13-03-2014, 02:03 PM
BATH FULL INDICATOR
BATH FULL INDICATOR .pdf (Size: 59.21 KB / Downloads: 121)
General Description
Running a bath can end in a minor domestic.
disaster if you forget to turn off the tape on time the
indicator presented here actuates an active buzzer
How it works
Since the water sensor and the driver circuit for the
buzzer are contained on one PCB, the indicator
together with the 9-V battery and the buzzer may be
built into a compact case. Obviously, the sensor,
which is etched on the PCB, must not be fitted in
cast-iron or steel bath the indicator secured to it
which the aid of a magnet glued on to the case, To
prevent scratching the bath, the magnet may be
covered in plastic or rubber. If you have a
polypropylene bath.