You may already know that you can build a functional circuit on a sheet of paper with the graphite from a pencil, but you'd probably never think of using it to fix an electronic device. This same principle can be used to bring back a bricked phone, but can also repair a damage ...more
In this soldering tip video brought to you by BEST, Inc. Bob Wettermann demonstrates how to repair damages that have occurred to the based printed circuit board laminate materials as well as to PCB corners.
Have a damaged trace on a PCB? Then see how to repair it.
Step by step guide to repairing circuit boards Yes, I know, my hands are shaky. I didn't say it in the video, but the epoxy doesn't have to be Super Glue brand. There are several different brands of 2 part plastic bonder epoxy. Any of them will do. Of course make sure the pow ...more
Need a quick repair job for your HP iPAQ Classic Handheld Pocket PC 110, 111, 112, 114, or 116? Well, this video tutorial will show you how to disassemble the phone after it's been damaged. You'll see exactly how to take it apart, then simply reverse the instructions to put th ...more
These instructions are applicable to both bObsweep models. Follow the video or text descriptions to replace the disinfecting UV lamp on your automatic vacuum. This walk through includes: opening bObsweep, removing the main board, replacing the UV lamp, and putting Bob back to ...more
In this soldering tip video brought to you by BEST, Inc. Bob Wettermann demonstrates the repair of plated through-hole printed circuit boards.
Learn how to solder. Whether you like to tinker with electronics or do your own plumbing repairs, soldering metal is an essential skill. Plus, it's kinda fun. You Will Need * A soldering iron * A soldering tip * Safety glasses * Solder * Flux * Soldering clamps ...more
Is your motherboard toast? If your logic board has burned out, it's a sad thing, but you're going to have to replace it. See how to remove the logic board from the Power Mac desktop computer. PowerBook Medic is the ultimate resource for Mac computers and electronics repair. T ...more
In this tutorial, we learn how to solder with a soldering iron. You will need: tinning pads, desoldering braid, and an adding component. Start off by heating the copper, before you add the wire. You need for the acid to flow from the core onto the copper to create a surface th ...more
WonderHowTo is a how-to website made up of niche communities called Worlds, with topics ranging from Minecraft to science experiments to Scrabble and everything in-between. Check in every Wednesday evening for a roundup of user-run activities and how-to projects from the most ...more
It's no secret that water and electronics don't mix well, but somehow, people always manage to combine the two. I've had my fair share of water-damaged electronics, everything from cheap headphones to a desktop computer. My devices are getting dunked in water so much, it's lik ...more
In this article, I'll show you how to built a Wireless Transfer of Energy Transmitter. Simply put, this device will send electricity to a florescent light bulb and light it up, from up to three feet. The idea originally (at least, prominently) came from Nikola Tesla (read more ...more
Microcontrollers are great. You can do anything from water your garden to catch wildlife trash diggers in the act—and on the cheap. I prefer to use the Arduino microcontroller because of the large and helpful community built around the website. Though it is my favorite, there ...more
Homemade circuits are amazing. You can build any kind of circuit on a simple perfboard, as we have seen in previous projects. However, some projects require very tiny circuit boards. We could special order some boards from a printed circuit board (PCB) factory, but that will m ...more
Computer viruses are terrifying. They are undetectable, dangerous, and operate constantly right under your nose. For the average computer user, there are only a few repair options. You could buy expensive antivirus software that causes more problems than it fixes, you can wipe ...more
Need a quick repair job for your HP iPAQ Pocket PC RX3100, 3115, 3400, 3415, 3417, 3700, or 3715? Well, this video tutorial will show you how to disassemble the phone after it's been damaged. You'll see exactly how to take it apart, then simply reverse the instructions to put ...more
Need a quick repair job for your HP iPAQ Pocket PC H4150 or H4155? Well, this video tutorial will show you how to disassemble the phone after it's been damaged. You'll see exactly how to take it apart, then simply reverse the instructions to put the HP iPAQ H4150 or H4155 back ...more
A step-by-step guide to replacing the side brush motor on bObsweep Standard or Pethair. Follow the video or multimedia directions in order to open up bObsweep, remove the main board, replace the side brush motor, then close your vacuum for future use. Video: . This repair requ ...more
You must have seen some expensive mp3 players and CD players which have LEDs fixed on them and they dance to the tune looking really pretty. Imagine you could make your own LEDs and configure them to dance to Daft Punk or Swedish House Mafia. I’m going to tell you how it can ...more
The guide will walk you through a power switch replacement on a bObsweep Standard or Pethair. It includes: Opening and closing bObsweep Removing and re-installing the battery Removing the main board and power switch Video: . The instructions for this repair are the same for b ...more
bObi has four floor detection sensors on her underside that warn her not to drive over ledges and stop her from falling down stairs. For this replacement, you will need a Phillips head screwdriver and a new set of ground sensors for bObi. Video: . This repair may help if bObi ...more
Both bObsweep Standard and Pethair models have two bumper sensors inside their covers. Whenever Bob runs into an obstacle, the sensors tell Bob to back away. If bObsweep does not change direction after bumping into something, the following guide may help you fix this. Video: ...more
A deck of cards may be a magician's best way to demonstrate his or her's sleight of hand, but for the prankster, it's the perfect way to deliver a shocking 300 volts of electricity! And that's exactly what I'm going to show you how to do today. Stuart Edge used it in his "Elec ...more
Last time, I showed how to start putting together an AC arc welder from scavenged microwave parts, focusing on the transformer modifications. Now, I'll show you how to finish up your DIY stick welding machine by fixing up the electrical system and performing the finishing touc ...more
I love robots. They have the potential to evolve into Asimovian destroyers of the human species, but have only just mastered the art of cleaning my rug. They have an ever increasing cool factor and a growing number of cheap and simple components that let the hobby roboticist r ...more
The bumper for bObsweep Pethair and Standard are installed the same way. It holds the sensors that allow Bob to see any obstacles in his path. If a repair of the wall detection sensors is needed, the steps for replacing the whole bumper are the same when working on either bObs ...more
War leaves a lot of stuff behind. Torn families, delegitimized institutions, mass graves, and unexploded ordinances litter the post occupation landscape. Whether or not you have driven the imperialist out, or are still in the phase of armed resistance, you will need the abilit ...more
Back in 2007, YouTube user HouseholdHacker posted a parody video on how to make a high-def speaker for under a buck. MythBusters took on the challenge and busted it. Although that particular method doesn't seem to work, that doesn't mean you can't make your own speaker for le ...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
Fireworks are the best part about the Fourth of July and other celebrations, but they can easily cause accidental injuries. It's both safer and more fun to set them off remotely, so we'll hack some standard fireworks with nichrome wire, a relay, and an Arduino to ignite remote ...more
Hackers and makers are often grouped under the same label. While hackers draw on computer science skills to write programs and find bugs, makers use electrical engineering to create hardware prototypes from microprocessor boards like the Arduino. We'll exercise both sets of sk ...more