PSU Cooling A very important component of most PSUs is the fan that handles cooling. However, there are some passive PSUs that don’t utilize any active cooling. Fans keep sensitive components (like electrolytic caps) at appropriate temperatures. How do I … Continue reading →

Use an LED with known polarity to check the polarity of the battery. Or you can use another battery and a small simple light bulb to check the polarity. Just connect everything in series. Check the brightness of bulb. How … Continue reading →

If you’re from America travelling to England then you will need to bring a plug adapter to fit a US plug in a British power outlet. Because the voltage is different in England use a power converter if your device … Continue reading →

Batteries produce electricity The metal that frees more electrons develops a positive charge, and the other metal develops a negative charge. If an electrical conductor, or wire, connects one end of the battery to the other, electrons flow through the … Continue reading →

Overview. ViVi only works with 5V and will be damaged if 12V is attached to it or the LED strips it is controlling. Can a 5V LED strip run on 12V? When you search for LED strip lights, you will … Continue reading →

How to transfer data from your old iPhone to a new one with iCloud Connect your old iPhone to Wi-Fi. Open the Settings app. Tap [your name] > iCloud. Select iCloud Backup. Tap Back Up Now. Wait until the backup … Continue reading →

Step 1: The Washing Machine Motor It is often referred to as an AC series motor. The universal motor is very similar to a DC series motor in construction but is modified slightly to allow the motor to operate properly … Continue reading →

Try charging your laptop with the laptop powered off. Sometimes the charger will charge the laptop when it is powered completely off, but not when it is on. If it only charges the battery when the laptop is off, then … Continue reading →

If it is not marked on the motor you can test by applying a low voltage and observing which way the motor runs, or by turning the motor manually and using a multimeter to find the polarity of the voltage … Continue reading →

What voltage is required to charge it? A: A 12V car battery can be safely charged over a range of voltages. It needs at least 12.9 volts to charge, but at this voltage the charge rate of an automobile battery … Continue reading →

To reverse rotation on a single phase capacitor start motor, you will need to reverse the polarity of the starter winding. This will cause the magnetic field to change directions, and the motor will follow. In order to achieve this, … Continue reading →

Here are 7 ways to know if you need a new power supply: Age. Programs crash without corresponding software issues. You experience random blue screen crashes. You hear unknown PC case noises. Fans turn on but nothing else. GPU-intensive programs … Continue reading →

Well yes they do run them with no alternators and charge in the pits. I myself only have a few electrical components to run. Do you need a alternator for a 16 volt battery? The bottom line is you do … Continue reading →

Using Windows Type “Device Manager” in the taskbar’s search box. In the Device Manager, click on the “Universal Serial Bus controllers” section to unfold it. Right-click one of the entries named “USB Root Hub” the or “Generic USB Hub” and … Continue reading →

The solar car battery trickle charger mounts easily to the windshield or dashboard and it is conveniently plugs into your car’s 12 volt cigarette lighter! Can you use a trickle charge through cigarette lighter? Yes, it is possible to charge … Continue reading →