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This voltage tester module is based on a resistive divider principle design, make the interface terminal input voltage reduced 5 times.
Ideal for hobbyists looking to integrate voltage monitoring in their DIY electronic projects or prototypes.
Perfect for developers working on Arduino projects that require voltage detection and monitoring capabilities.
Great for robot builders wanting to add voltage sensing to their smart car or other robotic designs.
May not meet the precise standards required for professional engineering applications and industrial use cases.
Voltage Tester Sensor Measurement Detection Module DC 0-25V Terminal Sensor Module for Arduino UNO Mega Robot Smart Car Geekstory (Pack of 10)
The Voltage Tester Sensor Measurement Detection Module DC 0-25V Terminal Sensor Module for Arduino UNO Mega Robot Smart Car Geekstory Pack of 10 is a device designed to measure voltage. It is compatible with many devices, including Raspberry Pi, and can be used to measure voltage on a 3.6V battery input into an Arduino or Photon, although the accuracy may not be ideal. Users advise that to use the full scale of the ADC, the resistor values must be changed so that the bridge divider provides 3.3V at output with an input of 4.2V. Users also suggest measuring the actual resistance and incorporating those numbers in the program for optimal use. The accuracy is fair, about 1%, and good enough for most applications. It works by dividing voltage by 5 using 30K and 7.5K resistors, and for future projects, some users prefer to use individual 0.1% 30K and 7.5K resistors. Overall, customers find the product affordable and reliable.
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