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Max471 Voltage Current Sensor Voltage Load Detection

$6.75 (AUD)

For Arduino, AVR chips have 10-bit AD, so this module simulates a resolution of 0.00489V (5V/1023), so the minimum voltage of the input voltage detection module is 0.00489Vx5=0.02445V. The MAX471 chip on the board was used to test the consumed current of the load.

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Description

  • Max471 Voltage Current Sensor Voltage Load Detection
  • Test Voltage range: DC3 – 25V (Arduino work on 5V) or DC3 – 16.5V (for Arduino work on 3.3V)
  • Test Current range: DC 0 – 3A, Precision 2%, current and voltage transformation ratio is 1V/A

Detection Pin Description:

  • Max471 Voltage Current Sensor Voltage Load Detection
  • VT: voltage detection pin, the detection voltage is 1/5 of the input voltage.
  • AT: current detection pin
  • GND: Connect to  the Arduino GND
  • VOUT/VIN: VOUT=VIN

This module can be used to test the current and voltage in the circuit.

The principle of voltage test based on the principle of resistive voltage divider design can make the red terminal connector input voltage 5 times smaller. for Arduino analogue input voltages up to 5 v, the voltage detection module input voltage not greater than 5V x 5 = 25V (if using 3.3V systems, input voltage not greater than 3.3V x 5 = 16.5V).

Package included: 1x Max471 Voltage Current Sensor Voltage Load Detection

Development  Resources: demo codes, schematics, datasheets, etc

 

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Notes:

1. There may be slight size deviations due to manual measurement, different measuring methods and tools.
2. The picture may not reflect the actual colour of the item because of different photographing light, angles and display monitor.

Weight 0.006 kg
Dimensions 2.8 × 2.5 × 1.2 cm

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