Hobby Circuits. Use transistor mj15003 mj15004 as main. For more try browsing categories menu on the left.
This circuit can be used as rain sensor water overflow sensor or as a water level sensor. Some ideas were given to others for manufacturing in their firms. Established in 1960 gateway electronics is the go to place for electronics enthusiasts model railroad train hobbyists amateur radio operators hams robot builders airplane fans teachers students kit builders prototypers networkers technicians and tekkies geeks gadget lovers audiophiles installers service techs sound pros old folks young folks and pretty much anyone else.
The output of the sensor is given to the ne 555 ic.
Explore electronic circuits and tutorials discover engineering hobby projects computer based microcontroller projects science experiment videos a resource for hobbyist engineers students r d persons consultants electronic projects electronic tutorials microcontroller based projects microprocessor tutorials schematics dictionary of electronics terms abbreviations. The main components used are a basic 555 timer ic and light dependent resistor ldr and an output buzzer alarm. A small collection of electronic circuits for the hobbyist or student. Some ideas were given to others for manufacturing in their firms.
