The most basic things we measure are voltage and current. Multimeter demo, breadboarding an led circuit, resistor color codes. Jan 09, 2017 digital multimeters are indispensable tools that allow you to analyze circuits and diagnose problems in your electrical design. Since multimeters tend to show rms voltages, its easier to just refer to it as 120vac and remember that the peak postive and negative voltage are each 1. Ive looked long and hard for a good, lowcost multimeter and the vc830l is everything i need in a daytoday multimeter.
More and more makerspaces around the world are looking to add coding and electronics to their maker education programs. The multimeter is very simple, and wont replace your fluke meter, but it works perfectly for simple troubleshooting. A very simple breadboard power supply kit that takes power from any usb port and outputs a fuse protected and regulated 3. We know that each led uses 20ma you can measure using a multimeter or look at the datasheet, so the total amps of the circuit is 20ma 5. Arduino tutorial learn electronics and microcontrollers. How to use a multimeter beginners guide random nerd. For this tutorial we will be using the sparkfun vc830l. This is a manual ranging meter with the most basic features. Basic models are capable of measuring voltage, current, and. Mar 31, 2014 fluke 114117 kit multimeter for hackers, makers, and hobbyists. May 08, 2015 the digital multimeter dmm is an essential tool in every electronic enthusiasts arsenal. Do not let your ohm meter set on any of the resistance ranges when not in use or when in storage. Each kit includes a user manual, test leads, 2x aaa batteries, software cd, a temperature probe, and a. You can read your multimeters manual if you need to use these features.
This autoranging multimeter will test ac and dc voltage and current as well as capacitance, resistance, frequency and even temperature. Im getting power to the easy driver just fine led is turning on but as far as i can tell i cant get power to the motor always pretty easy to turn by hand, not making any sounds, not getting hot no signs of life. Multimeter probes needle tipped out of stock tol12078 these needle tipped multimeter probes are great for attaching to multimeters, power supplies, oscilloscopes, function generat. Arduino for beginners learn about arduino and the arduino uno and howyou can integrate this board into your makerspace and coding program. A multimeter is an instrument used to check for ac or dc voltages, resistance and continuity of electrical components, and small amounts of current in circuits. This is a handout that was developed using materials in our how to use a multimeter tutorial. This handout is developed to be printed out and used in a classroom. The multimeter is your first defense when troubleshooting a system. As current passes through the shunt resistor rs, a voltage is generated at the vout pin. How to use a multimeter history if you wanted to build a circuit prior to the 1960s, chances are you would have used a technique called wirewrap. Digital multimeter basic australia core electronics. The multimeter displays 0 ohms with the leads shorted together.
Documents pdf arduino and electronics arduinowarrior. Kirchoff voltage law, example 2 pdf multimeter tutorial at sparkfun. For example, a multimeter using a moving coil movement with fullscale deflection current of 50 microamps. Initially all test meters were analogue as digital technology was still many years into the future. We will be using the sparkfun vc830l throughout the tutorial but these methods should apply to most multimeters. If you did everything according to the datasheet recommendations, and it still does not work, get a multimeter and check the voltage on the three adxl330 output pins. All books are in clear copy here, and all files are secure so dont worry about it. This guide will teach you how measure continuity, resistance, and voltage with a.
A multimeter is a device that measures electrical voltage, current and resistance. The digital multimeter dmm is an essential tool in every electronic enthusiasts arsenal. The sparkfun digital multimeter, however, is not your average multimeter, it features a loud continuity sound, currentvoltage sense, and quality probes. If you do get it wet, open the case and let it set open until it is dry. Digital multimeter basic tol12966 the digital multimeter dmm is an essential tool in every electronic enthusiasts arsenal. Oct 17, 2017 a multimeter is an essential tool in any electronics lab. This tutorial will show you how to use a digital multimeter dmm, an indispensable tool that you can use to. Set a digital multimeter to diode test and an analogue multimeter to a low resistance range such as. When you place an order, we will ship as quickly as possible. Fluke 114117 kit multimeter for hackers, makers, and hobbyists. Digital multimeters are indispensable tools that allow you to analyze circuits and diagnose. It features a large, easily readable display for use in the field as well as the ability to connect to your computer for data logging, processing and analysis. This sketch shows how to use the sparkfun ina169 breakout board.
