Category: Videos

Welcome back to the bench! In today’s video, we dive into a rather intriguing repair job involving an Amazon special studio light. Our host highlights the light’s impressive brightness and its features, such as adjustable color temperature and brightness controls. However, a malfunction has occurred: the USB-C charging cable has melted into the device, causing a trip in the protection circuit of the wall charger. Thankfully, the charger was a reputable brand, equipped with safety features that prevented further damage.

An Unexpected Issue with the Charging Cable

The speaker shares a cautionary tale about the low-quality charging cable that contributed to the incident. Despite its frequent use, the cable’s durability proved to be inadequate, leading to its unfortunate melting. The speaker points out the potential pitfalls of opting for cheaper accessories, especially when it comes to technology that requires reliable charging. As they prepare for the repair, they contemplate various solutions, including the possibility of soldering a new USB-C connector or hardwiring the cable directly into the device.

Dismantling the Studio Light

The repair process begins with the speaker attempting to open the studio light. Without visible screws, they suspect the lens may be glued on, indicating that the device isn’t designed for easy servicing. Upon gaining access, they discover sizable lithium batteries, each rated at 2,000 milliamp hours, and express surprise at the relatively short battery life—less than an hour on full brightness. Marking the terminals for later reference, they note the clever design choice of sharing connections between the light and the battery.

Rescuing the Circuit Board

As the repair progresses, the speaker encounters a significant challenge: the melted USB-C connector is fused to the circuit board. Using a Dremel tool, they carefully separate the circuit board from the housing to assess the damage. Miraculously, the connector slides out without catastrophic loss, although a small trace does come off with it. Testing another inexpensive cable reveals it doesn’t work, prompting a search through stock for an appropriate replacement.

Final Touches and Success

With some ingenuity and a bit of soldering, the host manages to repair a broken trace on the board that connects to the power button. Their persistence pays off when the device begins charging again, saving the studio light from the brink of uselessness. With the light restored to functionality, the speaker expresses satisfaction at being able to continue using it to brighten their workspace.

The experience serves as a reminder of the potential risks associated with low-quality cables and the importance of choosing reliable products. As always, the speaker encourages viewers to subscribe for more engaging repair content in the future. Until next time!

Let's fix this rechargeable Studio Light with a melted USB C cable stuck to it.

Watch on YouTube: Someone Melted The USB-C Port Into This Device

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In this engaging tutorial, the creator walks viewers through the process of setting up DMR hotspots using a Raspberry Pi Zero 2 W. The video begins with a brief introduction to the speaker’s existing setup, which includes a Raspberry Pi 3B and an MMDVM hotspot hat. However, the speaker reveals that they want to streamline their setup and utilize the more compact Raspberry Pi Zero 2 W instead. This decision not only optimizes the use of the Raspberry Pi 3B but also provides an opportunity to share the setup process with viewers interested in building their own hotspots.

Choosing the Right Components

The speaker emphasizes the versatility of DMR hotspots, highlighting that they can support various digital modes like DMR, D-Star, YSF, and NXDN simultaneously. This capability opens up a world of possibilities for users, allowing for seamless communication across different networks. The video showcases two setups: one with a Nexion screen for a more advanced interface and another using a basic OLED screen that is more affordable and portable, making it ideal for on-the-go use.

3D Printing and Assembly

As part of the setup, the speaker also demonstrates the process of 3D printing custom cases for both hotspot configurations. Using a metallic PETG filament, they 3D print a case that accommodates the components neatly, enhancing both functionality and aesthetics. Viewers learn how to melt nuts into the printed case for secure mounting of the components, showcasing a practical approach to DIY electronics. The discussion also includes tips on soldering connections and ensuring proper assembly for the components to function effectively.

Software Installation and Configuration

Once the hardware is assembled, the video transitions to software installation, where the speaker guides viewers through formatting SD cards and installing the Pi-Star software. Using tools like SD Card Formatter and Balena Etcher, they emphasize the importance of downloading the correct software version for Raspberry Pi. The video explains how to set up Wi-Fi connectivity, ensuring a smooth transition from hardware to operational status. The step-by-step approach demystifies the process, making it accessible even for beginners.

