Read the amperage draw your AC motor requires, if it's operating according to the manufacturer's specification. The amperes are on the label on the AC motor. Step 2 Set your multimeter to measure amperes. Set it to the correct ampere range for the AC motor you're checking. For example,...
Read the data sheet for the microcontroller you've chosen, and find out what external circuitry you'll need to run it. You'll need a breadboard to prototype circuits on, components for the power supply circuit, a programming cable, and potentially an EEPROM memory chip for program storage. ...
adjust the dial on the multimeter to measure voltage (AC or DC). Then touch the red positive probe on the multimeter to the positive terminal on the power source and the black negative probe on the multimeter to the negative terminal on the power source. If you were measuring a car batter...
How Do You Check Voltage With a Multimeter? A multimeter is an instrument that can measure voltage, current, resistance and possibly additional parameters. You can also use it to check continuity of cables and check fuses. If you don't know how to use one, read my guide How to Use a ...
How to Read Schematics An introduction to reading electrical schematics Define your purpose for reading a schematic. For example, if you're trying to understand why the AAA batteries no longer power your DVD player's remote control after you lost the battery cover (i.e. it happened to me),...
Current = 0.1A = 100mA Now that you have an approximate value of the current, connect the lead to the regular mA port and set the rotary switch of the multimeter to 200mA. In practice, though, it is quicker to start with a higher value on the multimeter rotary dial and move to lowe...
Set the ohmmeter to measure resistance in the 20 K ohm range; "K" stands for kilo, which means thousand. If you have a multimeter, turn its dial to the 20 K ohm scale, and insert its red lead in the common jack and its black lead in the jack marked with the ohm symbol. ...
How to use a digital multimeter or DMM to measure voltage. Here we demonstrate how to use both an older analog VOM (Volt-Ohm Meter) and how to use use a DMM (Digital Multi-Meter) to measure voltage levels in building electrical wiring and electrical service. We using several different typ...
You might not have enough amperage to run your water heater (a water heater needs at least 12 Amp and if you are on a 30 Amp circuit and run your AC at the same time, you might be bumping into maxing out). Use a multimeter to find out whether that is an issue. Make sure your ...
Use a multimeter and set it to read amperes. Put the metal prong on the end of the black wire that extends from the multimeter onto the negative battery terminal. The negative battery terminal has a black cable attached to it and is labeled "Neg." Put the metal prong on the end of th...