Ellis Gibson (B.Sc. in Mechanical Engineering)

We all know how hot it can get during summer, and sometimes AC just isn’t enough. If you don’t want to spend money on a portable fan, you can make your own using a computer fan and a battery. This project is easy to do and only takes a few minutes. Plus, you can take … Read more

Arduino uno can be powered with a 12v battery supply. You will need to connect the positive lead of the battery to the Arduino’s Vin pin and the negative lead of the battery to one of the Arduino’s GND pins. So, how to power arduino with 12v battery? To connect a 12v battery to an … Read more

Yes, it is possible to light an led bulb with an AA battery. You will need to connect the positive lead of the battery to the positive lead of the led bulb, and the negative lead of the battery to the negative lead of the led bulb. Once the connection is made, the led bulb … Read more

We’ve all been there. You’re in the middle of a power outage, and you need to find a way to power your lights. You could use candles, but that’s a fire hazard. You could use a flashlight, but that will only last for so long. And then it dawns on you – you could use … Read more

If you are like me, you love your Arduino Nano, but you hate having to plug it into a power outlet every time you want to use it. Well, I have some good news for you! You can power your Arduino Nano with a battery! In this article, I will show you how to do … Read more

If you are anything like me, then you are constantly searching for a flashlight. Whether you are looking for something to help you find your way in the dark or you need a light to help you see in a power outage, a flashlight is a necessity. But what happens when you can’t find batteries … Read more

If you’re anything like me, you’ve probably stared at your battery charger amp meter a few times, wondering what all those numbers mean. Don’t worry, you’re not alone. In this article, we’ll go over what those numbers on your battery charger amp meter mean, and how you can use them to your advantage. By the … Read more

If you have a dewalt 14.4 v battery pack that needs to be rebuilt, this article will show you how. This process is not difficult, but it does require some time and patience. With a little bit of effort, you can have your battery pack working like new again. So, how to rebuild a dewalt … Read more

Do you have a cordless drill that is not working as well as it used to? If so, you may be able to rebuild the battery pack for around $20. Or, you could try to repair it for $0. I used to have a cordless drill that I loved. It was so handy to have … Read more

Do you have a dewalt 18v battery pack that needs rebuilding? If so, this article will show you how to do it. You will need a new battery pack, a screwdriver, and a drill. With these tools, you will be able to rebuild your dewalt 18v battery pack easily. So, how to rebuild dewalt 18v … Read more