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The ROBODIUM Shock Alert Kit is a smart and sensitive motion-triggered alert project ideal for security systems, safety alarms, vibration monitoring, and DIY electronics learning.
Using the SW-420 vibration sensor, this kit detects shocks, knocks, or sudden movements and instantly activates an LED indicator and buzzer alarm.
This beginner-friendly kit is perfect for students, hobbyists, STEM learners, and makers who want to understand sensor interfacing, threshold-based detection, and microcontroller programming using Arduino UNO.
Use it for:
Home security
Anti-theft systems
Door/Window vibration alarms
Earthquake/motion sensing experiments
Machinery vibration monitoring
Operating Voltage: 3.3V – 5V
Sensitivity adjustable using onboard potentiometer
Digital Output (HIGH/LOW)
Detects: vibration, knocks, shocks, movement
Onboard LM393 comparator IC
ATmega328P Microcontroller
14 digital I/O pins (6 PWM)
6 analog inputs
Power via USB or 9V battery
Compatible with Arduino IDE
5mm LED for visual alert
Buzzer / Alarm Siren for sound alert
220Ω Resistor included for safe LED operation
9V Battery for portable operation
9V Battery Clip with connector
Optional On/Off Switch for easy control
High-quality jumper wires for stable connections
USB cable for uploading Arduino code
SW-420 Vibration Sensor Module × 1
Arduino UNO Board × 1
5mm LED (any colour) × 1
Jumper Wires / Hookup Wires Set × 1
USB Cable (for uploading program) × 1
9V Battery × 1
Battery Connector (9V Clip) × 1
220Ω Resistor for LED × 1
Buzzer / Alarm Siren × 1
On/Off Switch × 1
At ROBODIUM™, we want you to be completely satisfied with your purchase. You may return most items within 7 days of delivery for a full refund or exchange.
Most items sold on ROBODIUM™ can be returned within the return window, including:
To be eligible for a return, items must be:
Note: Products damaged due to misuse, modification, static discharge, soldering, or improper handling may not be eligible for return.
We arrange the return pickup for you — hassle-free returns similar to major e-commerce platforms.
All products include a minimum 15-day warranty against manufacturing defects, unless otherwise specified on the product page.
Warranty does not cover misuse, soldering damage, modifications, physical damage, or incorrect electrical connections.
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Take 20% off your first order
Enter the code below at checkout to get 20% off your first order