InTheMail – VoltLog

InTheMail | Voltlog #488

In the latest edition of InTheMail, I unbox and review a treasure trove of electronics tools and gadgets from AliExpress and Amazon. From high-quality pliers to versatile USB-C connectors and even a unique IR pre-heater, this video is packed with valuable insights and recommendations for hobbyists of all levels.

Kicking things off, I share my honest thoughts on a set of pliers that failed to meet expectations, followed by a handy pair of scissor-type cutters perfect for trimming heat shrink and enamel wire. Next up, a carbon fiber spudger adds an anti-static and ESD-safe option to my toolkit. The video also showcases the compact and open-source olmBoard modules, featuring impressive specs like a wide input voltage range and low power consumption.

USB-C connectors, a magnetic rotary position sensor breakout, and a digital speaker amp board are also highlighted. For those working with DC motors, I review breakout boards for the DRV8871 H-bridge driver, offering overcurrent and over-temperature protection. Practical accessories like a tactical shoulder strap, corkscrew bottle opener, and wetsuit hanger are also covered.

One standout item is the IR pre-heater, which has revolutionized my soldering and desoldering workflow. By pre-heating PCBs, I can minimize stress on surrounding components and achieve better results, especially for double-sided or heavily populated boards. Finally, I explore the potential of syringe filters for cleaning and reusing ultrasonic cleaner liquids more effectively.

InTheMail | Voltlog #482

Welcome to another exciting InTheMail unboxing extravaganza! In this episode, we dive into a treasure trove of gadgets, tools, and components perfect for any electronics tinkerer or maker. From mechanical fasteners and wiring accessories to unique finds like magnetic multimeter leads and a PoE detector, this mailbag is brimming with surprises.

One highlight is the heartwarming story of upgrading a toy excavator for a 2-year-old construction machinery enthusiast. By incorporating LEDs, sound effects, and vibrations, an ordinary toy was transformed into an interactive delight, sparking joy and wonder. This project showcases the magic of combining electronics with creativity.

Another intriguing item is the set of sodium-ion 18650 batteries. While still in the early stages of adoption, these safer and longer-lasting alternatives to lithium-ion batteries hold promise for future designs. The possibility of destructive testing (with caution, of course) adds an element of excitement and curiosity.

From essential components like standoffs and screws to specialized tools like the drain cleaning brush and countdown timer, this mailbag caters to a wide range of needs. Whether you’re prototyping, repairing, or simply exploring new technologies, there’s something for everyone. So, join us on this adventure as we unbox, explore, and dream up new projects with the latest additions to our ever-growing collection of electronics goodies.

InTheMail | Voltlog #476

Gear up, electronics enthusiasts! In this installment of InTheMail, we’re diving deep into a treasure trove of tech goodies that are sure to elevate your workshop game. From cutting-edge ESP32-C3 development boards to sleek braided heat shrink tubing, we’ve got you covered. First up, we’re exploring the world of the ESP32-C3, a powerful microcontroller based on the RISC-V architecture.

We’ve got not one, but three dev boards to showcase, each with its unique features and form factors. Whether you need a compact solution or a board packed with extras like USB-C ports and status LEDs, we’ve got you covered. But that’s not all! We’re also taking a closer look at braided heat shrink cable sleeving, a professional-grade solution for your wiring projects.

While it comes with a few caveats, like a higher price tag and stiffer finish, the braided look is undeniably sleek and polished. Continuing our exploration, we stumble upon a rather intriguing (and slightly concerning) product – a pet positioning GPS locator with a built-in microphone. While its tracking capabilities are questionable, the ability to listen in on conversations raises some ethical concerns.

We’ll leave it up to you to decide how to utilize this technology responsibly. Moving on to more practical solutions, we’ve got our hands on a nifty hand wave sensor and a touch sensor designed for furniture integration. These clever devices allow you to control lighting and other low-voltage DC applications with a simple wave or touch, adding a touch of convenience and modernity to your projects.

And speaking of lighting, we’re diving into the world of LED tape controllers, specifically one powered by an ESP8266 module. While it may not be the ideal choice for driving analog LED tapes due to potential flickering issues, it’s a fantastic option for digital LED tapes, offering seamless integration with popular open-source firmware platforms like Tasmota, WLED, and ESPHome.

But wait, there’s more! We’re also exploring a budget-friendly Apple Watch charger clone and a unique stainless steel scrub cleaner for those who value a sparkling workshop (and cast iron pans!).

InTheMail | Voltlog #472

Welcome to the first InTheMail episode of 2024 on Voltlog! In this installment, we dive into the latest gadgets and tools that have arrived at the lab, perfect for DIY enthusiasts, electronics hobbyists, and tech explorers alike. Kicking things off is a handy 24-pin ATX power supply on/off switch, a game-changer for anyone working with ATX PSUs.

No more fumbling with paperclips or risking short circuits – this nifty device features a dedicated on/off switch and even an LED indicator to signal when the PSU is powered on. Next up, we explore the world of cable sleeving with a nylon braided variety that can transform a mundane wiring job into a professional-looking masterpiece.

