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C Meter click

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Author: MIKROE

Last Updated: 2016-10-25

Package Version: 1.0.0.0

Category: Measurements

Downloaded: 1161 times

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License: MIT license  

C Meter click is a mikroBUS add-on board with circuitry for measuring the value of capacitors. The design is based on a NE-555 timer/square-wave generator.

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C Meter click

C Meter click

C Meter click Front and Back picture.

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C Meter click is a mikroBUS add-on board with circuitry for measuring the value of capacitors. The design is based on a NE-555 timer/square-wave generator. The chip is implemented in an astable multivibrator circuit with fixed resistors and adjustable capacitors. 


The board has four different-sized plates for placing SMD capacitors (covering standard SMD packaging dimensions) as well as a socket for inserting a thru hole capacitor. 


The board outputs a square wave frequency through the INT pin. Depending on the capacitor placed on the board, the value of this frequency changes. The value of a capacitor can be inferred using a simple algorithm (shown in the Libstock code example). 


Onboard screw terminals are placed to allow the click to be used with multimeter probes. 
C Meter click is designed to use a 5V power supply, but can work with either 3.3V or 5V logic levels.

C Meter click

C Meter click

C Meter click Shematic Picture.

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