Walking safely and confidently can be a challenging task for visually impaired individuals, but with the help of technology, we can make it easier for them. This DIY Blind Stick is an innovative yet ...

Our kit includes the Maker Uno RP2040 itself, four Grove to jumper cables, a USB-A to USB-C cable, a soil moisture sensor with one Grove cable, an HC-SR04 ultrasonic ... RP2040 using the Arduino IDE.

Hardware-wise, the garbage can is outfitted with a servo inside the bin for opening and closing the lid, an ultrasonic sensor ... use the project developer's code as is or change the pin ...

Works with the HC-SR04 ultrasonic sensor in the 3 Pin Mode/4 Pin Mode, the Ping))) ultrasonic sensor in the 3 Pin Mode and the DHT temperature/humidity sensors for getting precise distance values. !

So, if you wish to use Mode 2 you need ... Below is the Arduino Sketch used to test the JSN-SR04T ultrasonic distance sensor. This sample code does not require a library. #define trigPin 12 // Trig ...

So, the purpose of using Arduino and this small piece of code is to generate a 40KHz high-frequency oscillation signal for my ultrasonic sensor or transducer and this pulse is applied to the input of ...

It uses a Raspberry Pi and an HC-SR04 ultrasonic ... to pin 6 Ground. I chose GPIO17 and 27, but you can use any available GPIO pins on the Pi as long as they are identified properly in the Python ...