Phone Power Supply

This bristlebot will run without batteries. It works with super capacitor that you charge with your power supply for about 1 minute and the bot will run 2-3minutes. Video: . Make sure you follow me for more awesome videos from the macobt projects.

Hello, Null Byte! Mkilic here. I doubt anyone knows I even exist on Null Byte, so hopefully this post will allow me to become more involved in the community and also help me learn even more. This project is somewhat similar to OTW's article here, and pry0cc's here, in which b ...more

The $35 Raspberry Pi is an amazingly useful single-board computer (SBC) with a good balance of price, performance, and connectivity options. But for some projects, it just isn't enough. Whether you need more computing power, a smaller size, or better machine-learning capabilit ...more

Dig this. 40% of the energy consumed in your home is from appliances that are allegedly 'off'. That cellular power supply charger...that 'sleeping' computer...that appliance that has a remote control. All guilty. You may be motivated by being green. Me. I am motivated by sa ...more

Apple got rid of the iPhone's home button and assigned its long-press action (Siri) to the power button. Since it now did more than sleep and wake the screen and bring up the power off dialog, they renamed it the "Side button." Well, Samsung just removed the Bixby key, and the ...more

Bluetooth Low Energy (BLE) is the de facto wireless protocol choice by many wearables developers, and much of the emerging internet of things (IoT) market. Thanks to it's near ubiquity in modern smartphones, tablets, and computers, BLE represents a large and frequently insecur ...more

Most of us have traded our desktop systems for laptops, tablets, and mobile devices, meaning there's a lot of outdated hardware sitting in attics. Want to give your old computer a new purpose? Matthew Chappee turned his iMac G4 into an HDTV using the guide by Dremel Junkie. On ...more

One of the most common complaints that people have about the Nexus 4 would have to be its intermittently poor Wi-Fi performance, a problem that for many, persists through the installation of updates and even custom ROMs. Many of us have experienced poor video streaming, slow ...more

One of the more talked-about features of Google's new flagship device is the fact that all of the data on the Nexus 6 is encrypted by default. At face value, this certainly seems like an added bonus for the 6-inch phablet, especially in this day and age with growing security c ...more

It's been proven over and over that you can make batteries out of fruits and vegetables such as lemons, potatoes, and even apples. Turns out, passion fruit is also acidic enough to power a battery, but Maui Makers member Ryan K decided to take it a step further by adding a las ...more

UPDATE: It was previously reported that the OnePlus 3T 128 GB in Gunmetal would be discontinued. GSM Arena received an official rebuttal from the company which noted that the phone is not discontinued, but rather, out of stock. Though, it seems like the company has more of a p ...more

Since the emergence of GoPro, the company's cameras have been been on a steady incline for the past several years. Adventure enthusiasts had difficulty recording their extreme activities without a huge price tag before the GoPro came along in 2002. Now, every surfer, skateboa ...more

Believe it or not, an ammo box can still be of use to you once its rounds are gone. You can use it for storage, as a toolbox, or possibly even as a Faraday cage. But if you want to use it as more than just a container, why not turn it into a portable set of speakers that you c ...more

In the past few weeks, you've already learned how to make your bike light up at night with some DIY rim lights and handlebar lights. But how about something a little more functional? Instead of using those tedious hand signals (which drivers don't even understand), spruce up y ...more

The high limit thermostat can be found in gas and electric dryers and serves as a safety feature that helps to prevent the dryer from becoming too hot when it’s running. The thermostat is designed to shut off power to the dryer’s heater when the dryer vent is blocked or clogge ...more

There are a number of options and hidden menus within Android that provide users more control over their device. With this control, you can better manage how your phone operates. We came up with a list of tips and shortcuts that, when used, will slowly put you on a path to bec ...more

If you are among those lucky ones who got a chance to pickup the Yu Yureka from Amazon and looking for a detailed guide on how to root your yureka, then I doubt that there is any better place than this. You might have visited some XDA threads for the same but those are general ...more

The Moto G7 Power is a phone that screams battery life. From its display resolution to the massive battery, it was designed for those who hate to recharge each night. But unlike other battery-focused smartphones, it comes at a price almost anyone can afford. Lenovo, Motorola' ...more

My phablet has incredible battery life, but that doesn't mean I wouldn't like it to last even longer. Unlike the Samsung Galaxy S5, the Note 3 does not come equipped with Ultra Power Saving Mode, which can keep the phone running for another 24 hours with only 10% power remaini ...more

The Xposed Framework is an incredibly powerful tool. But because of this power, there's a chance that something could go wrong when installing a broken or incompatible module, which can cause bootloops or even soft-brick your phone. Depending on how bad the situation is, the ...more

