0-25V DC Voltage Sensor Module
The voltage sensor module is a small size 0-25 DC voltage sensing device. The design of the module is based on a resistive voltage divider circuit. It is a voltage sensor module that reduces the input voltage signal by a factor of 5 and generates a corresponding analog output voltage with respect to step down voltage factor. This voltage measurement circuit is small and portable and can be used to detect under and over-voltage faults in electrical circuits.
Voltage Sensor Module Pinout Configuration
| Pin Name | Description |
| Vin | The positive terminal of the External voltage source (0-25V) |
| GND | The negative terminal of the External voltage source |
| Vout | Analog pin connected to Analog pin of Arduino |
| NC | Not Connected |
| – | Ground Pin connected to GND of Arduino |
Voltage Detection Sensor Module Features & Specifications
- Input Voltage: 0 to 25V
- Voltage Detection Range: 0.02445 to 25
- Analog Voltage Resolution: 0.00489V
- Needs no external components
- Easy to use with Microcontrollers
- Small, cheap, and easily available
- Dimensions: 20 × 17 × 14 mm
Brief about Voltage Sensor Module
The voltage Detection Sensor Module is a simple and very useful module that uses a potential divider to reduce any input voltage by a factor of 5. This allows us to use the Analog input pin of a microcontroller to monitor voltages higher than it capable of sensing. For example, with a 0V – 5V Analog input range, you are able to measure a voltage up to 25V. This module also includes convenient screw terminals for easy and secure connections of a wire.
The internal circuit diagram of the Voltage Sensor Module is given below.
The voltage circuit consists of a voltage divider circuit of two resistors in which R1 is 30K and R2 is 7.5K.
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