Here in this circuit, we have used a coil having around 20 turns or winding with a 10cm diameter. We have used an empty tape roll and wind the wire around it to make the coil. Circuit Diagram: We have ...

Circuit diagram of the smart whistle counter is shown in Fig. 2. The circuit comprises Arduino Mega 2560 board (MOD1) and LM393 ... This could happen when there is some issue with the pressure cooker ...

Working of this Smoke Detector Alarm Circuit is easy. In this project, we have used transistor operating properties to work this circuit as a smoke detector. As we already know that we have used a ...

Here is the circuit of an Arduino-based Panic Alarm! The wiring is very simple so that even a novice can construct this interesting circuit without any difficulty. Arduino is a family of ...

What You’ll Need: Arduino Uno (or any compatible board) Joystick module LED (any color) Resistor (220 ohms for the LED) Buzzer Breadboard Jumper wires Circuit Diagram: Joystick: VRx to Analog Pin A0 ...

Fig. 1: Author’s prototype for Window Alarm Annunciator Circuit and Working. The circuit diagram of the window alarm annunciator is shown in Fig. 2. It is built around Arduino Uno board (board1), ...

S1 can be a tilt-sensitive switch with mercury if that will be used as a kitchen clock. With the buzzer on the power consumption of the timer alarm will be around 10 mA. Timer Alarm circuit diagram.

Arduino Buzzer Frequency Controller with Push Buttons. This project demonstrates how to control the frequency of a buzzer using push buttons with an Arduino. The buzzer frequency can be increased or ...