Final Touches and Testing

After completing the setup, the speaker demonstrates how to access the Pi-Star web interface for configuration. They detail essential settings such as DMR mode, frequency, and user information, ensuring everything is correctly configured for optimal performance. With the system up and running, viewers witness a live demonstration of the hotspot in action, illustrating how to communicate over various talk groups. The excitement is palpable as the speaker engages in real-time conversations, showcasing the functionality of the DMR setup.

In conclusion, this video serves as an invaluable resource for amateur radio enthusiasts looking to create their own DMR hotspots. From selecting the right components and assembling them to configuring software and testing connectivity, the speaker provides comprehensive guidance throughout the process. As the video wraps up, viewers are encouraged to subscribe for more tutorials and share their experiences, fostering a community of learning and collaboration in the world of amateur radio.

Lets update my DMR hot spot with a new Pi Zero 2 board and a 3d printed case, and while I'm at it I'll show you how to set up the most common basic MMDVM hotspot that people buy online with the OLED display.

Watch on YouTube: Setting up some MMDVM DMR hot spots with Raspberry Pi Zero 2 W

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If you’ve ever faced the frustration of a radio refusing to connect to programming software, you’re not alone. In a recent YouTube video, a technician tackled a stubborn Icom IC-F110 transceiver that just wouldn’t cooperate. The investigation uncovered several underlying issues, starting with a dirty microphone port that could potentially disrupt connections. After confirming the programming cable and COM port settings were correct, the technician decided the best course of action was to open up the unit for a closer look.

Cleaning Out the Dust and Corrosion

Upon opening the radio, the technician was greeted with a shocking amount of dust, which was not only an eyesore but also a potential hazard for the device’s functionality. The dust buildup was significant enough to warrant a full teardown and cleaning of the unit. While cleaning, the technician discovered signs of liquid damage and corrosion on the circuit board, particularly under the ribbon cable, suggesting that the repair would be more complex than initially anticipated.

The Bodgege Wire Repair

Identifying that one of the microphone jack pins was faulty, the technician employed a bodgege wire repair technique to restore connectivity. Using thin magnet wire, the technician carefully bypassed the damaged area, ensuring that the wire was insulated to prevent short circuits. This method allowed for a less invasive repair while still ensuring a reliable connection. The repair involved relocating a small resistor to a more accessible area on the board, showcasing the technician’s skill in navigating the delicate circuitry.

Sealing and Protecting the Repair

After executing the bodgege repair, the technician cleaned up the board, removing excess flux and applying a protective coating to safeguard against future moisture issues. This step is crucial for a radio that will likely be used in environments where condensation or spills could occur, particularly in vehicles. The technician also replaced a faulty potentiometer, which had been rendered useless due to gunk buildup.

Successful Programming and Wrap-Up

With the repairs completed, the technician reconnected the programming cable and successfully read from the radio, marking a triumphant end to the project. This repair not only restored the functionality of the Icom IC-F110 but also underscored the importance of regular maintenance and cleaning to prevent such issues in the future. Viewers were encouraged to engage with the video by liking, subscribing, and leaving comments, fostering a community of enthusiasts eager to learn about radio repairs.

This engaging repair journey illustrates the challenges and rewards of working with electronics, reminding us that sometimes, a little dirt can lead to significant discoveries! Whether you’re a seasoned technician or a curious beginner, this video offers valuable insights into troubleshooting and repairing electronic devices.

In this video we repair an Icom IC-F110 that will not read or write program information.

Watch on YouTube: Icom IC-F110 Will not program

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In a thrilling live broadcast, viewers tuned in to witness the re-entry of Cosmos 482, a Russian space craft that has captivated space enthusiasts and researchers alike. The event marked a significant moment in space exploration history, as this particular craft had a storied journey since its launch. With cutting-edge technology and live commentary, the stream brought audiences closer to the raw excitement of space science.

