The ultrasonic dog repellant uses a standard 555 timer IC1 set up as an oscillator using a single RC network to give a 40 kHz square wave with equal mark/space ratio. This frequency is above the ...

The electronic dog repellent circuit diagram below is a high output ultrasonic transmitter which is primarily intended to act as a dog and cat repeller, which can be used individuals to act as a ...

I have a question concerning insect repellent. I am concerned about the effects this might have on a pet that licks people a lot. I know the prudent thing to do is to wipe off the repellent but, on ...

I have a question concerning insect repellent. I am concerned about the effects this might have on a pet that licks people a lot. I know the prudent thing to do is to wipe off the repellent but, on ...

We just finished renovating our stoop and one or more dogs (or their less than responsible owners) have decided it’s a great place to relieve themselves. Do the dog repellent sprays work or are there ...

The danger depends on the product. Any product that contains any levels of DEET can be toxic to dogs. They may vomit, stagger or have seizures after ingesting, so don’t use DEET products on yourself ...