Reference: RBD-0142
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The 801S Vibration Sensor Analog Module is a reliable and durable solution for detecting and monitoring vibrations in various applications. Featuring a gold alloy plated shock sensor and an onboard LM393 comparator IC, it provides both analog and TTL-level digital signal outputs. The adjustable sensitivity potentiometer allows users to set a threshold value for precise detection, making it suitable for micro shock detection and real-time vibration monitoring. With the ability to handle up to 60,000,000 shock cycles, this sensor is ideal for applications in the mining and metalworking industries, gas turbines, and equipment monitoring systems. Its compact design and versatile functionality make it an essential component for detecting motion, force, and vibration-related anomalies. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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| General Specifications | |
| Voltage Input | 5V |
| Signal Outputs | Analog (A0), Digital (D0) |
| Sensitivity Adjustment | Yes, via potentiometer |
| Comparator IC | LM393 |
| Sensor Material | Gold alloy plated |
| Sensor Type | Piezoelectric |
| Pin Configuration | VDD (Power), GND (Ground), A0 (Analog Output), D0 (Digital Output) |
| Alternatives | SW-420, RS-Pro, SW-520, Seeed Studio 101020054 |
| Dimensions | 7 x 6 x 2 cm |
| Shipment Weight | 0.005 kg |
| Shipment Dimensions | 7 x 6 x 2 cm |
Please allow 5% measuring deviation due to manual measurement.
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The vibration sensor module consists of two main chips; 801S and an LM393 comparator. The module also comes with a sensitivity adjust potentiometer to set a threshold value for the output signal.
A vibration sensor is a piezoelectric sensor. It consists of a transducer that converts mechanical energy caused by vibration or change in motion to an electrical signal output by the principle of the piezoelectric effect. The sensor can monitor the changes in acceleration, pressure, temperature, and force and convert them into electrical output.
Below is the pin configuration of the 801S module. It is a 4 pin module with both analog and digital output pins.
| Pin Type | Pin Description |
| VDD | Voltage Input pin |
| GND | Ground terminal |
| D0 | Digital Signal Output pin |
| A0 | Analog Signal Output pin |
Note: Some 801S vibration sensor modules may also just come with 3 pins. Those modules do not have an analog output pin for real-time vibrational output monitoring and just provide digital high and low when a threshold value is reached.
Connections of 801S Vibration sensor are shown in the image below. 801S is a 4-pin module having power pins along with digital and analog output pins. The VCC pin of the sensor module is to be connected to the +5V pin, the ground is connected to the ground terminal of the microcontroller. The analog pin (A0) and digital pin (D0) on the sensor module are connected to the analog and digital terminals of the microcontroller, respectively.

1 x 801S Vibration Sensor Analog Module
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