The device beeps when a person or object near less than one meter from you.
Project tutorial by Akshay Joseph
Digital calendar clock using Arduino Uno, I2C LCD and 1307 RTC module.
Interface a 16x2 Liquid Crystal Display with Arduino Uno. Here we just use 4 wires.
by Akshay Joseph
Introduction to watchdog timer in microcontroller
Project tutorial by Rafi Rasheed T C
Your Idea is nice. But I designed this for a ting-tong type doorbell . Which need only one pulse. for one ting-tong.
Nice work 👍
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