One of the simplest tasks a digital multimeter can perform is a basic voltage test on a car battery. Positive and negative terminals, hooked up to the car or not, will give a base number. The expected ...

While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to ...

Once reconnected, you are finished. That’s all there is to it! Now that you have learned how to charge your car battery, you may consider using a multimeter to test the battery in the future. A ...

If you don’t see any coolant in the reservoir, or at the top of the radiator, add coolant to your system and run the vehicle up to normal operating temperature. Retry t ...

You can check the condition of your car’s battery with a battery tester. If you don’t have a battery tester, use a multimeter to check your battery’s voltage and estimate its condition.

Why an auto-off feature wasn’t the first thing ... NPN transistor that can cut off the ground path between the multimeter and its battery. A tactile switch is connected to one of the external ...

If you were to ask a random Hackaday reader what their most fundamental piece of electronic test ... multimeter voltage, current, and resistance ranges, plus a transistor tester, a battery tester ...

There are many ways to test your bike's battery, and they don't involve going to the auto repair shop around the corner. Instead, with the right set of tools, you can run a comprehensive test on your ...

A multimeter is an essential piece of equipment when you’re doing work on your car’s electrics. It’ll measure electrical values, which allows you to check a battery’s state, or keep an eye ...

Getting you on your way after your car has suffered a flat battery remains at the heart of the test, so we timed how long each unit took to reach an 80 per cent charge – at which point a vehicle ...