They provide a meter socket that supports a standard utility meter and a main disconnect breaker. This project may not enable you to build a high end measurement tool but will be a good diy project which gives a better understanding on ad converter in microcontrollers. Volt meter and ampere meter with pic can be used to measure voltage and current simultaneously. Pic18f20 volt amp meter with 16x2 lcd hi, i am trying to make a volt amp meter for my hand made variable voltage source. Adc module of pic microcontroller converts the signals on its analog pin to 10 bit binary data and it has software selectable high and low voltage reference input to some combination of vdd, vss, ra2 and ra3. We have used a 16x2 lcd to display the value of the current.
As the name suggests, this digital ammeter project measures the current from 1 to 10 amperes and is a pic microcontroller 16f877a based ammeter that uses seven segment display along with it. From the picture, you can even see when the plc transmits small drops in voltage and the big drop is when i keyed the radio for about 10 or 15 seconds. Pic volt ampere meter volt ampere meter measures voltage of 070v or 0500v with 100mv resolution and current consumption 010a or more with 10ma resolution. The pic micro reads the input voltage through one of the 8 analog. You will find the answer in the software section below. This will prevent the pic controlling the temperature of the thermistor to a pre set value. Digital ammeter circuit and project using pic microcontroller. This pic volt ampere meter was designed to measure output voltage of 070v or 0500v with 100mv resolution and 010a or more current with 10ma resolution. Electronic voltmeter ammeter circuit pic16f876 lcd picbasic. The trumeter apm range is unlike any other digital panel meter. This voltmeter ammeter was designed to measure output voltage of 070v. Volt meter and ampere meter with pic can be used to measure voltage and current at the same time. Homemade pic based voltampere meter 40v 40a youtube. Turn your dial to that, put your black probe into your meters com port and the red probe into your meters fused port that is rated higher than the fuse.
Digital volt meter is a mini project that i made as my project of the subject microprocessor based instrumentation system. In the event you are adding a lot of constant highoutput accessories to your musclecar such as electric fans, an electric fuel pump, or a high amp stereo, the overall gm stock wiringharness. For example, 1 amp through 1 ohm results in a voltage drop of 1 volt. With advanced performance, the amp clamp meter line is designed to be simple to use and gimmickfree. Free wattsview data logger software windows and mac os x. No licensing fees, no limit on usage, no hidden costs. Pic lcd volt meter hardware you can use any pic microcontroller that has an adc and enough memory to hold the program. Look for a solid line over a dashed line over an a, like a. Wattsview power monitor wattsview power monitoring.
Powerwerx panel mount dual digital red volt meter for 1224v systems. How to make a digital voltmeter, ammeter module circuits. They are pic16f877a, lcd display 16 x 2 and low power quad op amp lm324. Here is a digital ampere meter using pic microcontroller 16f877a and seven segments display 0 to 10 a. This project will describe how to make a simple digital voltmeter dvm using a pic16f688 microcontroller. The apm configurator software installs directly onto a windowsbased pc. The led is pulsed after every adc acquisition to indicate that the processor is alive so you can tell if the software is active.
Glcd volt ampere meter circuit pcb is not a drawing but glcd amps volts meter circuit source c, hex codes and circuit diagram. Supposed to measure up to 100 volts, and up to 10 amps. The proposed digital voltmeter, ammeter circuit module can be effectively used with a power supply for indicating the voltage. I had been using until now a pic18f4520, on which i made library for controlling the lcd hitachi hd44780 controller. The multimeter provides exceptionally accurate readings due to builtin software. Voltmeter ammeter uses very few external components making it possible to fit this handy meter on a small pcb. You might need to made changes to the circuit to accommodate a different type of programmer, do read the programmers instructions. Digital volt and amp meter with temperature control electronicslab. Digital ammeter using pic microcontroller 16f877a and. The meter provides exeptionally accurate readings due to buitin software based calibration and the use of 1% metal film resistors.
