Documents

Netgear JGS516PE and PoE Kit Teardown -- The Electronics Inside 83

cstanton — Wed, 20 Mar 2024 13:51:19 GMT

Current Revision posted to Documents by cstanton on 3/20/2024 1:51:19 PM

In this episode, David explores the technology of Power over Ethernet (PoE), dissecting three devices powered by a single lead and a network switch.

Watch the Video:

https://youtu.be/f_JFxzcCMI0

David begins by providing a comprehensive understanding of Ethernet, delving into the intricacies of twisted pair cables such as Cat 5e and Cat 6a. He emphasizes the importance of twist rates, conductor size, and copper purity when it comes to data speeds, which range from 10 to 10,000 megabits per second.

David then jumps into Power over Ethernet, or PoE, elucidating the concept of Power Sourcing Equipment (PSE) and Powered Devices (PDs), and highlighting the advantages of centralized power distribution. Cameras, wireless access points, and even the Raspberry Pi 3 and 4 are discussed as examples benefiting from PoE, eliminating the need for separate power sources.

The discussion extends to PoE injectors, devices that add power to an Ethernet signal, and PoE switches, which are pivotal in providing power to multiple devices. David meticulously dissects a 16-port PoE switch, while discussing the complexities of managing power distribution and data traffic. Larger switches used in data centers are briefly touched upon, emphasizing their massive power requirements and advanced capabilities.

The teardown doesn't conclude with only switches; David extends the exploration to PoE-enabled devices like a security camera and a wireless access point. Through these teardowns, he exposes the unique challenges and design considerations associated with integrating PoE functionality into these devices.

Downloads & Links:

RPI POE Hat

element14 Presents | About David | Project Videos | The Electronics Inside

Tags: Innovative power delivery, PoE-enabled devices breakdown, power over ethernet, Power Supply Equipment, Centralized power distribution, Electronics device design considerations, PoE injectors and switches, Electronics engineering insights, Twisted pair cable details, Ethernet cable specifications, Powered Device, Technical exploration of Ethernet, poe, Network switch complexities, networking, Network switch dissection, Power over Ethernet technology, Data and power integration, Teardown of electronic devices, Technical teardowns

Netgear JGS516PE and PoE Kit Teardown -- The Electronics Inside 83

tariq.ahmad — Tue, 19 Mar 2024 15:16:08 GMT

Revision 1 posted to Documents by tariq.ahmad on 3/19/2024 3:16:08 PM

In this episode, David explores the technology of Power over Ethernet (PoE), dissecting three devices powered by a single lead and a network switch.

Watch the Video:

https://youtu.be/f_JFxzcCMI0

The teardown doesn't conclude with switches; David extends the exploration to PoE-enabled devices like a security camera and a wireless access point. Through these teardowns, he exposes the unique challenges and design considerations associated with integrating PoE functionality into these devices.

Downloads & Links:

RPI POE Hat

element14 Presents | About David | Project Videos | The Electronics Inside

Netgear JGS516PE and PoE Kit Teardown -- The Electronics Inside 83

pchan — Tue, 19 Mar 2024 15:16:08 GMT

Revision 2 posted to Documents by pchan on 3/19/2024 3:16:08 PM

In this episode, David explores the technology of Power over Ethernet (PoE), dissecting three devices powered by a single lead and a network switch.

Watch the Video:

https://youtu.be/f_JFxzcCMI0

Downloads & Links:

RPI POE Hat

element14 Presents | About David | Project Videos | The Electronics Inside

Sony WENA 3 Smart Watch Teardown -- Episode 82

pchan — Tue, 13 Feb 2024 19:26:29 GMT

Current Revision posted to Documents by pchan on 2/13/2024 7:26:29 PM

In this episode of "Electronics Inside," host David explores the Sony Wena 3, a unique smart accessory or wristband that combines the charm of a classic timepiece with modern smart features. The Wena 3 comes with various accessories, including traditional mechanical movement timepieces and fancy straps, offering users a wide range of customization options. Despite its small size, the device boasts impressive water resistance, rated at 5 bar or 50 meters.

Watch the Video:

www.youtube.com/watch

David highlights the challenges faced due to the Wena 3 being a Japan-only product, with all instructions, documentation, and the accompanying app available only in Japanese. He demonstrates the device's functionalities, showcasing its monochrome OLED touchscreen, fitness tracking capabilities, notifications, NFC payments (limited to Japanese locale services), and more. The device supports features like music control, Alexa integration, and a find my phone option.

During the teardown process, David discovers the fragility of the curved OLED display and the unique combination of connectors for the display and touchscreen. He explores various components, including the NFC antenna, sensors, battery, and motherboard, providing technical insights into their functions. Despite the limited repairability due to the sealed glass front, he commends the overall build quality and compact design of the Wena 3.

