5Pcs SW 420 Vibration Sensor Module Vibration Switch Alarm Sensor Module For Arduino And Microcontrollers With Digital Output 3.3V To 5V LM393 Comparator Included Plug And Play

Five-Pack SW-420 Vibration Sensor Modules for Arduino 3.3-5V
✔️ 5x SW-420 vibration sensors with LM393, 3.3V-5V, plug and play

These small SW-420 vibration sensor modules act as vibration switches that close a digital output when movement is detected. They’re popular in Arduino projects, security alarms, and equipment monitoring where simple motion sensing is needed.

✅ Pack quantity: 5 modules per package
✅ SW-420 normally closed vibration sensor
✅ Digital output: 0/1 signals
✅ Wide operating voltage: 3.3V-5V
✅ Onboard LM393 comparator for clean signal
✅ Mounting holes for easy installation; board size 32mm x 14mm (3.2cm x 1.4cm)

💡 What is a vibration sensor module used for with Arduino projects and how does it work?

Here's a handy overview: - Handy for detecting vibration and triggering a digital signal - Works with 3.3V-5V microcontrollers like Arduino - Common in anti-theft, machinery monitoring, and motion alerts - Uses LM393 comparator for stable output✝️