Ammeter Click Board

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MFR Part No: MIKROE-2377
Ammeter Click Board, Development Board Accessory, Measuring AC/DC current
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Ammeter click is a mikroBUS™ add-on board with circuitry for measuring electric current (both AC and DC).

Two onboard screw terminals (probe+ and probe-) are bringing in the current, which then passes through a shunt resistor. A voltage proportional to the strength of the current is generated accross the resistor. This voltage passes through an amplifier before it's fed into a 12-bit ADC which then outputs a digital value through the mikroBUS™ SPI interface.

The firmware processes the digital value to determine the exact amperage between 1mA and 1A for DC current. It's also possible to measure AC current by deriving the value from peak to peak measurements. At the same time, the voltage can be directly monitored through the AN pin.

The board uses either a 3.3V or 5V power supply (it's important not to power the board from the same power source you wish to measure).


Electric current measuring and monitoring



  • MCP3201 ADC, MAX6106, AD8616 OpAmp
  • Maximum voltage for safe use: 48 V
  • Screw terminals for probes
  • 3.3V or 5V power supply
  • Measures both DC and AC
  • 1mA - 1A measurement range
  • Ready-to-use examples save development time
  • Works in all MikroElektronika compilers
Form factor
mikroBUS™ (Click Boards)
Power Supply
Additonal Equipment
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