In conclusion, David expresses his appreciation for the Wena range and suggests that Sony considers expanding its availability beyond Japan. He sees potential in the device's ability to appeal to users who want a smart accessory that can be worn either as a standalone wristband or to enhance a traditional mechanical watch.

element14 Presents | About David | Project Videos | The Electronics Inside

Tags: Smart wristband technology, Sony Wena 3 review, Classic timepiece with smart features, Water-resistant smart wristbands, Compact smartwatch design, smart band, Unique fitness tracking accessories, NFC payment wristbands, Japanese language support wearables, Curved OLED display technology, Traditional watch with notifications, Wearable tech innovations, sony, Innovative smart accessories, smart watch, Wearables, Japanese smartwatch market, Customizable mechanical watches, WENA

Sony WENA 3 Smart Watch Teardown -- Episode 82

cstanton — Tue, 13 Feb 2024 19:26:29 GMT

Revision 3 posted to Documents by cstanton on 2/13/2024 7:26:29 PM

Watch the Video:

www.youtube.com/watch

element14 Presents | About David | Project Videos | The Electronics Inside

Sony WENA 3 Smart Watch Teardown -- Episode 82

cstanton — Tue, 13 Feb 2024 19:26:29 GMT

Revision 4 posted to Documents by cstanton on 2/13/2024 7:26:29 PM

Watch the Video:

www.youtube.com/watch

element14 Presents | About David | Project Videos | The Electronics Inside

Sony WENA 3 Smart Watch Teardown -- Episode 82

tariq.ahmad — Tue, 13 Feb 2024 18:50:51 GMT

Revision 2 posted to Documents by tariq.ahmad on 2/13/2024 6:50:51 PM

Watch the Video:

www.youtube.com/watch

element14 Presents | About David | Project Videos | The Electronics Inside

Sony WENA 3 Smart Watch Teardown -- Episode 82

tariq.ahmad — Tue, 13 Feb 2024 16:08:22 GMT

Revision 1 posted to Documents by tariq.ahmad on 2/13/2024 4:08:22 PM

Sony tried smart watches back in 2015 and quickly withdrew from the market. They do keep a line of wearables going, but only for the Japanese markets. What is it, and more importantly, what's inside?

www.youtube.com/watch

element14 Presents | About David | Project Videos | The Electronics Inside

Tags: smart band, sony, smart watch, Wearables, WENA

Apple Watch Series 3 Teardown -- The Electronics Inside 81

tariq.ahmad — Tue, 02 Jan 2024 22:37:40 GMT

Revision 3 posted to Documents by tariq.ahmad on 1/2/2024 10:37:40 PM

In this episode, David explores the inner workings of a 42mm Generation 3 Apple Watch, sent in by a viewer. The watch was damaged, specifically the screen or digitizer, presenting the perfect opportunity to take it apart and explore its internal components. The first step is to delicately lift the screen and digitizer assembly. This involves careful heating to soften waterproof seals and precise work to avoid damaging the glass.

Watch the Video:

www.youtube.com/watch

As we progress through the teardown, we gain insights into the design choices, such as the use of gold foil-like material for insulation and the need to heat the aluminum back for disassembly. We take a closer look at the Taptic Engine, understanding its role in providing vibrational feedback. The numerous screws and connectors showcase the watch’s meticulous engineering.

Throughout the teardown, David faces challenges reminiscent of the iPhone 3G assembly. Tiny screws and delicate parts must be handled with absolute precision. We uncover details about the Apple Watch's crown mechanism, which looks like it may have an optical sensor installed underneath for rotation measurement. The video provides a detailed tour of various components, including the battery, biometric sensors, and the Taptic Engine, highlighting the impressive miniaturization achieved in this device.

The teardown concludes with an examination of the motherboard, emphasizing the multitude of connections, ribbons, and the optical sensor for the crown. While some components remain adhered or shielded, David chooses not to destructively open the RF-shielded system-on-chip, acknowledging the repairability challenges. The teardown sheds light on Apple's design priorities, putting aesthetics above repairability, a characteristic synonymous with the brand.

element14 Presents | About David | Project Videos | The Electronics Inside

Tags: Electronics disassembly insights, Precision screw handling in teardowns, Aluminium back disassembly in smartwatches., Teardown of Generation 3 smartwatches, Apple Watch, Insights into gadget engineering, Internal components of smartwatches, Apple Watch teardown, Device repairability challenges, smart watch, Miniaturization in electronic devices, Wearable tech, Technical challenges in screen and digitizer replacement, Wearables, Haptic Engine functionality, Biometric sensors in wearables, Aesthetic vs. repairability in Apple devices, Apple Watch design examination, Waterproof seals in electronic devices

