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Voltage Detection Sensor Module 25V

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  1. You can also use the IICLCD1602 LCD to display voltage.
  2. By 3P connector, connect this module with the expansion of board Arduino
  3. Voltage input range: DC 0-25 V
  4. Voltage detection range: DC 0.02445 V  to 25 V
  5. Voltage analog resolution : 0.00489 V

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A voltage detection Sensor is a simple but very useful module that uses a potential divider to reduce an input voltage by a factor of 5. The Voltage Sensor Module 25V allows you to use the analog input of a microcontroller to monitor voltages much higher than it is capable of sensing. For example with a 0-5V analog input range, you can measure a voltage up to 25V. This voltage sensor module also includes convenient screw terminals for easy and secure connection of a wire.

This module is based on the principle of resistive voltage divider design, which can make the red terminal connector input voltage 5 times smaller. Arduino analog input voltages up to 5 v, the voltage detection module input voltage not greater than 5Vx5=25V (if using 3.3V systems, input voltage not greater than 3.3Vx5=16.5V). Arduino AVR chips have 10-bit AD, so this module simulates a resolution of 0.00489V (5V/1023), so the minimum voltage of the input voltage detection module is 0.00489Vx5=0.02445V.

At the core of a voltage detection sensor module is a voltage sensor circuit capable of accurately measuring the voltage across its input terminals. This circuit typically includes components such as resistors, operational amplifiers, and voltage reference sources, configured to provide precise voltage measurement within the specified range. The module may also feature protection circuitry to ensure safe operation and prevent damage from overvoltage conditions.

The primary function of the voltage detection sensor module is to monitor the voltage level at its input and provide an output signal or indication when the voltage exceeds or falls below a predetermined threshold. This threshold can be set by the user or predetermined based on the application requirements. When the input voltage crosses the threshold, the module triggers an output signal, which can be used to activate alarms, shut down circuits, or initiate corrective actions to prevent damage or malfunction.

In addition to voltage monitoring, some voltage detection sensor modules offer additional features such as adjustable sensitivity and hysteresis. Adjustable sensitivity allows users to fine-tune the module’s response to voltage variations, ensuring optimal performance in different operating conditions. Hysteresis, on the other hand, helps prevent rapid switching of the output signal near the threshold voltage, reducing the likelihood of false triggering due to voltage fluctuations or noise.

Voltage detection sensor modules are designed to be versatile and easy to integrate into various electronic systems. They typically feature standardized interfaces such as digital or analog outputs, making them compatible with a wide range of microcontrollers, programmable logic controllers (PLCs), and other electronic devices. This compatibility simplifies the integration process and allows developers to incorporate voltage monitoring capabilities into their projects without extensive hardware modifications.

These modules are commonly used in battery management systems to monitor the voltage of individual cells in a battery pack and prevent overcharging or over-discharging, which can damage the batteries or pose safety risks. They are also employed in power supply circuits to ensure stable output voltages and protect sensitive electronic components from voltage spikes or fluctuations.
In summary, voltage detection sensor modules capable of detecting voltages up to 25V play a crucial role in various electronic systems where voltage monitoring is essential. By providing accurate voltage measurement and triggering timely responses to voltage deviations, these modules help ensure the safe and reliable operation of electronic devices and systems in a wide range of applications.

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Note:

Keep in mind, you are restricted to voltages that are less than 25 volts.   More than that and you will exceed the voltage limit of your Arduino input.

Connection Diagram


Features :

  1. Output Interface: “+ ” connected 5/3.3V, “-” connected GND, “s” connected Arduino AD pins
  2. DC input interface: red terminal positive with VCC, negative with GND
  3. You can also use the IICLCD1602 LCD to display voltage.
  4. By 3P connector, connect this module with the expansion of board Arduino, which not only makes it easier for you to detect voltage battery.

Package Includes :

1×Voltage Detection Sensor Module

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