Need help looking for cheap ultrasonic sensors with at least 10m/32 feet range

Other Hardware Sensors
1

I'm currently working on making an automatic light in my driveway that turns on when it detects a car. Ideally, I need an ultrasonic sensor that has at least a 10 meter range (about 32 feet) and I want it to be under $25-30 USD.

I've checked out some ultrasonic sensors online but either I can't find any or they are at least $100 and there's no way I'm paying that much for an amateur project.

Does anyone know of any ultrasonic sensors with said range that are under $30 or places where I could buy them? I'm also open to using a different sensor as long as it can detect an object like a car at 10m/32 feet range.

Any help would be appreciated

2

10m for ultrasonic sensor within $30 is kinda difficult.

This one comes close at 8m and within your cost

Or

You could just switch to a laser distance sensor instead having 50m albeit with a small increase in price

3

10m is a long way for ultrasonic. Pick a different technology or pay the price for the units you found already.

4

You'll have all the local pets going crazy with high-power ultrasound. Light beam break of some form is the way to go I think, but for long range you need more expensive kit with lenses / filters.