Feed aggregator

Зібрання документів професора І.Д. Жукова kpi пт, 06/06/2025 - 23:44

Кубок Нескорених з футболу в КПІ ім. Ігоря Сікорського kpi пт, 06/06/2025 - 23:39

Візит Посла Ізраїлю до КПІ ім. Ігоря Сікорського kpi пт, 06/06/2025 - 23:33

Just Refurbished one of this that still has an atmega (old > 6 years). New screen, new socket, bigger battery. :) submitted by /u/titojff [link] [comments]

I will make the files available in the comments submitted by /u/Polia31 [link] [comments]

How likely is it that an AI system will be trained on incorrect information? Please consider the following example.

Thomas Edison achieved a lot of things during his lifetime, but now and then, he was off base. When Edison invited Nikola Tesla to see his new phonograph, and Tesla immediately saw room for improvements, Edison was enraged, and the two of them got into a lifelong feud. Edison’s conflict with George Westinghouse about DC versus AC for public electric power systems was another example where Edison went _______ (fill in the blank for yourself). I’ve read Edison biographies, which pointed out his strengths and his flaws, but those writings seem to have vanished from the internet. Writings today seem only to extol Edison almost as a deity.

I once read that when Edison was trying to choose a material for the filament of his electric light bulb, he was focused on what we would today call low-resistivity materials. Those filaments either didn’t work at all or had very short operating lifetimes. When he was told of Georg Simon Ohm and the fact of Ohm’s Law, Edison spurned that input and announced instead that he was not going to be limited by “Ohm’s silly law.” Eventually, though, he went to the carbon filament with its high resistivity and succeeded. Ohm’s law led him to that success.

Somewhere in the past, I came across a written item to the above effect about Edison, although recently, my trying to find that reference has been an exercise in futility (that deity thing again). However, something did come up during my searches, which I found very disturbing indeed (Figure 1).

Figure 1 Disturbing Google search results when trying to find a reference about Edison and his rejection of Ohm’s law.

When I entered a search term of Edison’s supposed “silly law” remark into Google, some of the search results that came up were full of stuff that was just plain, flat out, totally, utterly, and completely WRONG!

Please take a close look at the three images above and read them carefully. They are denials of the validity and applicability of Ohm’s Law. Vital concepts, as rudimentary as static resistance versus dynamic resistance and thermal coefficients of resistance, are simply ignored. At one point, we read “… the light bulb is not ohmic and does not behave like a resistor.”

The numerous mis-statements in these three screenshots are utterly appalling.

Now, consider some AI system getting trained with the inclusion of the above. That AI system is going to be capable of producing erroneous results. It is going to be capable of “hallucinating” and anyone taking those results as valid will have been grievously misled.

In spite of popular misconceptions and loads of public hype, AI doesn’t think. AI only regurgitates with formatting whatever can be found during its “training”. AI at its best is only an information retrieval tool, not a thinking entity with any level of judgment. Judgment still has to come from human brains.

Scary, isn’t it?

John Dunn is an electronics consultant, and a graduate of The Polytechnic Institute of Brooklyn (BSEE) and of New York University (MSEE).

 Related Content

• The real danger of artificial intelligence
• Is Generative AI Creating a New Three-Body Problem?
• AI vs. AI: Both Friend and Foe in Cybersecurity
• The Unchecked Specter of ‘Anti-Social’ Media

The post AI and the problem of misinformation   appeared first on EDN.

Infineon Technologies AG announced a collaboration with Typhoon HIL, a leading provider of Hardware-in-the-Loop (HIL) simulation solutions, to provide automotive engineering teams with a fully-integrated, real-time development and test environment for key elements of xEV powertrain systems. Customers working with Infineon’s AURIX TC3x/TC4x automotive microcontrollers (MCUs) can now use a complete HIL simulation and test solution using Typhoon’s HIL simulator for ultra-high-fidelity motor drive, on-board charger, BMS, and power electronics emulation, which provides a plug-and-play interface via the Infineon TriBoard Interface Card.

“Developers of xEV components including motor drives, battery management systems, on-board chargers, and DC-DC converters increasingly rely on Controller Hardware-in-the-Loop (C-HIL), on top of Software-in-the-Loop (SIL) and simulation-based approaches, to quickly achieve results and more rapidly iterate in both prototyping and test cycles,” said Christopher Thibeault, Director of Partner & Ecosystem Management Automotive Americas, Infineon Technologies. “With Typhoon’s proven real-time HIL platform, our AURIX customers can access a design and test environment that will help bring their automotive solutions based on dependable electronics to market faster.”

