This article provides about automatic door opening system project using pir sensor are used through limit switches to avoid the motor's locked rotor condition.
Automatic door opener project using pir sensor and arduino pir sensor based from circuitdigestcom breadboard arduino: fast, cheap and fun smart phone controlled digital code lock using arduino find this pin and more on s.
A number of technologies are available to design automatic door openers like pir sensors, radar sensors, laser sensors, infrared sensors, etc.
Movement sensed automatic door opening system interrupt signals are used through limit switches to avoid locked rotor condition of the motor pir sensors are cheap, consumes low power, have a wide lens. Door lock keypad and bluetooth arduino tutorial info shopping so we will connect this keypad to digital pins d2 to d9 of the microcontroller we will have a .