Analog Voltage Divider up to 25V

A simple but very useful module which uses a potential divider to reduce any input voltage by a factor of 5. This allows you to use the analogue input of a microcontroller to monitor voltages much high than it capable of sensing. For example with a 0V - 5V analogue 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.

This module is based on a principle of resistive voltage divider design, & can make the red terminal connector input voltage up to 5 times smaller. Arduino analog input voltages up to 5V, results in the voltage detection module input voltage not being greater than 5V x 5 = 25V (if you're using a 3.3V systems, the input voltage is not greater than 3.3V x 5 = 16.5V).

Note:Arduino AVR chips have 10-Bit AD, so this module simulates a resolution of 0.00489V (5V/1023), so the minimum voltage of input voltage detection module is 0.00489V x 5 = 0.02445V.

Quick Spec

  • Divider Ratio: 5:1
  • Resistor Tolerance: 1%
  • Max Input Voltage: 25V
  • Resister Value: 30K/7.5K Ohm

Pinout



    Input:
  • GND - This is where you connect the low side of the voltage you are measuring. Caution:This is the same electrical point as your Arduino ground.
  • VCC - This is where you connect the high side of the voltage your are measuring (0 - 25V)
    Output:
  • S: This connects to your Arduino analog input.
  • -: This connects to your Arduino ground.
  • +: This is not connected. It does absolutely nothing.

The Connections




Code

Shipping List

  • 1 x Small Voltage Sensor Module 25V


Analog Voltage Divider up to 25V

  • Brand: Generic
  • Product Code: VOLT-MOD-SMALL
  • Weight: 0.004kg
  • Product Status : Active
  • Stock

    Warehouse Stock Status Location
    Centurion In Stock M7-02
    Stellenbosch In Stock 521
    Bulk Location No Stock

    We ship free of charge between branches to complete your order.

  • R9.00 (Inc Tax: R10.35)


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Tags: voltage, sensor, module, 25v