The net result is a periodic, intermittent beeping tone. You can adjust the intermittent effect of the sound produced by the water alarm to suit your taste by simply adjusting the value of R2 or C2.

In this project we are going to design a circuit, to make a flashing light similar to that on a police car. This police light circuit is designed by 555 Timer IC and a decade counter IC. The timer ...

The detecting range of Light Fence Circuit is about 1.5 to 3 meters. It’s quite simple to design the circuit using LDR and Op-amp. This portable circuit can work smoothly with a commonly available 9V ...

Fig. 1: Circuit diagram of the car reversing audio visual alarm Fig. 2: Ultrasonic ranging module HC-SR04. Pins 16 and 17 of IC1 are connected to Trigger and Echo pins of the ultrasonic module. Pin 18 ...

iStock Science Education Infographic Circuit Diagram With Batteries Motor Buzzer Stock Illustration - Download Image Now Download this Science Education Infographic Circuit Diagram With Batteries ...

Here’s a car fault indicator alarm circuit that sounds an alarm if your turn indicator lamps doesn’t glow, helping you to safeguard against any accident. Car Fault Indicator Alarm Circuit When both ...

Circuit Explanation: Circuit Diagram of this Smoke Detector Project is given below: In this circuit, we have used an MQ2/MQ6 Smoke Or Gas Sensor Module for detect smoke present in the air. A BC547 NPN ...

This electronic car thermostat circuit described here regulates the air blower system of a car. When the temperature inside the car exceeds a certain preset level T1 tuns on the fan. A temperature ...

Energy flows to the buzzer and you’ve lost the game. Title: Electrical circuits The mains electricity we use for everyday things like lights, televisions, and washing machines comes from power ...