The solution offered by Infineon and Typhoon HIL includes any of several Typhoon HIL Simulators for real-time digital testing, a suite of testbed hardware and software tools, and the Infineon TriBoard Interface Card, which supports Infineon AURIX TC3xx and TC4xx evaluation boards and plugs directly into a single row of DIN41612 connectors on the front panel of the HIL Simulator. The solution streamlines validation workflows, expedites design and testing processes, and reduces development costs and complexity for customers. Typhoon HIL also offers an “Automotive Communication Extender” product for its HIL Simulator solution based on an AURIX TC3xx processor, which will provide an enhanced  communication interface that allows customers to connect to a larger number of heterogenous ECUs under test via CAN, CAN FD, LIN, and SPI protocols.

“We are excited to partner with a leader in the automotive integrated circuits market, to provide MCU developers with a platform for development and testing of AURIX-based controllers before hardware design is completed,” said Petar Gartner, Director of HIL Solutions, Typhoon HIL. “Our joint customers gain a competitive edge by accelerating their design and test operations while reducing costs, which ultimately translates to market advantage.  We look forward to this ongoing collaboration with Infineon.”

The post Infineon collaborates with Typhoon HIL to accelerate development of xEV power electronic systems using real-time hardware-in-the-loop platform appeared first on ELE Times.

BluGlass Ltd of Silverwater, Australia — which develops and manufactures gallium nitride (GaN) blue laser diodes based on its proprietary low-temperature, low-hydrogen remote-plasma chemical vapor deposition (RPCVD) technology — is now an approved supplier and has received its first order from the Indian Ministry of Defence’s Solid State Physics Laboratory (SSPL), valued at $230,000. The order is for development services for benchmarking the fabrication process of GaN-based laser diodes...

Pick and place equipment is instrumental in many facilities for raising overall output and reducing errors. However, electronics design engineers know that standardization and modularization are among the top requests from decision-makers who use or might soon use this equipment.

Here’s how design professionals can address those standards in pick and place equipment.

After failed efforts to standardize or modularize existing pick and place robots, people may think they should start from scratch to get things right. However, that is not necessarily the case if designers, engineers, and others involved with these projects focus on the most pressing issues and prioritize solving them.

That was the approach for a federal initiative working to improve the Department of Veterans Affairs prescription-fulfillment project. The initial aim was to use 20 modular units, each designed for a specific task.

However, those machines failed numerous tests, and the entity first involved in designing and installing them never finished the project. After assessing matters and implementing solutions, a robotics vendor improved the suction methods that allowed robots to pick up pills and installed funnels around each one to catch dropped pills.

The vendor also implemented technology to train the system to recognize new pill types and shapes, making it future proof. This example shows how electronics design engineers, who identify the most significant issues and determine the best solutions, can get meaningful results and save time and money.

Standard recommendations for training and maintenance

Industrial decision-makers can lengthen the usefulness of pick and place equipment by keeping it well-maintained and ensuring operators know how to use it. These assets are similar to other specialty machines that need ongoing oversight to perform reliably. For example, many laser cutters have auto-focus features and real-time monitoring. Those capabilities tighten quality control but do not remove the need for supervision.

Standardization occurs when managers create training processes, checklists, operator certifications, and other mechanisms to prevent costly mistakes. However, electronics design engineers can influence those resources by suggesting the content of the manuals, warranties, and materials people receive when purchasing pick and place machines.

These engineers can also create guidelines about when to perform specific maintenance measures and stipulate the conditions that may require more frequent maintenance. Those insights can help people standardize internal processes to optimize their equipment.

Traditional standardization opportunities come from purchasing equipment that meets specific industrial standards, such as those associated with pharmaceutical clean rooms. However, some companies purchase automated equipment from a single brand. Although that approach allows standardization, it limits future flexibility.

For instance, recent microelectronics shortages have required creativity to fulfill industrial automation plans. Challenges like this mean standardizing industrial processes may be the best option.

Pursue modularization to enable growth

Electronics design engineers may work for clients who want specific pick and place integrations that address current needs while anticipating future requirements. In those cases, standardization may become limiting, but modularization could create the flexibility required to meet new needs as they emerge.

S&S Activewear’s distribution center is a real-life application of that option. The company uses hundreds of autonomous mobile robots to bring items from shelves to workers. The upgrade saves the employees from time-consuming tasks, like walking up and down aisles to find the desired products.

Executives also recognized how pick and place equipment fit into their automation goals. Although picking was once largely manual, specialty equipment has optimized the task and boosted productivity. The company now has 50 modular picker workstations, increasing its initial amount by over 50%. Workers do all their picking there after robots bring them the goods. Additionally, workers place all the picked goods directly into shippable cartons, shortening the process.

