50pcs Robotdyn Simple DC Voltage Sensor DC 25V Voltage Detection Module Meter
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Feature:
This DC voltage sensor can detect voltage from 0 to 25V. Sensor is based on resistance points pressure principle, and it can make the input voltage of red terminal reduce 5 times of original voltage.The max for Arduino analog input voltage is 5 V, so the input voltage of this module should be not more than 5 V x 5 = 25 V ( if for 3.3 V system, the input voltage should be not more than 3.3 V x 5 = 16.5 V ). Because the for Arduino AVR chip have 10 bit AD, so this module simulation resolution is 0.00489 V (5 V / 1023), and the input voltage of this module should be more than 0.00489 V x 5 = 0.02445 V.
Package includes:
50 x DC voltage sensor
