There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors ... code on the ESP can fire off using whatever API works for your ...

Connect the Arduino board to your computer using a USB ... the ultrasonic sensors, LEDs, push button, and motor drivers to the appropriate pins on your Arduino board according to the defined pin ...

or performance of a system. Arduino can support sensor fusion by using libraries or algorithms that process and integrate data from different sources, such as accelerometers, gyroscopes ...

Here you can find the circuit diagram for the Bidirectional Counter using Arduino. The circuit diagram below represents how an Arduino, a pair of IR sensors, and the LCD display are secured together ...