A: It is a relay or another noise maker the sing out if a moist detector sense either no water or water to give an alarm by sounding off
check out this website Water Level Indicator Circuit-Liquid Level Sensor Project http://www.circuitstoday.com/simple-water-level-idicator
This product is designed to automatic control of motor, which ensures constant reserve of water in storage tanks. Automatic water level controller is used to automatically fill the over head tank as and when it gets empty and monitor the water level in it. Automatic water level controller switches ON the motor when the water level in the overhead tank drops below pre fixed low level(on point) and puts off the motor when water level rises up to pre fixed high level (off point) motor also switches off when the sump water is exhausted before filling overhead tank, pump running dry, Mains voltage fluctuations.
Hooter is an alternate name for buzzer or alarm device.
I bought: reed switch LED Buzzer Button (On/Off) Resistor (if necessary) I connected: <---Button------Reed switch------Resistor (if necessary)------LED------Buzzer---Batteries--->
bulb, Motor, buzzer, battery
you have to click the buzzer
you **** a buzzer
A buzzer is cool. You just connect the circuit.
take two cells a buzzer and a light join the buzzer with wire and the light bulb with the buzzer and the cell
It is the start of the race. Usually consists of a buzzer and a starter. You can start from the locks or in the water.
You can get a joy buzzer at Party City or Spencers
Bird at the Buzzer was created in 2011.
the buzzer wont buzz
The ISBN of Bird at the Buzzer is 978-0803224117.
A bell rings and a buzzer buzzes
That is a buzzer that's operated by striking a piece of quartz.
Buzzer Beat was created on 2009-07-13.