How to make inductance meter using arduino in this video i will show you how to make an inductance meter using arduino. Build a 6x6 grid with an mpr121, expanding possible inputs from a mere 12 to 36. Low cost auto range l c f esr meter electronic project circuit. Updated library for use with the latest arduino ide. Lcfesr meter is a precise, autorange meter for measuring inductivity l, capacity c, frequency f and equivalent series resistance of a capacitor incircuit esr based on avr atmega88papu microcontroller. Then outputs the frequency in hzkhz on the lcd display. Schematic source code this is the project i am currently working on 20100123. Oct 16, 2010 so i decided to write this article on how to build an lc meter using an atmega328p chip and arduino libraries. This is a functionality that i found missing in just about any digital multi meter. An inductor in parallel with a capacitor is called an lc circuit, and it will electronically ring like.
Arduino frequency meter using 16x2 display homemade circuit. Jan, 2019 now you know how the arduino measures and calculates the frequency. It also doesnt matter much if the software is for avr, pic, or whatever. Some are standalone software you install on your pc and others run on a website usually a companys website. Yet one circuit works the other doesnt dont get it. Practice resonant method lc circuit is cooperates with the lm393d comparator, from which the output is fed back loop to the lc circuit. The only easiest method is to use an inductance meter. Some same feature as overload and iemp nokia 5110 lcd display.
Another thing they have in common is that it is hard to know their exact value. We are going to use an lc circuit frequency response formula. Arduino frequency meter using 16x2 display homemade. Results obtained from developed device are confirmed with commercial lcr meter. Arduino rclf meter sometimes when you make home electronic devices, you need to measure capacitance or inductance. Arduino uno projects list in pdf offline downloadable. A typical lc meter is nothing but a wide range lc oscillator. If you want to build a low cost lcf esr meter then lcfesr meter by dr.
This paper is focused on design and development of a lcr meter using simple techniques that leads a low cost device at the beginner level. Each arduino capacitance meter relies on a property of resistor capacitor rc circuits the time constant. This waveform is affected by the lc circuit, filtered by the comparator chip, then read back out the other side by the arduino. Meauring current using arduino digital ammeter arduino. The lc meter is based on elmcie or elsie and other similar lc meters. You can use software to compensate for systemic errors and to format the results in pleasing ways. Pcb layout downloadable pdf files are provided at bottom of the page. It displays the resonance frequency together with the inductance. In this project, we will show the inductance and capacitance values along with the frequency over 16x2 lcd display. Description after finishing my last project simple lc meter, there were some discussions in the forum i am a member of, that ability to. Nevertheless, thanks for having a close look at my code. The environment is written in java and based on processing and other opensource software.
Copy the sketch code below in your arduino ide software to program. Circuit playground express is the newest and best circuit playground board, with support for circuitpython, makecode, and arduino. We are using timerone library for display scan time generation. Sep 21, 2017 in arduino lc meter project, we will show the inductance and capacitance values along with the frequency over lcd display. Well here we are going to build an inductance meter using the arduino microcontroller. I found the avr lc meter with frequency measurement project by kerry d. For instance, both can store energy even though it is stored as a magnetic field by the inductor whereas a capacitor stores electric charge. In this tutorial we will be hooking up a flow sensor to an arduino uno to measure liquid flow. Tds meter arduino, water quality monitoring project, tds in water declining water quality has become a global issue of concern as human populations grow, industrial and agricultural activities expand, and climate change threatens to cause major alterations to the hydrological cycle.
Swr wattmeter with arduino uno shield resource detail. This lcfrequency meter is one of my most recent projects. There is 1uh of inductance included on the schield which is placed in series with the coil to be measured. To use this meter with an lcd screen, connect the lcd to your arduino see how to set up an lcd display on an arduino if you need instructions. A push button is given in the circuit, to switch between capacitance and inductance display. Oct 08, 2016 membuat sendiri lc meter dengan arduino. It is a simple digital voltmeter, which can safely measure input dc voltages in 0 to 30v range.
Via arduino nano 33 iot and a php web application, check whether you have a particular book in your library before purchasing by using isbn. Saikat patra is passionate about electronics and mcu based embedded system applications shibendu mahata is m. That measured frequency fits easily in a long variable. It has a powerful processor, 10 neopixels, mini speaker, infrared receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors. First, we estimate the frequency by utilizing arduino and by using a few mathematical calculations we can determine the inductance or capacitance. Jul 23, 2011 so we start another open source simple tool project now, we are going to build a low cost and high performance lc meter, to measure the capacitance and inductance of the device under test. Jul 24, 2011 this waveform is affected by the lc circuit, filtered by the comparator chip, then read back out the other side by the arduino. The lcmeter can also measure ir remote control modulation frequency and frequency of the digital signal compatible with 5v cmos logic. The circuit of arduino vu meter is shown in figure 1 build around arduino uno mcu and lcd.