Apple Watch Series 3 Teardown -- The Electronics Inside 81

pchan — Tue, 02 Jan 2024 22:37:40 GMT

Current Revision posted to Documents by pchan on 1/2/2024 10:37:40 PM

Watch the Video:

www.youtube.com/watch

element14 Presents | About David | Project Videos | The Electronics Inside

Apple Watch Series 3 Teardown -- The Electronics Inside 81

tariq.ahmad — Tue, 02 Jan 2024 20:06:18 GMT

Revision 2 posted to Documents by tariq.ahmad on 1/2/2024 8:06:18 PM

Watch the Video:

www.youtube.com/watch

element14 Presents | About David | Project Videos | The Electronics Inside

Apple Watch Series 3 Teardown -- The Electronics Inside 81

tariq.ahmad — Tue, 02 Jan 2024 17:07:38 GMT

Revision 1 posted to Documents by tariq.ahmad on 1/2/2024 5:07:38 PM

After a kind donation to The Electronics Inside, we finally have some kind of basis for comparison for the Garmin Fenix 7 Solar! So, how different is it to the Apple Watch?

Watch the Video:

www.youtube.com/watch

element14 Presents | About David | Project Videos | The Electronics Inside

Tags: Apple Watch, smart watch, Wearable tech, Wearables

Sony QX-10: Phone-Mounted Camera Teardown -- The Electronics Inside-80

tariq.ahmad — Tue, 05 Dec 2023 16:17:51 GMT

Revision 1 posted to Documents by tariq.ahmad on 12/5/2023 4:17:51 PM

In this episode of The Electronics Inside, David tears down the Sony QX10 digital camera, a device that walks the line between a mirrorless camera and a smartphone accessory. Released around 2012-2013, the QX10 boasts NFC pairing and direct Wi-Fi communication with your phone, turning it into a powerful remote-controlled camera. The optical zoom feature, though a bit challenging to control, adds remarkable versatility, as demonstrated by David's visit to an ashram, capturing stunning shots with different devices.

Watch the Video:

www.youtube.com/watch

Not only can you use the QX10 as a standalone camera on your phone, but its Wi-Fi capability also allows you to remotely control it, making group photos or vlogging scenarios a breeze. The QX10 features a quick release for convenient positioning, a microSD card slot, and compatibility with Sony memory cards. David points out the absence of a flash, but highlights the camera’s overall versatility.

David, ever the teardown enthusiast, proceeds to disassemble the QX10, revealing its well thought out design. From interchangeable batteries to robust metal components, the device exudes durability. He uncovers details like optical image stabilization and the use of quality materials where physical buttons are present. The teardown not only showcases the internal components, but also emphasizes the device's repairability, a rarity in today's electronics.

As David delves deeper into the teardown, he marvels at the attention to detail in the manufacturing. He uncovers components like the Wi-Fi controller, storage controller, and various ICs, speculating on their functions. Despite the decline of point-and-shoot cameras in 2013, the QX10's unique approach as a phone accessory still resonates. David expresses a desire for a modern iteration with enhanced features, envisioning the potential of combining powerful phone sensors with an optical array.

In conclusion, this episode provides a comprehensive look at the Sony QX10, blending technical insights with David's signature enthusiasm for teardowns. The device's unique positioning and features make it a standout choice for those seeking a blend of smartphone convenience and professional-level photography.

element14 Presents | About David | Project Videos | The Electronics Inside

Tags: Electronic components breakdown, Remote-controlled camera technology, Electronic devices analysis, Sony QX, Teardown content, Wireless Camera, sony, Sony QX 10 exploration, camera, Teardown of the Sony QX 10, Advanced camera features, NFC pairing applications, Phone Camera, Technical teardowns

Sony QX-10: Phone-Mounted Camera Teardown -- The Electronics Inside-80

pchan — Tue, 05 Dec 2023 16:17:51 GMT

Current Revision posted to Documents by pchan on 12/5/2023 4:17:51 PM

Watch the Video:

www.youtube.com/watch

element14 Presents | About David | Project Videos | The Electronics Inside

Teardown of a 1972 Sanyo G-2607 Portable Briefcase Stereo System -- The Electronics Inside-79

tariq.ahmad — Tue, 24 Oct 2023 15:35:07 GMT

Revision 6 posted to Documents by tariq.ahmad on 10/24/2023 3:35:07 PM

Most people can remember or know what a boom box is (or was). But what did it's grandfather look like? Was it a revolutionary product, or just a few bits bolted together in a box? In this video, Dave takes us on a journey into the inner workings of a vintage Sanyo Portable Stereo Solid State Music Center from 1972. This portable music center was an all-in-one solution, featuring stereo speakers, a turntable, a stereo tuner, and a cassette deck. While it may seem a bit outdated by today's standards, Dave highlights the uniqueness and potential of such a device.