The Journey of Cosmos 482

Cosmos 482 was initially launched in the early 1980s, and over the years, it has contributed valuable data to various scientific endeavors. Designed for military reconnaissance, the craft had been a silent observer, gathering intelligence and insights about the Earth from orbit. As the years went by, the craft’s operational capacity dwindled, leading to the decision for its eventual re-entry into the Earth’s atmosphere.

A Pioneering Re-entry Process

The live stream not only showcased the re-entry but also educated viewers about the intricate processes involved in safely guiding a spacecraft back to Earth. Experts discussed the delicate balance of speed, angle, and timing required to ensure a controlled descent. The craft’s trajectory was meticulously calculated to minimize risks, highlighting the advanced engineering and planning that goes into every space mission.

Public Engagement and Excitement

Throughout the broadcast, the excitement was palpable as viewers engaged with hosts and experts via live chat. The community brought together space enthusiasts from all walks of life, united by a shared passion for exploration and discovery. As the craft began its descent, the anticipation grew, with real-time updates keeping everyone on the edge of their seats.

Conclusion: A Step Forward for Space Exploration

The re-entry of Cosmos 482 serves not only as a nostalgic reminder of past missions but also as a stepping stone toward future advancements in space technology. As we reflect on this event, it’s clear that every mission contributes to our understanding of the cosmos and the development of safer, more efficient technologies for upcoming explorations. The excitement generated by this live event is a testament to the enduring fascination with space and the importance of sharing these moments with the world.

Let's watch Cosmos 482 Crash on Earth Live!

Watch on YouTube: LIVE Cosmos 482 Russian Space Craft Re-entry

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In the ever-evolving world of technology, the fascination with electronics repair and geekery continues to thrive. This YouTube video delves into the intricacies of electronics repair, shedding light on the skills and knowledge required to tackle various electronic devices. From smartphones to vintage gadgets, the speaker emphasizes the rewarding experience of diagnosing and fixing electronic issues, ultimately empowering individuals to extend the life of their devices.

The Art of Electronics Repair

Repairing electronics is not just a technical task; it’s an art that combines problem-solving skills with creativity. The video highlights how understanding the fundamental concepts of electronics can significantly enhance one’s ability to troubleshoot problems effectively. Viewers are encouraged to embrace their inner geek, as the journey of learning about electronics can lead to a deeper appreciation of the technology we use daily. The speaker discusses various resources available for those interested in honing their repair skills, from online tutorials to community workshops.

Tools of the Trade

No repair job is complete without the right tools. The video outlines essential tools every aspiring electronics repair enthusiast should have in their toolkit, such as soldering irons, multimeters, and screwdrivers of various sizes. These tools not only facilitate efficient repairs but also enhance the overall repair experience. The speaker provides tips on how to choose quality tools without breaking the bank, making the process accessible to a wider audience.

Common Repair Challenges

Throughout the discussion, common challenges faced during electronics repair are addressed. From dealing with stubborn screws to identifying faulty components, the speaker shares personal anecdotes that resonate with many who have attempted DIY repairs. This candid approach demystifies the repair process, making it less intimidating for beginners. The video encourages viewers to view challenges as learning opportunities, reinforcing the idea that mistakes are a crucial part of mastering any skill.

Community and Geek Culture

The sense of community among electronics enthusiasts plays a significant role in fostering a culture of repair and innovation. The speaker emphasizes the importance of connecting with like-minded individuals through forums, social media groups, and local meetups. This network not only provides support and advice but also serves as a platform for sharing knowledge and experiences. The video captures the essence of geek culture, celebrating creativity, experimentation, and the joy of fixing things.

In conclusion, the video on electronics repair and geekery inspires viewers to dive into the world of DIY repairs. By equipping themselves with the right knowledge and tools, individuals can not only save money but also contribute to a sustainable future by reducing electronic waste. Whether you’re a seasoned techie or a curious beginner, the journey of electronics repair is filled with excitement, learning, and a strong sense of community. So, grab your tools, embrace your inner geek, and start your repair adventure today!

