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Product Description

DC 0-25V Voltage Detection module
Feature 1
Since there are various electronic products at present, the voltage of the power supply is also different, if you want to detect, you need a suitable voltage detection module and controller. The upper limit of the input voltage detected by the analog interface of the controller is 5V, which means that voltages greater than 5V cannot be detected.
Feature 2
This voltage detection module of Stemedu can solve this problem and realize the detection of voltages greater than 5V. This module is designed based on the principle of resistance divider, which can reduce the voltage input by the red terminal interface by 5 times.
Feature 3
The upper limit of the analog input voltage is 5V, then the voltage The input voltage of the detection module cannot be greater than 5V×5=25V (if a 3.3V system is used, the input voltage cannot be greater than 3.3Vx5=16.5V).

Dimension of DC0-25V Voltage Tester Terminal Sensor Module
- Size: 35mmx25mmx10mm
- Voltage input range: DC0-25V
- Voltage detection range: DC0.02445V-25V
- Voltage Analog Resolution: 0.00489V
Stemedu DC 0-25V Voltage Detection Sensor Module and Ar duino Connection

Description
Output interface:
- + 5V or 3.3V
- - GND
- S Arduino AD pins
Because the AVR chip used by Arduino is 10-bit AD, the analog resolution of this module is 0.00489V (5V/1023), so the lower limit voltage of the voltage detection module's detection input is 0.00489V×5=0.02445V.
- NOTE: The input voltage (voltage to be measured) is restricted to 25V.
Reference code

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