This means that the comparator will turn it into a square wave with a duty of 50%, and pulseinpin, high, 5000. In arduino lc meter project, we will show the inductance and capacitance values along with the frequency over 16x2 lcd display. Refer to the getting started page for installation instructions. In this section, the improvement and extension from 12 on hardware and software design of proposed power factor meter will be presented, including power factor improvement using capacitor banks.
The supported filter designs can be active opamp based, passive rc, rl, rlc, or both. How to make a inductance meter using arduino soldering mind. Then open your arduino nextion examplechoose one of them and add this line to your code softwareserial hmiserial10, 11. Diy lc meter with frequency measurement freetronics. Good for lighting leds, driving other circuits useless for reading sensors. This project is a simple lc meter based on pic16f682a mcu. Pdf development of power factor meter using arduino. In this post we are going to construct a digital ammeter using 16 x 2 lcd display and arduino. To make the schematics easier to follow there is a breakdown of how the devices are connected, pin to pin.
The arduino board can be powered from a standard 9v battery pack, as usual. Contribute to alpop arduino uno r3based lc meter development by creating an account on github. The time constant of an rc circuit is defined as the time it takes for the voltage across the capacitor to reach 63. Basically, in hardware section we all have to know how to interface arduino and lcd. I designed a code for inductance meter using arduino programming software. We named this new arduino lc meter goliath, its a simple tool for hobbyist for inductance and capacitance measurement. Full text of arduino digital lc meter internet archive. The proposed setup can measure ranging from 35hz to 1 mhz.
Perhaps the circuit is just too sensitive to upsets. The proposed digital ammeter can measure current ranging from 0 to 2 ampere absolute maximum with reasonable accuracy. How the voltmeter works each channel of the arduino voltmeter has a pair of resistors that form a voltage divider. Nextion lcd communicate with arduino uno arduino project hub. Yes great with a cheap rate we can build an inductance calculating meter.
The frequency counter works up to 2 or 3 mhz without a prescaler. It features could be further extended using a gps module which could provide a synchronized date and time, as. This sketch works because the arduino pins can be in one of two states, which are electrically very different. To measure inductance or capacitance the frequency of an oscillator is measured, and the changes are relative to the component being measured. Description after finishing my last project simple lc meter, there were some discussions in the forum i am a member of, that ability to measure electrolytic capacitors would be very useful in this type of device. When measuring an inductor or capacitor, the added inductance or capacitance changes the oscillators output frequency. This project is in a very early prototype stage and is at the moment only capable of measuring inductors. Created the same circuit on an uno shield but soldered and it wont work with the same sketch.
The opensource arduino software ide makes it easy to write code and upload it to the board. The good news is, you dont always need high accuracy. How to make an arduino capacitance meter circuit basics. I love hungarian rock since my school days, but i dont know a. Mar 19, 2018 the video, and the accompanying article, will also show you how to use a very common lcd keypad shield for the arduino uno. Its a shield for the arduino uno that lets you measure inductance. About swr wattmeter with arduino uno shield the resource is currently listed in in 2 categories. Its opensource, you can modify the code to reach your special needs.
May 15, 2012 if you want to build a low cost lcf esr meter then lcfesr meter by dr. Wong very helpful, it made me understand the concept behind the measurement. Using arduino ide software, a program is written for extracting no. Pin 11 will be used for the lcd, so wire the capacitance meter using pin 8 instead of pin 11. There are quite a few software packages and services to choose from. Yes, there are specialized lcr meters that let you measure inductance but they typically wont measure voltages or currents. The solution was a device to determine the pulse frequency emitted by the ecu against the rev counter. Inductors and capacitors are two types of components that have several things in common, yet they are very different. Check all the lm393 pins on both circuits similar readings. After finishing my last project simple lc meter, there were some discussions in the forum i am a member of, that ability to measure electrolytic capacitors would be very useful in this type of device. Because its based on arduino, so you can easily use the foca to update the new firmware. You are worried about the calculation for the value of the inductor. Dec 11, 2019 so i decided to make an inductance meter using arduino uno ic atmega328p. The schematic and arduino code based on similar project by.