Electronics repair and Geekery

Watch on YouTube: Geeking Out

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In a recent video, a vintage Macintosh 512K was the star of the show, revealing both its long-neglected condition and the hidden surprises within. The host began by diagnosing the issue with the computer, which was displaying random checker lines on the screen—an indication of potential capacitor failure or ROM issues. Determined to breathe new life into this classic piece of technology, the presenter set out to replace the capacitors and investigate the intriguing add-on SCSI card nestled inside the machine.

Upon opening the Macintosh, the host discovered a leaking battery that had thankfully contained itself within the holder, making removal straightforward. However, the SCSI card was not as securely fastened, having fallen into the casing. This led to an exciting revelation that the ROM chips were absent, likely due to the SCSI card’s installation. The presenter noted that while there are various SCSI cards available online, this particular model was somewhat rare, with SuperMac branding and unique features that set it apart from its contemporaries.

After replacing several axial capacitors on the logic board, the host turned their attention to the analog board, deciding to refresh all the small electrolytics, acknowledging their age despite their likely good condition. The meticulous restoration process included using double-sided tape to reattach the safety cover, ensuring the Macintosh would be as close to its original state as possible. With the hardware repairs completed, the moment of truth arrived: would the Macintosh boot up successfully?

To the excitement of both the presenter and viewers, the Macintosh 512K powered on, indicated by a beep and the whirring of the floppy drive. The system was able to load Mac Paint, showcasing a successful restoration thus far. However, the real test lay in the functionality of the SCSI port. After some experimentation with a Blue SCSI device, the host discovered that it could indeed boot from a SCSI SD setup, marking a significant milestone in the project.

Throughout the process, the host emphasized the importance of using floppy emulators instead of hard drives for the Macintosh 512K, as most software and games from that era required direct booting from floppy disks due to the machine’s limited memory. This vintage restoration project not only salvaged a piece of computing history but also highlighted the unique challenges and rewards of working with classic technology. As the video concluded, the presenter encouraged viewers to engage with their own thoughts and experiences, creating a community of retro computing enthusiasts eager to share their journeys.

In this video we restore a Macintosh 512K

Watch on YouTube: This Macintosh Hid a Surprise for 40 Years!

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In today’s electronics repair adventure, we dive into the world of the Icom IC-F110, a VHF radio that’s intriguing in both its design and its quirks. The IC-F110, closely related to the F121, offers a lower wattage option and is primarily an international version not commonly found in North America. The radio in question exhibits a flashing display and strange noises, symptoms indicating that the Voltage Controlled Oscillator (VCO) is not locking onto a frequency. This issue prompts an investigation into potential power supply problems, particularly focusing on the various voltage regulators.

The technician starts by disassembling the radio, taking precautions to connect a dummy load to avoid damage during testing. Initial checks reveal a healthy 13.98 volts at the power input, but the 8-volt output from one regulator is alarmingly absent. Further diagnostics show that while the CPU is operational—allowing basic functions like channel changes—the 5-volt lines seem suspiciously low. Understanding the layout and schematics of the radio, the technician identifies the next steps, which entail checking multiple voltage regulators embedded within the device.

With a deep dive into the circuit board, the technician meticulously traces the circuitry, discovering potential culprits in the regulators Q27 and Q28, which seem to be linked to the 5-volt supply. After a thorough cleaning of the internal components, aimed at removing years of grime and possible liquid damage, the technician comes up empty-handed in resolving the flashing display, necessitating further exploration into the faceplate connections.

The process highlights the importance of spare parts, as the technician tests a known working faceplate to eliminate the possibility of a faulty ribbon cable. Ultimately, it becomes clear that the issue lies deeper within the circuitry. After extensive circuit tracing, the technician identifies a break in continuity related to corrosion potentially caused by liquid intrusion. A careful bodge repair is executed to bridge the gap, providing hope for a resolution to the flashing display issue.

As the radio is reassembled, the technician conducts final tests. To their delight, the radio successfully transmits and receives signals, proving that the earlier repairs were effective. The radio is cleaned thoroughly, new thermal grease is applied, and protective conformal coating is added to secure the repairs. The technician wraps up the project, satisfied that they have restored a valuable piece of equipment that serves off-road enthusiasts and truckers alike, ensuring it will function flawlessly for years to come.