While not heat-resistant, these sleeves come in various diameters to accommodate different cable sizes, adding a touch of elegance to your projects. Continuing the theme of project essentials, we have mains voltage neon lamps in panel mount and glass bead variants, perfect for power presence indicators or test fixtures.

And speaking of testing, PTC thermistors offer a convenient way to simulate valve behavior when developing projects like the underfloor heating multi-channel valve controller board. Wireless enthusiasts will appreciate the crimpable N-Type RF connectors compatible with LMR400 cables, along with a press-fit variant that eliminates the need for a crimp tool.

And for those seeking a rugged, magnetic connector solution, the magsafe-style connector with its keyed design and solid construction is sure to impress.

InTheMail | Voltlog #468

Welcome back to another exciting mailbag video! In this edition, we’ve got a fantastic selection of electronics modules, tools, and accessories that are sure to pique the interest of any hobbyist or tech enthusiast. From practical storage solutions to unique bargraph displays and rapid prototyping boards, this video is packed with gems that might just inspire your next project.

Kicking things off, we have a pair of EVA storage cases that are perfect for safely storing and transporting small devices like logic analyzers or firmware debug tools. These compact and affordable cases are a must-have for anyone who values organization and protection for their electronics. Next up, we have a fascinating LED bargraph module that caught my eye.

This round, 31-segment display is a true eye-catcher and can be used in various projects, such as level indicators or visual displays. With options for different colors like green, red, and yellow, these modules offer versatility and a touch of retro charm. For those who frequently work with ESP32 or compatible modules, the prototyping PCBs featured in this video are a game-changer.

These boards allow for rapid prototyping and easy access to all pins, making them invaluable tools for any maker or developer. But that’s not all! We also explore a range of other exciting products, including a bicycle pump valve replacement, pneumatic fittings, high-quality cigarette lighter connectors (with a rant about delivery restrictions), connector adapters, USB Power Delivery decoy modules, and even an EMI filter module for power supply noise suppression.

2023’s Best Electronics Engineer Gifts | 462

As an electronics engineer, having the right tools can make all the difference in productivity and efficiency. With the 11.11 Shopping Festival just around the corner, it’s the perfect time to upgrade your workbench or surprise your engineer friend with a thoughtful gift. In this guide, we’ve curated a list of top-notch products that are sure to delight any tech enthusiast.

First on the list is high-quality ESD protection from Welectron. Their anti-static mats are not only durable and chemical-resistant but also free from unpleasant odors, ensuring a comfortable working environment. Whether you need a large mat for your workbench or a compact one for your computer desk, Welectron has got you covered.

Next up is the highly anticipated Raspberry Pi 5, a true powerhouse for any electronics engineer or hobbyist. With a significant performance boost and new features like PCIe Gen2 and an RTC module, this little computer packs a punch. As an official Raspberry Pi distributor, Welectron is the go-to source for snagging one of these coveted devices.

For those in need of a thermal camera, the options are diverse and tailored to different use cases. The DytSpectrumOwl is a top choice for PCB inspection on your workbench, while the UNI-T UTi260B and Infiray P2 PRO offer portability and macro lens capabilities, respectively. Whichever you choose, a thermal camera can unlock new levels of productivity and troubleshooting prowess.

The Sugon 8650 Hot Air Station is a game-changer for soldering and rework tasks. With its precise temperature regulation, massive power output, and user-friendly interface, this station can handle even the most demanding jobs with ease. Investing in this top-of-the-line tool is a surefire way to elevate your soldering skills.

Last but not least, the FNIRSI USB power monitors (FNB58 and FNB48) are sleek and highly capable tools for measuring USB power delivery. With their exceptional resolution, cable chip detection, and Bluetooth data logging, these monitors are a must-have for any engineer working with USB-C and power delivery protocols.

InTheMail | Voltlog #461

As the 11.11 festival approaches, bringing with it a wave of tantalizing discounts, it’s the perfect time to explore some exciting new electronics and tools. This latest InTheMail video showcases a diverse range of products that cater to both the passionate hobbyist and the professional technician. One standout item is the smart UV curing lamp, a game-changer for PCB repairs.

Designed specifically for curing UV-curable solder masks, this lamp offers convenience and efficiency. No more tedious aiming of a UV flashlight – simply place your PCB under the lamp, set the timer, and let it work its magic. The raised corners ensure compatibility with various PCB sizes, making this a must-have tool for any electronics enthusiast.

For those seeking a lithium-ion battery solution, the featured battery pack case is an intriguing option. Designed to mimic the form factor of a standard 12V lead-acid battery, it offers the ability to create custom lithium-ion packs using 18650 cells. While the charging capabilities of the included BMS board raise some questions, this product opens up exciting possibilities for upgrading devices with improved capacity and discharge rates.

Cable management is a recurring theme, with the introduction of screw-hole cable ties and cable combs. The former offers a neat solution for routing wires and cables, while the latter promises to bring order and organization to even the most chaotic cable installations. Safety is also a priority, with the inclusion of a face protection mask.

