A DC Voltage Sensor
is a device used to measure and monitor direct current (DC) voltage levels in
various applications. These sensors can be crucial in systems where monitoring
voltage is necessary for operational safety, efficiency, or automation.
DC voltage sensors typically operate using one of the following methods:
1. Voltage
Divider: For high voltages, a voltage divider circuit is often used.
This circuit divides the input voltage to a lower level that can be safely
measured by the sensor or microcontroller.
2. Operational
Amplifier (Op-Amp): Some sensors use op-amps to amplify or scale the
input voltage to a desired range before sending it to the output.
3. Analog-to-Digital
Conversion: In digital sensors, the analog input voltage is converted
into a digital value using an ADC, which can then be read by a microcontroller.
Applications
of DC Voltage Sensors
- Battery Monitoring:
Used in battery management systems to monitor voltage levels and state of
charge.
- Power Supplies:
Monitoring the output voltage of power supplies in various electronic
devices.
- Renewable Energy Systems: Used in solar inverters to monitor the voltage output
from solar panels.
- Industrial Automation:
Monitoring voltages in industrial equipment to ensure they operate within
safe limits.
Specifications-
- Voltage
input range: DC 0-25V
- Voltage
detection range: DC 0.02445V-25V
- Voltage
Analog Resolution: 0.00489V(depends on ADC Resolution of MCU)
- DC
input connector: Terminal cathode connected to VCC, GND negative pole
- Output
interface: "+" connect 5/3.3V, "-" connect GND,
"s" connect the Arduino AD pins
This 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
allows you to use the analog input of a microcontroller to monitor voltages
upto 25V. An input voltage between 0 to 25V is converter to 0 to 5V which can
be easily interfaced to the ADC pin of a microcontroller to sense the voltage.
Perfect for use in battery monitoring, charge regulation, low voltage sensing,
etc
For example with a 0-5V analog input range, you are able to
measure a voltage up to 25V. This voltage sensor module also includes
convenient screw terminals for the easy and secure connection of a wire.
This voltage sensor is a precise low-cost sensor for measuring
voltage. It is based on the principle of resistive voltage divider design. It
can make the red terminal connector input voltage 5 times smaller. 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.