Arduino for beginners learn about arduino and the arduino uno and how you can integrate this board into your makerspace and coding program. The uses of multimeters include finding faulty components in electronic circuits, testing residential circuitry and looking for breaks in circuit cables. Digital multimeters are indispensable tools that allow you to analyze circuits and diagnose problems in your electrical design. A multimeter or a multitester, also known as a vom voltohmmilliammeter, is an electronic. The test meter or multimeter can trace its origins back to the invention of the galvanometer around 1820. Usb digital multimeter autoranging sparkfun tol12967 bc. Using a multimeter to test the voltage on a lipo battery. Dave comments on the sparkfunfluke multimeter customs trademarktrade dress fiasco, and shows off the new low cost fluke 114117 kit multimeter about to be released. Youve learned how to measure voltage, current and resistance, and how to check continuity. Aug 12, 2008 if you did everything according to the datasheet recommendations, and it still does not work, get a multimeter and check the voltage on the three adxl330 output pins. Test each pair of leads both ways six tests in total. Endowed with the key touching function instead of the traditional mechanical knobs, is a new type of 3 56 digital multimeter equipped with the lcd display device.
Sparkfun electronics 20 shawn hymel this code is public domain but you buy me a beer if you use t his and we meet someday beerware license. The sparkfun digital mult resistor kit 14w 500 total com10969 resistors are a good thing, in fact, theyre actually crucial in a lot of circuit designs. So if youve measuring a 12v battery, use the 20v setting. Power dissipation effects when measuring resistors designed for temperature measurements or other resistive devices with large temperature coefficients, be aware that the multimeter will dissipate. Help adxl330 accelerometer problem sparkfun electronics. In this beginners guide, weve shown you how to use a multimeter. Usb digital multimeter autoranging sparkfun tol12967. Multimeter wikipedia bahasa melayu, ensiklopedia bebas. Since not all multimeters have these features, we will not cover them in this tutorial. Introduction the dvm810 is a compact multimeter with a 3 12 digit lcd for measuring dc and ac voltages, dc currents, resistance, diodes and transistors hfe. Auto range multimeters have fewer options and are usually limited to v volts. Its for basic stamps but is still a good read even if you dont plan to use stamps. A few multimeters have illuminated displays for better viewing in low light situations.
Hey everyone, just got my stepper motor and easy driver in the mail, but i cant get the motor to power up. The baseemitter be junction should behave like a diode and conduct one way only. A multimeter can measure continuity, resistance, voltage and sometimes even current, capacitance, temperature, etc. In this tutorial we will cover measuring voltage, current, resistance and continuity. How to select a multimeter discusses the key considerations to select the right multimeter.
It is an ideal instrument for hobbyists, for use in the field, for laboratories and workshops and for domestic applications. You can use the multimeter to measure dc and ac voltage, dc current, resistance, continuity, and test diodes. Click here to view a pdf of troubleshooting pages from the lilypad sewable electronics kit. Be sure to read our how to use a multimeter tutorial to find out how to properly use a meter as if there was a standard way. Find the amp hour of the battery hint, its at the very beginning of the tutorial and plug all these numbers into the equation above. Turn off etc this can cause the battery in the meter to run down. Multimeters are a tool that we use to measure multiple characteristics of electronics. Simple instructions on how to use a digital multimeter our. The selection knob allows the user to set the multimeter to read different things such as milliamps. If you are still having trouble, you can use a multimeter to check for continuity or issues with your circuit.
Multimeter tutorial lots of useful information on digital multimeter usage. Display selection knob ports the display usually has four digits and the ability to display a negative sign. A multimeter a breadboard lets try a simple experiment just to prove that these things work the way were saying they do. You can also use a multimeter to test batteries and diodes. A digital multimeter dmm may look complicated and intimidating at first glance, but once you understand the display, dial, and port panel, youll have a better grasp of dmm basics.
Sparkfun electronics introduction to arduino educational material. Our how to use a multimeter tutorial will help you get started. Be sure you click on the individual links under what you will learn headings. This instrument will let you check to see if there is. Wire wrap is a process that involves wrapping wires around conductive posts attached to a perfboard a. Galvanometers were large instruments that gave a deflection when a current passed through its coil. Dave comments on the sparkfun fluke multimeter customs trademarktrade dress fiasco, and shows off the new low cost fluke 114117 kit multimeter about to be released. This is the original sparkfun tutorial system, used for years for singlepage tutorials and a lot of other things like projects, teardowns, and buying guides. Do not let your multimeter get wet and never store it in a damp place. Make interactive makerspace projects while learning to code and problem solve. For example, 2v measures voltages up to 2 volts, and 20v measures voltages up to 20 volts.
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