Although there has been much speculation about how much damage could be done if hackers were to take control of a country's SCADA systems, there have been few examples - until a few months ago, with the power outage in Ukraine caused by hackers. How? The attackers used a wid ...more

If you've ever tinkered with a phone, you're familiar with booting into recovery mode. You're probably used to using a combination of hardware buttons to get into recovery, which usually includes the power button and one of the volume buttons. The thing is, you don't really ne ...more

It appears there are endless things you can do with Coke. The Nokia Coke-powered phone is not in production, but certainly an interesting idea. Designed by Daizi Zheng, the Coke phone is an eco-friendly solution to charging your cell. Zheng's proposition: This is a client p ...more

The first alarm clock in recorded history can be traced back to ancient Greek philosopher Plato, known for laying the foundations of Western philosophy and science. Plato was said to possess a very large water clock with an alarm signal similar to that of a water organ. Water ...more

Remember the 1960's American television series Batman, with Adam West as Bruce Wayne? It was waaaaay before my time. The caped crusader that I'm more familiar with is actually this one... When I first heard of Adam West, it was him doing the Batusi on The Simpsons. I had no id ...more

Microsoft has the HoloLens and Google has their money on Magic Leap (as well as their own Tango and Cardboard, among others), but we've heard next to nothing about how Apple plans to enter the virtual/augmented/mixed reality space. A new patent offers some clues. Apple could ...more

The Files app received a big update in iOS 13. Before, it was limited to local and cloud-based files, but now you can access data from external storage devices, including SD cards and USB drives. But before you try to connect your favorite card or drive to your iPhone, there a ...more

With voice commands becoming conventional on most new smartphones, it's only ideal that their abilities increase as well. Thanks to Apple's Siri, you can do things like update your Twitter account and look up who the president of Costa Rica is. Siri has strongly commandeered ...more

The OnePlus 5 had been in the hands of the public for a meager twenty hours before developers on XDA released a custom recovery image for it, and the 5T had a similar trajectory. The installation process is simple enough, but it can be somewhat confusing if you're new to moddi ...more

Speakers have been an integral part of smartphones since the beginning. Razer's concept Project Linda even uses the speakers from the Razer Phone to power the faux laptop's audio system. But what if Google's next Pixel phone didn't even have speakers? What if it didn't need th ...more

Microcontrollers like ESP8266-based boards have built-in Wi-Fi, and that's really cool, but what's even cooler is that certain pro models of the D1 Mini also have a port where you can connect a directional antenna. This can give you exceptional range, but if you were to just p ...more

Samsung devices have two pre-boot menus that every Galaxy owner should know about: recovery mode and download mode. The recovery screen allows users to wipe cache files or perform a factory reset, which can help save the phone from a soft brick. Download mode, on the other han ...more

Let's say you got a little careless while installing apps from unknown sources, and now your Android device has been infected by malware. Or perhaps your friend has come to you for help after they had haphazardly installed random apps until their phone was filled with popups a ...more

If you don't smoke, your car's ashtray is probably either unused or, if you're like me, full of loose change. And if your car is older, unless you've installed one, it probably doesn't have a place for you to plug in your phone. This quick hack by Jalopnik's Jason Torchinsky w ...more

Since its creation, Arduino has been growing exponentially more popular as DIY enthusiasts and Makers alike realize its potential. As new versions of the device are released, many easy-to-use peripherals are showing up on the market also. One of the more important features of ...more

Everybody loves the stars. Well, I certainly do. As a child I'd spend hours outside during summer nights marveling at the seemingly endless amount of sparkling dots spanning the sky. Maybe you have children of your own and want to create a sparkle in their eyes, or in your own ...more

The advantages of rooting have been covered before, and with rooting comes flashing ROMs and mods to your device. The easiest method for flashing anything is to do it through recovery. Recovery is the bootable portion of the phone's system that allows data wipes and system up ...more

If you want to get started sniffing Wi-Fi networks, you usually need to start with a wireless network adapter. But thanks to a Wi-Fi sniffing library written in Arduino and the ultra-cheap ESP8266 chip, you might not need one. For less than $10 in electronics, you can build a ...more

The OnePlus 3 and 3T are two of the most modder-friendly devices to be released in 2016. Not only that, but they're both extremely solid phones which happen to sport a very reasonable price tag. Among the things that make these devices such a joy for tinkerers is the fact that ...more

Straight out of the box, the Nexus 5 is an awesome device, but even it can be faster with better battery life. Luckily, one of the things that makes it so awesome is that there are tons of developers creating mods for it, since it runs stock Android by default. When it comes t ...more