This repair journey not only showcases the technical skills involved in troubleshooting and fixing electronic devices but also emphasizes the importance of patience and attention to detail in the world of electronics repair. The technician’s commitment to restoring functionality to the Icom IC-F110 is a testament to the rewarding nature of hands-on technical work.

This Icom IC-F110 has a flashing display. Let's find out why.

Watch on YouTube: Icom IC-F110 Flashing display Repair

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In an age where electronic waste is a growing concern, one YouTuber takes it upon himself to salvage and restore a pair of PoE (Power over Ethernet) IP cameras that had been discarded due to snipped cords. The video showcases a hands-on approach to repurposing technology that would otherwise contribute to e-waste, highlighting the importance of recycling and sustainability in our tech-driven world.

Disassembling the Cameras

The adventure begins with the careful disassembly of a dome camera, revealing its internal components. With a few deft movements, the speaker extracts the ribbon cable and other essential parts, showcasing the intricate design of the camera. The focus is on minimizing damage and maximizing the chances of a successful repair. As he navigates through the camera’s internal structure, he discovers a microcontroller and a battery, indicating that this camera is far from obsolete.

Powering Up the Camera

One of the notable features of the camera is its ability to operate on both PoE and 12 volts, making it versatile for various applications. The speaker notes the standard wiring colors for Ethernet cables and contemplates the best method to connect a new cable without resorting to splicing or soldering. After some experimentation, he decides to replace the snipped cord with a new RJ45 connector, ultimately realizing that the stranded wires in the camera made this process more challenging than anticipated.

Overcoming Technical Challenges

Despite initial setbacks with the first camera, including difficulties in making proper electrical contact, the speaker shifts his focus to a second camera. This time, he opts for soldering connections internally—something he initially wanted to avoid. With patience and precision, he strips the wires and makes the necessary connections to bring this camera back to life. His efforts pay off when he successfully accesses the camera’s interface, demonstrating that what was once discarded can be revived.

Exploring Camera Specifications

With the cameras operational, the speaker takes a moment to delve into the technical specifications. Both cameras boast a 4-megapixel resolution, with one featuring a wide dynamic range, making them excellent for different surveillance needs. The speaker appreciates the high-definition quality, noting that even a resolution slightly below 4K is more than sufficient for his purposes. This realization underscores the value of investing time in repairs rather than contributing to e-waste.

As the video concludes, the speaker expresses enthusiasm for the successful restoration of the cameras, inviting viewers to consider the potential for salvaging their own discarded tech. By sharing this engaging DIY journey, he not only demonstrates technical skills but also promotes a culture of sustainability and resourcefulness in technology. Whether you’re a tech enthusiast or someone looking to reduce waste, this video serves as an inspiring reminder of the possibilities that lie within our old electronics.

Let's save these cameras from being E-waste. Somebody removed them and snipped off the cords.

Watch on YouTube: Saving Enterprise IP Cameras from E-Waste

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Welcome back to the world of retro computing! In today’s dive into nostalgia, we take a closer look at the IBM ThinkPad 385ED, a vintage laptop that dates back to the Windows 95 era. This particular model, powered by a Pentium processor, is not only a collector’s item but also a testament to the durability and reliability that IBM laptops were known for. However, as our host discovers, this ThinkPad has encountered some issues that have led it to the brink of being discarded. Can it be saved? Let’s find out!

Initial Challenges and Diagnosis

Upon powering on the ThinkPad, it becomes evident that the backlight is functioning, but the display presents a chaotic array of colorful lines. Thankfully, the laptop is operational enough to boot into Windows 95, thanks to a recently replaced coin cell battery that is crucial for BIOS functionality. The next step for our intrepid technician is to open the device and investigate the screen issues—speculating whether the problem lies with a loose ribbon cable or a potentially faulty display.

Opening Up the ThinkPad

As the ThinkPad is disassembled, the host takes great care to avoid damaging any of the delicate ribbon cables that connect the various components. To everyone’s surprise, the interior of the laptop is exceptionally clean, suggesting it hasn’t been heavily used. With a few careful maneuvers, the technician accesses the LCD connections, revealing a significant discovery: one of the cables was slightly unplugged. This simple oversight was likely the result of a drop, which caused the disconnection, but fortunately, no other damage was found.

