The Clap Switching Project, led by Md. Mehedi Hasan from Daffodil International University, aims to create a sound-activated switch that allows hands-free control of electrical appliances using claps. Utilizing the Atmega32 microcontroller and BC547 transistor, it offers versatile applications in home automation, industrial control, and accessibility. The project's open-source nature and customizable design promote innovation and adaptability across various settings.

1. Clap Switching
Project

2. Speaker of
Presentation
Md. Mehedi Hasan
Department of Computer Science
and Engineering
Daffodil International University.

3. Objective
The objective of the clap switching
project is to create a sound-activated
switch that responds to clapping.
This device aims to provide hands-
free control over electrical
appliances, enhancing convenience
and accessibility. Through simple
claps, users can activate or
deactivate connected devices
effortlessly.

4. Atmega32p 4 PIN oled Dislpay 5v relay BC547 transistor
10k 100k 16 MHZ crystal
ocilator
22 PF
Elements

5. sound Sensor
25v 100 uf
capasitor
28 pin IC base 2 pin terminal
jumper wire Vero Board 1009N Diode Led
Elements

6. The Atmega32p is an AVR 8-bit microcontroller
chip produced by Microchip Technology. It
features 32KB of Flash memory and 2KB of
RAM, along with multiple peripheral interfaces
such as UART, SPI, and ADC. The "p"
designation often signifies low power
consumption, making it suitable for battery-
operated devices. It's commonly utilized in
embedded systems, industrial automation, and
educational projects due to its versatility and
reliability.
Atmege328p

7. BC547 Transistor
The BC547 is a general-purpose NPN
bipolar junction transistor (BJT) commonly
used in electronic circuits for amplification
and switching purposes. It's designed for low
to medium power applications with a
maximum collector current of 100mA. With
its high current gain and low saturation
voltage, it's widely used in audio amplifiers,
signal processing circuits, and general
switching applications. The BC547 is
available in a TO-92 package, making it
easy to handle and solder onto PCBs.

8. Basic Circuit Diagram
(5v)Vcc
GND

9. vero board circuit

10. Methodology
The development of a custom clap switch
utilizing the Atmega32 microcontroller follows a
systematic methodology. Initially, meticulous
planning is crucial, delineating clear objectives,
defining the project's scope, and establishing a
feasible timeline. Following this, the design
phase entails the meticulous development of
both hardware and firmware components
tailored for clap detection and appliance control.
soliciting user feedback for refinement, and
diligently documenting insights for future
enhancements.

11. Advantages
The custom clap switch based on the Atmega32 microcontroller
offers several advantages. Firstly, its versatility allows for tailored
implementation in various settings, from home automation to
industrial applications. Secondly, the efficient hardware and
firmware design ensure reliable clap detection and appliance
control, enhancing convenience and energy efficiency. Additionally,
its modular design facilitates easy integration with existing systems
and scalability for future expansions. Moreover, the customization
potential allows users to adjust sensitivity levels and features to
suit specific needs. Finally, the project's open-source nature
fosters collaboration, enabling continuous improvement and
innovation within the community.

12. The custom clap switch based on the Atmega32 microcontroller
finds applications in diverse scenarios, ranging from home
automation to industrial control systems. In residential settings, it
offers hands-free control over lighting, fans, and other household
appliances, improving convenience and energy efficiency. It can
also serve as an accessibility aid for individuals with mobility
limitations, providing an alternative means of controlling devices.
In commercial or industrial environments, the clap switch can
automate processes by triggering equipment based on sound
cues, streamlining operations and reducing manual intervention.
Furthermore, its customizable nature enables adaptation to
specific use cases, such as security systems or interactive
installations, showcasing its versatility across various domains.
Applications

13. Thank
you!