The sensor module consists of ultrasonic transmitter, receiver and the control circuit. Ultrasonic Sensor consists of ... understand the Ultrasonic sensor working: Working this Arduino Door Alarm is ...

These lenses are curved in such a manner so that sensor can cover a wide range. Connections for arduino based door opener circuit are shown in the above diagram. Here a PIR sensor is used for sensing ...

An Automatic Door Opener System is a project based on PIR Sensor and Arduino, which automatically opens and closes the door by detecting a person or object. You might have seen Automatic Door Opener ...

He’s constructed an Arduino keypad door lock — without ... s also planning on adding a knock sensor using the small speaker that is already part of the circuit, because, why not?

the garage door can close without damaging my bumper. I began by wiring the LED, the laser, and the laser sensor to the Arduino through the breadboard. I initially used shorter wires that are easier ...

This sensitive and reliable door sensor can be powered from a 9V alkaline battery pack. At the heart of the circuit is one Unipolar Hall effect sensor MH183 (HS1). It incorporates advanced chopper ...

only when an authorized person places a finger on the sensor, the door unlocks and the LCD displays a welcome message along with that person’s name. The circuit shown in Fig. 1 operates using a 12V ...

This sensor device is built to measure the amount of current being used, especially in power supplies as the design is based on Arduino. The main component used is the ACS712 sensor from Allegro ...

If you are designing your own intelligent “Graden Computer” with an optional digital plant moisture sensor/water pump controller that lights an LED to alert the user when it is time to water a potted ...