Arduino Workplace Safety Clap Switch Kit - Control Lights with Claps
Build a Clap-Controlled Light for Workplace Safety with Arduino
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Imagine a workshop where greasy hands make physical switches a hazard, or a lab where touch-free operation matters. This kit lets you build a smart light controller that turns a lamp on or off with a deliberate double clap - no buttons, no contact. It uses a KY-038 microphone to capture sound, an Arduino Uno to recognize the rhythm, and a relay module to switch a high-voltage load. Within a couple of hours, you'll hold a tangible safety device that demonstrates how everyday electronics can make workplaces smarter and safer.
What You'll Build
You'll assemble a complete noise-responsive lamp controller on a breadboard. The microphone picks up audio, the Arduino code filters out background noise and confirms a true double-clap pattern, and the relay toggles a connected lamp. The kit includes two indicator LEDs: one signals power, the other lights up with each detected clap. By the end, you'll have a desktop prototype ready to be adapted to a real 230V bulb, demonstrating an industrial principle that's simple enough for a school project and robust enough to spark bigger ideas.
What You'll Learn
- Interface a sound sensor module with an Arduino and read analog sound levels
- Write code that detects a specific double-clap sequence and ignores random noise
- Use a 5V relay module to safely control high-voltage home or lab appliances
- Wire a multi-component circuit on a breadboard without any soldering
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Uno R3 | 1 |
| KY-038 Sound Sensor | 1 |
| 5V Relay Module | 1 |
| 5mm LED | 2 |
| 1N4007 Diode | 3 |
| 10k? Resistors | 5 |
| 400-pt Breadboard | 1 |
| M-M Wires | 20 |
| 9V Battery Snap | 1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part | Pre-tested as a system |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project |
| Time to first working build | Days of debugging | Hours, with step-by-step guidance |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
Designed for CBSE Class 11-12 students exploring embedded systems, ATL Tinkering Lab mentors who need a ready-made workplace safety demo, and B.Tech ECE/EEE first-years building their first project. Parents introducing electronics to kids aged 5-15 will appreciate the no-solder assembly and friendly AI guide. It's equally at home in a Smart India Hackathon prototype pitch or a school science exhibition where the clap-triggered light wows judges and explains real-world noise-logic applications.
Built and Backed by Compoden
Every Compoden kit ships with an AI build companion trained on this exact project - accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.
What if I get stuck during the build?
Scan the QR code on the box for immediate access to the AI build companion, trained specifically on this kit. If you need human help, our WhatsApp support line is open 7 days a week.
Can I use this kit to control a real 230V bulb?
Yes, the included 5V relay module can switch up to 230V AC / 10A, so you can safely control a standard Indian light bulb or lamp. Adult supervision is recommended when connecting to mains electricity.
Does the kit work without soldering?
Absolutely. All connections are made on a breadboard with pre-cut jumper wires. No soldering required.
Is this suitable for a school project exhibition?
Definitely. It demonstrates a practical workplace safety solution and is easy to explain. The double-clap trigger impresses judges and teaches pattern detection.
Workplace Safety - Double clap detected by microphone toggles relay-controlled lamp.
What's in this kit
- Arduino Uno R3
- KY-038 Sound Sensor
- 5V Relay Module
- 5mm LED x2
- 1N4007 Diode x3
- 10k? Resistors x5
- 400-pt Breadboard
- M-M Wires x20
- 9V Battery Snap
Other projects you can build
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items