Category: MCU

Simple Current Sensor for Arduino and PIC

Last time I have posted a simple Current sensor for Arduino using only a resistor here in this post. But there are some problems on this kind of simple circuit and they are 1)  very lossy due to the big voltage drop on the resistor 2) if you decrease the voltage drop on the resistor, it will decrease the resolution 3) There is a significant voltage drop on the load at higher load current which is not good. The allegro current sensor ACS7xx series is a good alternative but it cost too much for my project so I search for another option.  Then I found this ZXCT1008 that is just right for my application.

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Simple Current Sensor for Arduino

There is actually a board that you can attach to arduino for measuring current but if you don’t need a very accurate measurement, you can use this very simple circuit. Usually a low resistance resistor is connected in series to the load. The voltage of the resistor is measured and divided to its resistance, the result will be current.

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Connecting Arduino Nano to 16×2 LCD

Connecting arduino to 16×2 LCD is very much easy compared to microchips PIC microcontrollers. This maybe because the arduino has lots of software library aimed for beginners. The program is easy to understand, I am sure you can be able to understand it even if you are still new to programming.

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