At the heart of the distance sensor is an HC-SR04 ultrasonic rangefinder and a PIC16F88 microcontroller. [asaucet] uses a set of four LEDs to alert the driver how close they are to the garage wall.

Arduino project that contains a basic communication/functionality between 4 components: Arudino Nano V3, Bluetooh HC-05, HC-SR04 Ultrasonic sensor and SD1306 OLED ...

HC-SR 04 Ultrasonic sensor is most commonly used to measure distance, but this time I will show you how to measure the speed of movement of an object using this sensor. Device is very simple and ...

This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...

Logging Ultrasonic Sensor Data. September 30, 2020. 1. Introduction. As part of another Arduino project, using an HC-SR04 ultrasonic sensor to monitor a vehicle parking in a garage, I needed ...

Arduino NANO or Uno (any version) HC-SR04 Ultrasonic Sensor; LM298N Motor Driver Module; 5V DC Motors; Battery; Wheels; Chassis; Jumper Wires . Circuit Diagram. The complete circuit diagram for this ...

Arduino Nano. HC-SR04 Ultrasonic Sensor. 5V Active Buzzer. Light-Emitting Diode. Current Limiting Resistor. 9V Battery. Slidder switch / on-off switch. Breadboard. Connecting wires. PVC Pipe. Up next, ...

The ultrasonic transceiver is based on Sparkfun’s HC-SR04. For prototyping purposes on the receiver, they just removed the transmitter to avoid populating the airwaves, as to listen, you had to ...