Ingenious innovator swaps drab doorbell for a petite piano-style chime system
Arpan Mondal, a creative inventor, has designed a unique and delightful twist on the traditional doorbell - a **piano-style doorbell** that brings a tuneful twist to the ordinary.
### How it Works
At the heart of this musical marvel lies an **ESP32 microcontroller**, which reads the state of five **3D-printed piano keys** - three white keys and two black keys. When a key is pressed, the microcontroller plays a short audio sample embedded within its program code, producing musical notes that mimic the sound of a piano.
The audio output is amplified by a PAM8403 audio amplifier module, ensuring the sound is loud enough to be heard throughout the home. Although the sound quality may not be studio-grade, it is more than adequate for a doorbell application.
### Unique Features
The piano doorbell stands out with its physical piano keys as the input method, departing from the typical button press. This musical interaction offers a playful and engaging experience for visitors.
The system eliminates the need for external sound files or complex playback hardware by embedding the audio samples directly in the code. This design choice keeps the setup simple and efficient.
The piano doorbell offers a customizable musical welcome for visitors, allowing them to create their own doorbell intro riffs. The compact ESP32 microcontroller ensures the device is versatile and modern, capable of running embedded audio and handling input seamlessly.
In conclusion, Arpan Mondal's piano doorbell is a perfect blend of simple hardware and playful musical interactivity, transforming a common household device into a source of entertainment and personalization. The piano doorbell replaces the standard doorbell chime with five playable piano keys, allowing visitors to announce their arrival with a musical touch.
[1] Further details about the specific notes produced by each key are not provided. [3] Information about the availability or price of the piano doorbell is not given.
This innovative piano-style doorbell utilizes technology, incorporating an ESP32 microcontroller and a PAM8403 audio amplifier module. It also boasts gadgets like 3D-printed piano keys, offering a unique and engaging interaction for visitors.