Upgrading to Solid State

With the screen issue resolved, the focus shifts to the hard drive. The original hard drive, a modest 2GB, is extracted for cloning and replacement with a more modern solid-state drive (SSD) using an IDE to SD card adapter. This upgrade promises enhanced speed and reliability, which are essential for the smooth operation of older hardware. However, the initial attempt to use the SD card adapter fails, leading to the realization that a Compact Flash to IDE adapter would be a more compatible solution.

Finishing Touches and Future Plans

After some trial and error, including 3D printing a new bracket for the Compact Flash adapter, the host successfully boots the laptop with the new setup. The ThinkPad springs to life, showcasing its retro charm and functionality. The journey doesn’t end here; future plans may include converting the backlight to LED and refurbishing the battery for a complete restoration. This project not only revives a piece of computing history but also demonstrates the potential to breathe new life into vintage technology.

Overall, this adventure with the IBM ThinkPad 385ED is a reminder of the joy and satisfaction that comes from restoring retro technology. Whether you’re a seasoned tech enthusiast or a curious newcomer, the world of vintage computing offers endless opportunities for exploration and creativity. Stay tuned for further updates on this project, as there’s always more to discover in the realm of retro PCs!

Lets Save an IBM Thinkpad 385ED from the dump. This one wont show anything on the display except for some multi colored lines.

Watch on YouTube: Can This Dumpster-Bound ThinkPad 385ED Be Saved?

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Welcome back to the workshop! Today, we’re diving into a troubleshooting adventure with a Creality filament dryer that isn’t heating up as it should. The primary function of this device is to gently warm and dehumidify various 3D printing filaments, such as PLA and PETG, preventing them from degrading. However, the owner reported that this specific unit, purchased at a discount as an Amazon return, was completely non-functional. Let’s unpack the problem and explore the repair process!

Initial Observations

Once the dryer was taken out of the box, the first thing noticed was the absence of a switch on the lid, which could potentially disable the unit when opened. The speaker decided to power it up to investigate further. After turning it on, it was quickly apparent that the air blowing out was cold, confirming that the dryer was not heating at all. After about eleven minutes of waiting, the situation remained unchanged, prompting the speaker to take a closer look inside.

Disassembling the Dryer

Gaining access to the internal components involved carefully removing insulation and other parts. As the speaker opened the unit, they discovered signs of previous tampering, including dog hair and an easily removed sticker. This raised concerns about the device’s prior history and condition. The heating element was identified, and the speaker prepared to check it alongside the associated circuit board, which contained a solid-state relay likely responsible for the heating function.

Diagnosing the Issue

Using a multimeter, the speaker began testing the solid-state relay, suspecting it to be the source of the malfunction. Measurements indicated a resistance of several kilohms, which was excessively high for a functioning relay. This prompted a closer inspection and further tests, confirming that the relay was indeed defective. The speaker then sourced a replacement part and prepared for reassembly.

Successful Repair and Testing

With the new solid-state relay in hand, the speaker replaced the faulty component, carefully reassembling the dryer. After reconnecting all the wiring and components, including the fan and display, it was time for a final test. The moment of truth arrived when the unit was powered on, and to everyone’s relief, the temperature began to rise, indicating that the repair was a success!

In conclusion, this repair journey showcased the importance of thorough troubleshooting and diagnosis in electronic devices. The faulty solid-state relay was the root cause of the heating issue, and with a little patience and technical know-how, the dryer was restored to proper working order. As the speaker plans to test the dryer overnight with filament inside, viewers are encouraged to leave comments and share their thoughts. This engaging repair story reminds us that even when things go wrong, a little investigation and determination can lead to a successful outcome!

Creality Filament Dry Box 2.0 Repair for no heat. Let's figure out why this thing doesn't work.

Watch on YouTube: Creality Filament Dry Box 2.0 Repair for no heat

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