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Voltage Sensor Module (0-25V)

SKU: E2JH761C8J
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4.3 (136 reviews)
The 0–25V Voltage Sensor Module is a compact voltage measurement module designed to safely measure DC voltages up to 25V using the analog input of a microcontroller. The module is based on a precision resistive voltage divider, which scales the input voltage down by a factor of 5:1, allowing voltages up to 25V to be measured by microcontrollers with a...
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The 0–25V Voltage Sensor Module is a compact voltage measurement module designed to safely measure DC voltages up to 25V using the analog input of a microcontroller. The module is based on a precision resistive voltage divider, which scales the input voltage down by a factor of 5:1, allowing voltages up to 25V to be measured by microcontrollers with a maximum ADC input of 5V. (arduino.cc)

The module is ideal for monitoring battery voltages, power supplies, solar panels, and other DC voltage sources. It provides a simple analog output that can be connected directly to Arduino, STM32, PIC, AVR, and other 5V microcontrollers. It can also be used with ESP32 and Raspberry Pi (with ADC) by ensuring the analog output voltage does not exceed the ADC input voltage limit. Its compact design, high input impedance, and easy interfacing make it suitable for robotics, power monitoring, IoT devices, industrial automation, and educational electronics projects.

Key Features

  • Measures DC voltages from 0V to 25V
  • Built-in precision voltage divider circuit
  • 5:1 voltage scaling ratio
  • Analog voltage output
  • Simple 3-pin interface
  • High input impedance
  • Compact PCB design
  • No external power supply required
  • Easy interfacing with Arduino and other microcontrollers
  • Suitable for battery voltage monitoring
  • Ideal for solar panel and power supply monitoring
  • Accurate voltage scaling
  • Low power consumption
  • Easy integration into embedded systems

Shipping & Returns

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Specifications

Specifications:

Module Type: DC Voltage Sensor Module
Measurement Principle: Precision Resistive Voltage Divider
Input Voltage Range: 0V to 25V DC
Output Voltage Range: 0V to 5V DC (Typical)
Voltage Divider Ratio: 5:1
Operating Voltage: No External Supply Required
Output Type: Analog Voltage
Maximum Input Voltage: 25V DC
Recommended ADC Reference: 5V
Input Resistance: Approximately 30kΩ
Voltage Divider Resistors: 30kΩ and 7.5kΩ (Typical)
Measurement Resolution: Depends on ADC Resolution of Host Controller
Accuracy: Determined by Resistor Tolerance and ADC Resolution
Response Time: Instantaneous
Operating Temperature: -20°C to +70°C
Storage Temperature: -40°C to +85°C
Module Dimensions: Approximately 30mm × 13mm
Mounting Type: PCB Module with Through-Hole Connections
Compatibility: Arduino UNO, Nano, Mega, STM32, AVR, PIC, ESP32 (within ADC limits), Raspberry Pi (with external ADC), 8051 and other microcontrollers

Additional Resources

Voltage Sensor Module.PDF

FAQ

1. What is the 0–25V Voltage Sensor Module used for?

The module is used to measure DC voltages up to 25V, making it suitable for battery monitoring, solar panel voltage measurement, power supply monitoring, and embedded electronics projects.

2. How does the Voltage Sensor Module work?

The module uses a 5:1 resistive voltage divider to reduce the input voltage to one-fifth of its original value. This allows microcontrollers with a maximum 5V analog input to safely measure voltages up to 25V.

3. Can the Voltage Sensor Module be used with Arduino and ESP32?

Yes. The module is fully compatible with Arduino boards. It can also be used with ESP32 and other 3.3V microcontrollers, provided the analog output voltage does not exceed the ADC input voltage limit or an appropriate scaling/reference is used.

4. Does the module require an external power supply?

No. The module is a passive voltage divider and does not require a separate power supply. It operates directly from the voltage being measured.

5. Can the Voltage Sensor Module measure AC voltage?

No. The module is designed only for DC voltage measurement. It should not be connected directly to AC mains or AC voltage sources, as this may damage the module and connected electronics.