Watch the Video:

https://youtu.be/qpZqvlHezYc

One of the intriguing aspects is its battery operation, requiring a hefty 45 pounds of batteries to keep it running. Dave also points out the switchable voltage feature, which was quite specific at the time, considering the standardization of voltages in the EU.

The video explores the device's analog features, such as the analog gauge for battery and mic levels, and the retractable antenna – a feature seldom seen in modern electronics.

Dave dissects the device to discover its internal components and connections. He explores how this portable music center combines off-the-shelf components, raising questions about its integration and functionality. Dave also investigates the turntable, which appears to be direct drive, and the cassette deck with its interesting mechanics.

One noteworthy observation is that, despite the "stereo" labeling, the record player turns out to be mono. Dave goes on to speculate about potential modern upgrades, like Bluetooth connectivity or an auxiliary input, to make it relevant for today's music enthusiasts.

As he delves deeper into the internals, Dave encounters various PCBs and modules, questioning their origins and functions. He uncovers the amplifier and preamp circuits and explores how signals are routed within the device.

In the end, Dave ponders whether the reuse of standard components in this vintage music center is a testament to their durability and adaptability or a sign of repackaging. He invites viewers to share their ideas for modernizing this device for the 21st century and looks forward to potential future projects.

element14 Presents | About David | Project Videos | The Electronics Inside

Tags: Portable cassette deck, Analog music equipment, Stereo tuner mechanics, Antique music device, Analog gauge technology, 1972 music player, Vintage electronics exploration, Battery-powered music system, Vintage portable stereo, Vintage record player, Turntable mechanics, Retro audio revival, Sanyo music center, Music player disassembly, Retro audio technology

Teardown of a 1972 Sanyo G-2607 Portable Briefcase Stereo System -- The Electronics Inside-79

pchan — Tue, 24 Oct 2023 15:35:07 GMT

Current Revision posted to Documents by pchan on 10/24/2023 3:35:07 PM

Watch the Video:

https://youtu.be/qpZqvlHezYc

The video explores the device's analog features, such as the analog gauge for battery and mic levels, and the retractable antenna – a feature seldom seen in modern electronics.

element14 Presents | About David | Project Videos | The Electronics Inside

Teardown of a 1972 Sanyo G-2607 Portable Briefcase Stereo System -- The Electronics Inside-79

tariq.ahmad — Tue, 24 Oct 2023 15:08:39 GMT

Revision 5 posted to Documents by tariq.ahmad on 10/24/2023 3:08:39 PM

Watch the Video:

https://youtu.be/qpZqvlHezYc

The video explores the device's analog features, such as the analog gauge for battery and mic levels, and the retractable antenna – a feature seldom seen in modern electronics.

element14 Presents | About David | Project Videos | The Electronics Inside

Teardown of a 1972 Sanyo G-2607 Portable Briefcase Stereo System -- The Electronics Inside-79

tariq.ahmad — Tue, 24 Oct 2023 15:07:25 GMT

Revision 4 posted to Documents by tariq.ahmad on 10/24/2023 3:07:25 PM

Watch the Video:

https://youtu.be/qpZqvlHezYc

The video explores the device's analog features, such as the analog gauge for battery and mic levels, and the retractable antenna – a feature seldom seen in modern electronics.

Teardown of a 1972 Sanyo G-2607 Portable Briefcase Stereo System -- The Electronics Inside-79

tariq.ahmad — Tue, 24 Oct 2023 15:06:59 GMT

Revision 3 posted to Documents by tariq.ahmad on 10/24/2023 3:06:59 PM

Watch the Video:

https://youtu.be/qpZqvlHezYc

The video explores the device's analog features, such as the analog gauge for battery and mic levels, and the retractable antenna – a feature seldom seen in modern electronics.

Watch the Video:

Teardown of a 1972 Sanyo G-2607 Portable Briefcase Stereo System -- The Electronics Inside-79

tariq.ahmad — Tue, 24 Oct 2023 15:06:32 GMT

Revision 2 posted to Documents by tariq.ahmad on 10/24/2023 3:06:32 PM

Watch the Video:

https://youtu.be/qpZqvlHezYc

The video explores the device's analog features, such as the analog gauge for battery and mic levels, and the retractable antenna – a feature seldom seen in modern electronics.