Ultrasonic RepellentCircuit!
#ultrasonic
#repellent
#sensor
#sound generator
#security
#distance measurement
#piezo buzzer
#frequency generator
#automation
#deterrent
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Simple Ultrasonic Wave Generator
An ultrasonic sound wave can be generated using an electronic circuit. This simple electronic circuit can produce an ultrasonic wave with a frequency range of 12 kHz to...
An ultrasonic sound wave generator circuit typically employs a few key components to...
Ultra-Sonic Ranging Design
The module costs £38.00, and the transducer costs an additional £17.00. The Polaroid module effectively performs its intended function, which requires a certain range; however, it is not designed to serve as the vision system for a small robot. The...
An ultrasonic transmitter circuit diagram discrete components
The discrete components ultrasonic transmitter circuit T/R-40-16 can emit a series of ultrasonic signals at a frequency of 40 kHz. This circuit operates at a voltage of 9V and has a current consumption of 25mA, with a control distance of...
Ultrasonic sound producer(insect repellent)
Many types of insects are sensitive to ultrasonic sounds, which can cause them irritation. This project is designed to repel insects such as mosquitoes and cockroaches using ultrasonic sound waves.
The project utilizes an ultrasonic frequency generator, which emits sound waves...
The built-in ultrasonic flow measurement of stand pipe based on correlation method is designed (
In industrial production, flow measurement is a widely used physical quantity measurement. Under specific circumstances, such as when vertical externally positioned installation probes are required for challenging pipelines like oil wells, it is necessary to design instruments and equipment to...
Medical ultrasonic atomizer 2
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...
Asia ultrasonic remote control fan speed control circuit diagram
Fans can be controlled remotely with a switch that allows for speed adjustments, and this remote control can also be integrated with other household switches. Its primary feature is the use of a sub-transmission ultrasonic transmitter, which operates without directional...
R-40-16 ultrasonic receiver circuit
The circuit consists of transistors VT1 through VT7 and other components. Due to the weak signal received from the transmitter, the circuit employs a multi-stage amplifier to enhance the output. This output generates a square wave pulse signal to control...
remote control and Intruder detector
These ultrasonic circuits are all quite old: my notes date them at mid-70s so they don’t use ICs. Nevertheless there are several places where an op-amp would possibly simplify things. Despite their age I hope they are of interest: certainly...