An Arduino project implementing a security alarm system featuring PIN code access via a 4x4 keypad, status updates on a 16x2 LCD, motion detection using an HC-SR04 ultrasonic sensor ... Keypad.h: For ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

However, directly employing ultrasonic signals for interface reconstruction in dual-layer media remains a challenge. In this article, a physics-informed neural network (PINN) is developed for the ...

The system detects entry and exit events by monitoring the distance measured by two ultrasonic ... LCD for power saving. Accurate distance timing using Timer0 and Timer1 in 16-bit mode. Count value ...

Judging by these comments, the cabin might grow slightly from previous model, while the dash is likely to house a comprehensive LCD interface with multi-format functions. Power is expected to come ...