This ultrasonic dog repeller circuit will chase away angry dogs. It is build with the all known 555 circuit, a buzzer and a little ferrite transformator. The ultrasonic frequency must be set with a ...
The electronic dog repeller circuit produces a discomforting but not harmful, high frequency sound, audible to dogs but not to humans. Help stop the approach of unwanted dogs at up to 15 feet. It uses ...
HIS INJURIES THIS AFTERNOON. NEW TONIGHT A ROYAL PALM BEACH WOMAN HAS BEEN ARRESTED AFTER SHE ALLEGEDLY PLACED ULTRASONIC DOG REPELLER MACHINES TOWARDS HOMES WITH DOGS. OUR SOOJI NAM IS LIVE WITH ...
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