Ultrasonic Level Sensor circuit

The medical ultrasonic atomizer circuit consists of a power supply circuit, an atomization amount liquid level detection control circuit, an ultrasonic oscillator, and a fan motor (M). The power supply circuit includes a timer (Q), fuses (FU1, FU2), a power...

Wheelchair Obstacle Avoidance System

First, download any version of the Arduino software (the latest version is recommended) using the provided link, and then download the specified Arduino sketches. After the download is complete, open the sketches to view the written code. Complete the circuit...

Ultrasonic Proximity Detector

This is an ultrasonic proximity detector circuit. This circuit consists of a micropower operational amplifier and a pair of matched piezo-ceramic transducers. It uses a 9V battery as the power source. The ultrasonic proximity detector circuit operates by emitting ultrasonic waves...

Arduino Guitar Pedal

Begin constructing the circuit as illustrated in the schematic. To view the schematic in a larger format, click the small "i" icon located in the upper right corner of the image. The schematic serves as a visual representation of the circuit...

arduino controllers and sensors

The Arduino microcontroller board can supply a current of 40mA from its output connections, with digital outputs fixed at 5V for "ON" and 0V for "OFF." This current is suitable for LEDs, but devices like motors, solenoids, and high-brightness LEDs...

Arduino Ping

The Ping is an ultrasonic range finder from Parallax. It detects the distance of the closest object in front of the sensor (from 2 cm up to 3 meters). It operates by emitting a burst of ultrasound and listening for...

Digital Step-Km Counter

This circuit measures the distance covered during a walk. Hardware is located in a small box slipped in pants pocket and the display is conceived in the following manner: the leftmost display D2 (the most significant digit) shows 0 to...

Serial Servo Controller with Arduino

This document explains how to utilize an Arduino to control up to 12 servos simultaneously with minimal jitter. A straightforward serial interface allows for the control of the position of these 12 servo channels. Additionally, it is possible to save...

Arduino Panic Alarm Project

The circuit is an Arduino-based Panic Alarm. The wiring is straightforward, enabling even novices to construct this interesting circuit with ease. Arduino is a family of microcontrollers and a software environment (Arduino IDE) that facilitates the creation of programs, referred...