Features:

  • Using IO trigger for at least 10us high level signal.
  • There are 4 pins out of the module: VCC , Trig, Echo, GND.
  • The Module automatically sends eight 40 kHz and detect whether there is a pulse signal back.
  • Distance= ((Duration of high level)*(Sonic :340m/s))/2
  • Power supply: 5V DC; quiescent current : <2mA; effectualangle: <15; ranging distance: 2cm~500cm; resolution: 0.3 cm
These sonar are great bang for the buck

These sonar are great bang for the buck. If you are looking for something with high precision, you should probably look at spending more money. But these are great for most applications.

These should be fun to work with and make interesting projects

Just as advertised. These should be fun to work with and make interesting projects.

Five Stars

Nice sensors at a great price. They all work like they should.

Making the world a better place

I put a bunch of these on a helmet for my blind grandmother. Every time she gets close to running into something it beeps at a different tone depending on what sensor is triggered

Great units.

Excellent units and all 5 in working condition. The connectors are a nice addition.

Five Stars

Great for making an autonomous robot.

Great little sensors

Steve centers work great with my Arduino.

Full Reviews