This is the reason a voltage divider circuit is required in this project.Īfter that copy this code and compile it with MikroC for Pic compiler. Therefore, in order to measure dc voltages higher than this level, we need come up with a solution to step down input voltage. Hence, built-in ADC module of PIC16F877A microcontroller can read analog signal in the range 0 to 5 volts only. The simple and basic reason to use voltage divider circuit is that pic microcontroller operating voltage is between 0-5 volts. How to measure DC voltage?įirstly, lets discuss do we need to use a voltage divider circuit. But you can use any other pic microcontroller also. Components Requiredĭigital Voltmeter with 7-segment display circuit diagramĪ picture below shows the circuit diagram of DC voltmeter with four digit seven-segment display and voltage divider circuits interfacing with PIC16F877A microcontroller. We will use the ADC module of PIC16F877a microcontroller to measure DC voltage. Supports all normal text editor keyboard shortcuts. Remains responsive with 1 million+ edits. Unlimited file size (limited by what the actual file system supports). Here is the ASCII Table with all ASCII Characters expressed with their Decimal Values, Octal Values, Binary Values, and Hexadecimal Values. But in this post, instead of using LCD, we will use a four-digit 7-segment display to print voltage value. 0圎D is a native OS X hex editor based on the Cocoa framework. In the last tutorial, we designed a DC digital voltmeter with a 16×2 Liquid crystal display. other free ones available here as well (wxHe圎ditor, Hex Fiend, 0圎D, iBored, FileCarver and several others). In this tutorial, we will design a digital voltmeter using a 7-segment display and pic microcontroller. Analyze and edit binary files of any size.
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