1pc Voltage Detection Sensor Module for Arduino, ESP8266 & Raspberry Pi NO5134

Parameter:

1. Voltage input range: DC0-25V

2. Voltage detection range: DC0.02445V-25V

3. Voltage simulation resolution: 0.00489V

4. DC input interface: terminal positive terminal is connected to VCC, negative terminal is connected to GND

5. Output interface: \"+\" is connected to 5/3.3V, \"-\" is connected to GND, and \"s\" is connected to AD pin.

Descriptions:

This module is designed based on the principle of resistor divider to reduce the input voltage of the terminal interface by 5 times and the analog input voltage to 5V at most. The input voltage of the voltage detection module cannot be greater than 5V × 5 = 25V (if a 3.3V system is used) The input voltage can\'t be greater than 3.3Vx5=16.5V). Because the AVR chip used by is 10-bit AD, the analog resolution of this module is 0.00489V (5V/1023), so the voltage detection module detects the input minimum voltage is 0.00489V× 5=0.02445V.

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