The front-facing stereo speakers on the Nexus 6 certainly pump out some awesome sound—but it could always be better, right? Audiophiles will be happy to know that the team at Viper Audio has recently released a Nexus 6 Lollipop-compatible version of their popular sound qualit ...more

At $349 off contract, the Nexus 5 has always been one of the best bang-for-your-buck smartphones on the market. In order to keep the price that low, however, Google had to pass up on some of the minor features that other flagship phones offer. Stereo sound, for instance, is b ...more

Video: . Project Overview Have any old school floppy drives lying around? Get hacking... and transform them into an electronic orchestra! This project uses a myRIO embedded controller and four floppy disk drives. The myRIO effectively plays the disk drives like musical instru ...more

Android "Lollipop" introduced a ton of cool new functionality. Unfortunately, the Nexus 5 didn't get all of these features, as some were exclusive to other devices. For example, the Ambient Display function on the Nexus 6 that shows new notifications as they come in with a bla ...more

Whether you're using your phone's map to navigate or entrusting your passenger with the responsibilities of the mobile DJ, your phone needs a secure place in your car. And if it could charge while it's there, that's great too. The Naztech Smart Grip Wireless Charging Car Mount ...more

Most of you probably heard about Rasberry Pi and if you haven't; what is wrong with you? But nothing less a Rasberry Pi is a computer a very small computer. Despite these size limitations, the Rasberry Pi is to not be underestimated. Not only can it do anything like a normal l ...more

Over the past month, we've spent significant time covering Samsung's Oreo Beta program, and the detailed list of features in Oreo is extensive for the Galaxy S8 and S8+. Many of you were upset when the Galaxy Note 8 was left out of the official Oreo beta program entirely, but ...more

This video will show you how to set power saving mode in Samsung Galaxy S5 phone. Power saving mode will save or extend your battery life. So power saving mode will prevent unnecessary data usage. This mode will reduce screen brightness or turning off vibration and that will s ...more

The international, Exynos-powered Galaxy S7 and S7 edge have had a working root method ever since a few days after release. But the North American variants—those using Qualcomm's Snapdragon 820 processor—have locked bootloaders, and have proven to be almost unrootable up until ...more

Mobile gaming has exploded in recent years, with experts predicting 2.4 billion global mobile players by the end of 2019. It already accounts for 47% of the worldwide gaming market, besting console and PC. No wonder we've seen the rise of gaming smartphones, a class of phones ...more

The Pixel 3a runs smoothly out of the box already, but installing a custom kernel can supercharge your experience even more. From fine-tuned CPU tweaks for boosting performance or battery life to adjusting the display colors for your screen how you want, ElementalX kernel can ...more

If you just got a new iPhone, chances are you picked up the iPhone 11, successor to the iPhone XR, the most popular device in Apple's 2018 series. Since the XR did so well, it was predicted that the iPhone 11 would too, and so far, it has lived up to that prediction, beating t ...more

The first thing you'll always have to do before getting your customization game on with most phones is to unlock the bootloader. Doing so opens the true potential of the device, allowing you to root, install TWRP, Magisk, custom ROMs, and other mods. No matter your wants or ne ...more

Recovery mode and download mode are useful for modding and they can come in handy in a pinch. Booting into recovery mode to do a factory reset or wipe cache fan save your Galaxy S20 from a soft brick, and entering download mode lets you install firmware with utilities like Odi ...more

With Nexus devices already enjoying Android 5.0 Lollipop, most other manufacturers are scrambling to get their flagships updated to Google's latest operating system. While HTC has promised Lollipop by the end of 2015, OEMs such as Motorola and Sony have already issued updates ...more

Most Android devices allow you to simply replace a ZIP file in your /system/media folder if you want to change your boot animation. Unfortunately, though, this isn't the case for the Galaxy S5, as it's been buried deep in Samsung's TouchWiz skin. Previously, the process of ch ...more

HTC claims to have improved the One M8's battery life by 40% over its predecessor, but there is always room for improvement. Our phones are pretty much glued to the front of our faces, whether we're drafting important emails or killing time on YouTube, and a rapidly draining ...more

The Android 4.4.2 KitKat update is available via firmware upgrade for the international GT-N7100 variant of the Samsung Galaxy Note 2, about a month after we saw its first leak. The update is available via Kies in France, with and OTA update soon to follow. Details courtesy of ...more

Wireless charging is pretty much ubiquitous among modern iPhones and Android smartphones, but the technology has brought a lot of clutter with it. If you desire the convenience of wireless charging, you've guaranteed that a charging pad or dock will be ever-present on your en ...more

We've all been there. Your phone's either dead or barely hanging on with a few minutes of life left, and you only have a small window of time to charge it before you need to head out. Sure, you can charge it for the few minutes you have, but what's the point if your device is ...more