As mentioned earlier, the b25 voltage sensor is an analog device as such, its output is connected to the analog pin of the arduino. Theres a plugin for wordpress called jsmath and if you write your formula in latex format they will be converted to images. Inductance meter on favorite atmega328ppu running 16 mhz. Four channel arduino lcd voltmeter starting electronics. So i decided to write this article on how to build an lc meter using an atmega328p chip and arduino libraries. The oscillator can resonate when you shortcircuit the test leads. I searched the web and found a very cute project named lcm3 on this hungarian site. So we start another open source simple tool project now, we are going to build a low cost and high performance lc meter, to measure the capacitance and inductance of the device under test. We already built frequency meter, capacitance meter and resistance meter using arduino.
May 27, 20 also see the arduino software voltmeter project for an arduino voltmeter that displays voltages on a pc instead of lcd. Arduino code is quite easy to use without the arduino boards. This time, were basing it around an arduino uno or equivalent module. The techniques are implemented on tina software along with the hardware implementations using arduino uno. The data pin of lcd is connected to digital pin of arduino as shown in circuit diagram. When we add to the resonant lc circuit, the coil in series to the coil or the capacitor parallel to the capacitor, then the resonant frequency will decrease. The schematics and the sketch is a compilation from various free sources one can find on the internet and the original circuit and code. All the the breadboard tests are made using the arduino uno. This meter is not very accurate compared with profesional ones but it does the job.
Just as long you have the sourcecode for your favourite language. Here is a useful circuit for arduino lovers and experimenters. Arduino rpm and speedometer for fast bikes or cars. This type of meter, especially l meter is hard to find in cheap commercial multimeters. Figure 3 shows the block diagram of the proposed power factor meter using arduino. How to make inductance meter using arduino youtube. The circuit consists of arduino which is the brain of the project, 16x2 lcd display, ic 7404 inverter and one potentiometer for adjusting contrast of lcd display. Arduino lc meter with frequency measurement read 34997 times previous topic.
The theory is based on the resonating frequency of an lc circuit. We will understand the methodology of measuring current using a shunt resistor and implement a design based on arduino. The other good news is that a lowcost microcontroller, such as the arduino uno, can measure frequencies via its builtin counters and timers. Tds meter arduino, water quality monitoring project, tds.
Low cost auto range l c f esr meter electronic project. The pushbutton, conditioned by the debouncer, is fed to an input pin on the arduino. So today we are going to make an inductance lc meter using arduino. Here is another piece of laboratory equipment lc meter. Arduino lc meter with frequency measurement arduino forum. That resulting signal is a square wave, which is an easy target for. This laser shooting game is a simple project with target charracters from star wars movie. How to make a inductance meter using arduino electronoobs. Soluiici2ctwi serial 2004 20x4 lcd module shield for arduino uno mega r3, white on blue lcd module for arduino 20 x 4, pcb board, white on blue 3. Its been around for a long time i remember reading dead souls by nikolai vasilievich gogol, and being amazed by chichikovs love of driving fast in a horse drawn carriage. Diy lc meter with frequency measurement once again kerry wong has published details of a useful arduino based project his lc meter with frequency measurement. The main purpose of this project is to highlight the difference between two micro controllers.
The inductance meter or lc meter does not get through a cheap rate. Opensource arduino lc meter prototyping itead studio. Its just a lc oscillator and the mcu is only used to measure the frequency and a bit of math. Many multimeters can measure capacitance c in piconano. Frequency counter with lcd display complete code arduino. Tech gold medallist in instrumentation and electronics engineering from jadavpur university. Opensource arduino lc meter prototyping itead studio make. The neat thing about this device is in how the push buttons are wired.
Using this method we are able to calculate inductance about 80uh to 15,000uh, but it should work for inductors a bit smaller or much larger. Now open the digital lc meter firmware sketch in the arduino ide, verify and compile. This type of flow sensor is designed to measure the volume of liquid traveling past a given point, a great way to keep tabs on how much water your drip irrigation system is using, or any other project were the flow of. This is another project for inductance meter, now based on famous arduino micro controller. This link is listed in our web site directory since thursday sep 26 20, and till today swr wattmeter with arduino uno shield has been followed for a total of 7295 times. Since our wave is a true sinusoidal wave, it spends equal time above zero volts and below zero volts.
821 1627 243 855 1038 475 1685 581 1078 616 1313 1360 69 169 744 760 22 102 37 1109 484 1325 1652 495 698 483 502 1059 571 952 164 743 45 1254 304 986 1151 109 918 1302 645 654 463 610 1271 51 108