A hd44780 based character lcd is used to display the measured voltage. Voltmeter and ammeter using pic microcontroller electrosome. A pic 16f876a microcontroller will be used in the voltammeter. The pic microcontroller used in this project is pic16f688 that has 12 io pins out of which 8 can serve as analog input channels for the inbuilt 10bit adc. It is not intended to install over a network or run from a server. The analog input to pic is limited to vss and vdd voltages 0 5v of pic. Pic voltmeter amperemeter can measure voltage 070v or 0500v with. In this circuit diagram, 30 volt dc source is applied to 40ohm load. Digital power saving energy monitor watt amp volt kwh meter electricity analyzer. The meter is a perfect addition to any power supply, battery chargers and other electronic projects where voltage. Ohms are the base unit of resistance in an electrical system.
Open source pic micro controller architecture with 8 bit digital io and two analog inputs, one for current sensor monitoring and one for voltage monitoring. Each one has been specifically designed for engineers who require a more effective way of monitoring and displaying data. I have an amp volt meter just like the one you have in this tutorial. Square d meter main products meet a wide range of applications in use today. Voltmeter and ammeter can be easily made using pic microcontroller having.
You can use any pic microcontroller that has an adc and enough memory to hold the program. Making use of icl7107, we are able to build correct and really low price digital voltage. A digital volt meter and an ammeter become very handy for monitoring voltages and. Voltamp meter using avr microcontroller gadgetronicx. There are many internet sites and pic programmers that you can use. In this post a simple digital dual voltmeter and ampere meter design will be shown. Built on success, digital clamp meters designed by fluke are known as workhorse current clamp meters. In this project, i have used three major electronic components. Homemade pic based voltampere meter 40v 40a kmx1cross. Dual voltmeter amperemeter lcd microcontroller based. Electrical multimeter digital 90 to v set test meter. This single compact solution provides a time and space saving solution for contractors and installers. Here we have a tendency to employing a very moderate ic for voltage activity particularly icl7107cs7107. It is so small you may not be able to even measure it properly with a regular meter.
We will be matching the voltage of pic voltmeter with the commercial multimeter. For my pic16f18345, the data sheet said it can run anywhere from 2. Electronic voltmeter ammeter circuit pic16f876 lcd. The meter provides exeptionally accurate readings due to buitin software based. Introduction this project describes how to make a digital voltmeter using a pic microcontroller. Consult your local utility for a specific list of approved devices. We understand your workspace and have designed products for noisefree, reliable readings. Digital ammeter circuit using pic microcontroller is designed to measure dc current. The output pin of the current sensor vout is connected to the 7 th pin of the pic which is the an4 to read the analog voltage further the pin connection for the pic is shown in the table below. Free shipping on many items browse your favorite brands. Now,for the fun and me be by nostalgie i want to build again 2 modules on base of your circuit volt amp mesures,but the first. Digital ammeter circuit using pic microcontroller and acs712. Unit ut25a digital circuit breaker finder with gfci outlet socket tester led.
The trumeter apm configurator allows you to programme custom configurations onto your apm. This project teaches you to build a simple volt amp meter using avr microcontroller. The design of a voltmeterammeter using pic microcontroller. In this project we are going to make our own digital ammeter using.
Since its foundation in 2000 selec has become the market leader for timers, counters and temperature controllers in india. Pic voltmeter amperemeter can measure voltage 070v or 0500v with 100mv resolution and current consumption 010a or more with 10ma resolution. It needs only one supply voltage that can be acquired directly from the main power supply. Volt meter one aspect of pic micro controllers that i found to be a novelty is their ability to work across a wide range of supply voltages. Voltage and current are two most important parameters of electricity. It is a perfect addition to any diy laboratory power supply, battery chargers and other electronic projects where voltage and current consumption must be monitored.
Powerwerx panel mount combo temperature and volt meter. How to wire digital dual display volt and ammeter diy. The timer value can not be adjusted i have used program. The ampere or amp is the unit of measure for current. The ohm is defined as an electrical resistance between two points of a conductor when a constant potential difference of one volt, applied to these points, produces in the conductor a current of one ampere, the conductor not being the seat of any electromotive force. In this project we have a tendency to design a circuit to build an electronic voltmeter while not making use of any microcontroller. Digital ammeter using pic microcontroller project is designed to. In this project, you will learn how to measure dc current using pic microcontroller. Mini project digital volt meter dvm using pic16f877a. Two software packages will be used to orchestrate the design process of the circuit and.