LOW-COST ENERGY METER USING ADE 7757 5. HOME AUTOMATION AND SECURITY CONTROL INTERFACE WITH TELEPHONE 6. LINE TRACKING ROBOT/MOUSE 7. REMOT CONTROLLED STEPPER MOTOR 8. ULTRASONIC SWITCH 9. DEVICE SWITCHING USING PASSWORD 10. SPEED CHECKER [...]