Overview
The present invention relates to an LPG cylinder trolley comprising weight indicator and buzzer to indicate and alert the user about the low level of gas in the cylinder when the cylinder is about to get empty. When the gas level goes below a predetermined level, the buzzer generates a sound whenever the user turns the stove ON or OFF. A programmable IC is used in trolley for detecting the change of ON to OFF or OFF to ON condition of the stove knob.