Home Security Motion Sensor Kit with BBC Micro:bit
Build Your First Home Security Alarm with BBC Micro:bit – Motion Sensor Kit for Kids 8-10
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Turn the BBC Micro:bit into a personal security guard for your room. This starter kit lets young makers build a motion-sensing alarm that beeps and blinks red whenever someone enters. It’s a fun introduction to how everyday security systems work, completely safe and solderless with alligator clips and a breadboard.
What You'll Build
A working motion-activated alarm system. When the PIR sensor detects movement, the micro:bit triggers a piezo buzzer and flashes two red LEDs. Kids can customize the alarm tone and LED patterns using simple block code on MakeCode. It’s a hands-on way to understand how burglar alarms and automatic lights function.
What You'll Learn
- How infrared motion sensors detect people
- Writing and uploading code to BBC Micro:bit using MakeCode
- Connecting sensors and output devices with crocodile clips and breadboard
- Logical thinking: trigger-and-response programming (if motion, then alarm)
Kit Contents
| Component | Quantity |
|---|---|
| BBC Micro:bit v2 | 1 |
| HC-SR501 PIR | 1 |
| Piezo Buzzer | 1 |
| Red LED | 2 |
| 100Ω Resistors | 3 |
| Half Breadboard | 1 |
| Crocodile Clips | 4 |
| MicroUSB Cable | 1 |
| AA Battery Holder | 1 |
| AA Batteries | 2 |
| M-M Wires | 10 |
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
A perfect first electronics project for 8-10 year olds. Ideal for
Home Security — PIR sensor triggers a micro:bit alarm and flashes LEDs when motion is detected — first home security project.
What's in this kit
- BBC Micro:bit v2
- HC-SR501 PIR
- Piezo Buzzer
- Red LED x2
- 100Ω Resistors x3
- Half Breadboard
- Crocodile Clips x4
- MicroUSB Cable
- AA Battery Holder
- AA Batteries x2
- M-M Wires x10
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