http://www.engineersgarage.co | Electronics › Electronics › Liquid level alarm using 8051 microcontroller (AT89C51) › http://www.engineersgarage.co October 4, 2011 at 10:05 am #6667 nikhiljainParticipant http://www.engineersgarage.com/microcontroller/8051projects/liquid-level-alarm-AT89C51-circuit
