HVS-1459. Multiple transformer oil

HVS-1448. Next Generation Braille System

HVS-1318.Battery charger circuit using SCR

HVS-1180.-Human-body-temperature-and-heart-rate-monitoring-on-LCD-display.

HVS-1171. DTMF controlled Live Human Being Detecting Robot

HVS-1161. PIR and GSM based Home security system

HVS-1095. Single phasing preventer

HVS-1052.-Breathe-alcohol-detector-with-automatic-vehicle-control.

HVS-1051. RFID based bus

HVS-1049. Solar fencing