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0.96" Inch I2c IIC Serial 128x64 Oled LCD LED White Display Module for Arduino 51 Msp420 Stim32 SCRBrand: 0.96" Inch I2c IIC Serial 128x64 Oled LCD LED White Display Module for Arduino 51 Msp420 Stim32 SCR

Bench PSU Power Supply From Old ATX With Arduino and LCD Monitor: Hello all and welcome to my first Instructable.I"ve always wanted a bench PSU for easy access to a power source…

However, using the HC-SR04 outside is a different story. It is a pretty fragile device and can easily be damaged by dirt, or even high winds. And, above all, it is not waterproof.  Even sealing up its circuit board would not protect it, as the two transducers it uses are essentially just small speaker/microphones.

The A02YYUW is an ultrasonic distance sensor that bears some resemblance to the HC-SR04 in that it has a separate receiver and transmitter.  The device is enclosed in a rubber-like material and is fully waterproof.

If you need an ultrasonic distance sensor that is waterproof, then either of these units would make an excellent choice.  They both performed well, and they are rated for harsh environments.

They are, however, more expensive than the HC-SR04, so if you don’t require a rugged waterproof sensor then the latter is still a more economical choice.

Learn to use the JSN-SR04T and A02YYUW waterproof ultrasonic distance sensors with an Arduino. In this article, you"ll learn how these sensors work, how they compare to one another, and how to use them with an Arduino.