Essen Electronics

  Today I made this Liquid Low level Alarm project. already I make one before to monitor a single Tank. But This will Monitor 4 liquid or water Tank. when any Tank reach Low liquid Level a sensor give signal to this device .so The warning Lamp related to that tank start blinking and an beeping Alarm sound also start. we can silence the beeper by pressing the push switch. and the indicator stay on until the liquid level normal.

  I make this circuit for display box in a electronics showroom. 4 way stereo selector switch. when we soft press any switch,the mp3 player output is routed to selected set of speaker ,this will help customer to compare quality up to 4 speaker. digital switch used instead off mechanical relay,when we press the switch it latches and play to one output until another select.

Our  home is in municipality area .There only daily  morning 5 o clock  municipal drinking water supply available for an hour. so wake up at the morning collect water at that time is a hard Job. so I make this system. my idea is collect the water first in a ground level water tank when the water reach a 90% tank level an electronic Device sense that and switch on a 1/2 HP Motor that lift the water from the Lower Tank to Upper tank. once the motor start lifting the water up it only switch off when the water level reach below 10% of Lower Tank level and also when the upper tank is full . so this process running until both the tanks fill. after both Tank fill a float valve stop further water from municipal pipe line. when  the upper tank level reach certain low level if the lower Tank is full .the motor start emptying the lower tank and lift the water to up.until the lower tank level reach 10% below at Lower tank. now the pump is off and the device waiting for the next ...