# vibrational sensor ## Description Arduino-based vibration sensor module with SSD1306 OLED display for real-time vibration readings ## Project Details - **Owner:** karthik120 - **Created:** 3/23/2026 - **Last Updated:** 3/23/2026 - **Visibility:** Public - **System Architecture:** ```mermaid flowchart TD A[Arduino 5V and GND] --> B[Piezo vibration sensor network] B --> C[Bias divider at 2.5V] B --> D[RC filter and clamp] D --> E[Arduino A0 analog input] ``` - **Operating Voltage:** 5V - **Domain:** Sensing - **Power Requirements:** Arduino Uno 5V rail powers the vibration sensor front end; sensor output is conditioned and read on analog input A0 - **Software:** Firmware should read vibration levels on Arduino Uno and update the SSD1306 OLED over I2C - **Connectivity:** Arduino Uno analog vibration sensing with I2C display interface - **Human Interface:** SSD1306 I2C OLED display for real-time vibration readings ## Key Components ### OLED1 — [OLED 128 x 64 0.96inch](https://www.flux.ai/baronunread/oled-128-x-64-0p96inch~ay.md) - Part Type: Display Device - Role: Display - Role Details: SSD1306-based I2C OLED for real-time vibration readout and status display - Package: Module **Pins:** - 5V [pin 3] - GND [pin 4] - SCL [pin 2] - SDA [pin 1] ### U1 — [Arduino-UNO-R3](https://www.flux.ai/jecstronic/arduino-uno-r3~kf3.md) - Manufacturer Name: Arduino - Package: Module - Role: Controller - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Arduino%20PDFs/A000066_Web.pdf - Manufacturer Part Number: Arduino-UNO-R3 - Role Details: Arduino Uno R3 platform providing 5V power, ground, and analog input for vibration sensing - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Development Board **Pins:** - +3V3 [pin 4] - +5V [pin 5] - AREF [pin 30] - D0/RX [pin 15] - D1/TX [pin 16] - D10 [pin 25] - D11 [pin 26] - D12 [pin 27] - D13 [pin 28] - D14/A0 [pin 9] - D15/A1 [pin 10] - D16/A2 [pin 11] - D17/A3 [pin 12] - D18/A4 [pin 13] - D18/SDA [pin 31] - D19/A5 [pin 14] - D19/SCL [pin 32] - D2 [pin 17] - D3 [pin 18] - D4 [pin 19] - D5 [pin 20] - D6 [pin 21] - D7 [pin 22] - D8 [pin 23] - D9 [pin 24] - GND [pin 6] - GND [pin 7] - GND [pin 29] - IOREF [pin 2] - NC [pin 1] - RESET [pin 3] - VIN [pin 8] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/karthik120/vibrational-sensor~2c](https://www.flux.ai/karthik120/vibrational-sensor~2c).* --- *Generated from [https://www.flux.ai/karthik120/vibrational-sensor~2c](https://www.flux.ai/karthik120/vibrational-sensor~2c)*