While its intended use in the kitchen may be questionable, it could prove invaluable for tasks like Dremel work or polishing, shielding your face from airborne debris.

InTheMail | Voltlog #457

In the latest edition of the beloved “InTheMail” series, our host unveils an exciting array of gadgets and tools sourced from the ever-reliable AliExpress. From practical accessories to cutting-edge electronics, this mailbag caters to both the passionate hobbyist and the professional tinkerer. Kicking things off, we explore a nifty threaded inserts tool kit, designed to seamlessly integrate threaded inserts into 3D printed parts.

Next up is a game-changing wireless adapter that brings the convenience of Apple CarPlay to your vehicle, eliminating the need for cumbersome wired connections. The mailbag also unveils a sleek carbon fiber EVA carry case, perfect for organizing and transporting your electronics tools on the go. Pill organizer boxes offer a versatile storage solution for small components, while waterproof Apple AirTag cases promise to extend the functionality of these handy trackers to aquatic environments.

Practical items like neoprene repair patches, adhesive-backed silicone rubber, and emergency signaling mirrors cater to a wide range of outdoor and survival needs. Battery terminal insulator sleeves and a miniaturized USB-C heating plate demonstrate the versatility of the offerings. For the tech-savvy, the mailbag includes a generic ESP32 development board with an OLED screen, as well as the tiny ESP8685-WROOM-07-H4 module, a potential replacement for Tuya CBLC5 modules.

Outdoor enthusiasts will appreciate the rugged 12KN carabiners and a handy aluminum bottle opener tool. Last but not least, a wall socket power analyzer promises to provide detailed insights into energy consumption, making it an invaluable tool for energy-conscious individuals and professionals alike.

InTheMail | Voltlog #450

Welcome back to another exciting episode of “InTheMail”! In this installment, we’ll be unboxing a treasure trove of electronic gadgets and tools that are sure to pique your interest. From cutting-edge USB testers to compact GPS modules and industrial-grade connectors, this mailbag is packed with goodies that will make any electronics enthusiast’s heart skip a beat.

First up, we have the FNIRSI FNB58 and FNB48P USB testers, which boast impressive specifications and a sleek design. These bad boys can handle a wide range of voltages, currents, and power levels, making them indispensable for any serious tinkerer. But that’s not all – we’ll also be taking a closer look at a nifty GPS module based on the ATGM336H chipset, perfect for prototyping and testing your location-based projects.

Moving on, we’ve got some exciting USB-C chargers and power delivery modules, including a car laptop charger capable of delivering a whopping 100W of power. Prepare to be amazed as we put this beast through its paces and see if it can truly live up to its claims. But that’s not all, folks! We’ll also be exploring industrial-grade circular connectors, Anderson-style connectors, and even a specialized connector for VW rear-view mirrors.

If you’re a fan of automotive projects, this one’s for you. And let’s not forget about the tools and accessories! From self-priming water pumps for your DIY plant watering station to audio modules, diagonal cutters, and a portable soldering iron stand, this mailbag has everything you need to take your projects to the next level.

So, buckle up and get ready for an electrifying ride through the world of electronics! Whether you’re a seasoned pro or a curious newcomer, there’s something in this mailbag for everyone.

InTheMail | Voltlog #446

Welcome to another exciting edition of “In The Mail” where we unbox and explore the latest electronics goodies that have arrived at my doorstep. This time around, we have a diverse array of items ranging from radio modules to antennas, charging solutions, wiring essentials, and even some handy tools.

Let’s kick things off with the CC1101 sub-GHz radio module, a popular choice for wireless communication projects. I plan to connect this module to an ESP32 and explore platforms like Tasmota, ESPHome, or others to create an RF bridge to Home Assistant. This will allow me to capture signals from devices like smoke detectors with built-in radio signaling capabilities.

Moving on, we have a couple of USB-C charging modules that promise to upgrade our charging game. The TP4057 module with a USB-C connector and an integrated battery protection chip looks promising, while the second module offers switch-mode charging and boosting capabilities, all packed into a tiny SOT23.5 chip.

Speaking of USB-C, I’ve also got some handy adapters to bridge the gap between USB-C and USB Type-A, ensuring seamless connectivity across devices. And for those times when you need to extend your charging reach, I’ve got a couple of 1-meter USB-C extension cables, albeit a bit thicker than expected due to their high-speed data and power delivery ratings.

Wiring is an essential part of any electronics project, and I’ve stocked up on some silicone and PVC wires in various colors and gauges. These will come in handy for quick prototyping and testing, and having multiple color options makes it easier to keep track of connections. For my LoRa and LoRaWAN adventures, I’ve acquired a couple of antennas, including a beefy 55cm 12dBi 868MHz antenna and its smaller 37cm sibling.

I plan to put them through their paces with a nano VNA to test their center frequencies and SWR performance. Rounding out the mailbag, we have some handy tools like a J-Link PCB adapter for ARM microcontroller debugging, specialized screwdriver bits for electrical work and security screws, an electric engraving tool for PCB modifications, a sturdy syringe booster for dispensing viscous materials, and a multifunctional flume wrench kit for tight spaces.