This example shows the positive results that can happen when clients, designers, and other concerned parties focus on expansion potential from the beginning. Even if decision-makers are unsure how much their operations might grow, modular installations give them numerous options to implement later.

Increase pick and place equipment adoption

These suggestions can help electronics design engineers use their expertise and problem-solving strategies to encourage industrial leaders to bring pick and place machines into their facilities for the first time. The more decision-makers view automated equipment as aligned with their processes, the likelier they will be to use it.

Ellie Gabel is a freelance writer as well as an associate editor at Revolutionized.

Related Content

• Exploring the Future of Industrial Automation
• Different Sensor Technologies Behind Autonomous Mobile Robots
• Autonomous mobile robot (AMR) design revisited with AI algorithms
• Future of Manufacturing: How to Select Mobile Robots for Heavy Loads
• ‘Wi-Fi on Steroids’ Technology Allows Manufacturing Industry to Finally Cut the Cord

The post Standardization and modularization in pick and place equipment appeared first on EDN.

Devices Offer Industry-Leading 150 kV/μs CMTI, 400 kHz Bandwidth, and Low Minimum Gain Error of ± 0.3 %

Vishay Intertechnology, Inc. announced the release of its latest isolation amplifiers, the VIA0050DD, VIA0250DD, and VIA2000SD. These new devices offer enhanced performance for a wide range of industrial, automotive, and medical applications, where high precision, reliability, and compact size are critical.

The VIA series of isolation amplifiers are designed to deliver exceptional thermal stability and precise measurement capabilities. With a typical common-mode transient immunity (CMTI) of 150 kV/μs, these amplifiers provide robust performance even in harsh environments, such as heavy-duty motor applications. The low typical gain error of ± 0.05 % and minimal gain drift of 15 ppm/°C typical ensure calibration-free, precise measurements over time and temperature. Additionally, these devices offer a high bandwidth of 400 kHz, enabling faster measurements compared to traditional opto-based isolation amplifiers.

Each amplifier in this series also features low offset error and drift, reinforced isolation, and inbuilt diagnostics for simplified precision current and voltage measurements. The inbuilt common mode voltage detection prevents failures in current and voltage measurement applications, making these amplifiers particularly suited for demanding applications where reliability is paramount. This series is designed to be compatible with Vishay’s WSBE low TCR, high power shunts, ensuring superior performance across a wide temperature range from -40°C to +125°C.

The VIA0050DD is a capacitive isolation amplifier optimized for environments where space is at a premium and low power consumption is essential. It features a high common-mode transient immunity (CMTI) of 100 kV/μs minimum, ensuring reliable performance even in noisy environments. Its low differential input voltage of ± 50 mV makes it ideal for precision isolated current measurements in space-constrained applications, such as power inverters, battery energy storage systems, motor phase current sensing, and industrial motor controls. Similarly, with its wide differential input voltage of ± 250 mV, the VIA0250DD allows for isolated current as well as voltage measurements.

The VIA2000SD offers the highest signal-to-noise ratio (SNR) and bandwidth among the three models, making it the best choice for high-fidelity signal transmission in complex environments. Its linear differential input voltage in the range of 0.02 V to 2 V allows for precise isolated voltage measurements for applications such as bus voltage monitoring and uninterruptible power supplies (UPS).

The VIA series isolation amplifiers are designed to provide reliable, accurate performance across a variety of applications, including bus voltage monitoring, AC motor controls, power and solar inverters, and UPS. These amplifiers ensure accurate measurements across high voltage potential dividers and precision shunts, provide ease in monitoring of industrial motor drives, deliver robust performance in renewable energy systems, and maintain signal integrity in critical power systems.

The post Vishay Intertechnology Introduces New High-Reliability Isolation Amplifiers With Industry-Leading CMTI for Precision Applications appeared first on ELE Times.

I built this soundmaker from an old kid's electronics kit. It's based on "Experiment #32: The Space Gun" from: https://www.elenco.com/wp-content/uploads/2017/10/EP50-2.pdf it's an oscillator using resistors, capacitors and a transformer. submitted by /u/Useful-Bullfrog-730 [link] [comments]

The R&S UDS series of digital multimeters (DMMs) offers 5.5-digit and 6.5-digit resolution, with the 6.5-digit model delivering a basic DC accuracy of 0.0075%. Replacing the HMC8012, the UDS DMMs provide higher accuracy and an updated user interface to simplify testing.

Streamlining test workflows, UDS models can display up to three measurements simultaneously—such as DC, AC, and statistical data—on a 3.5-inch OVGA color display. They support voltage ranges up to 1000 VDC and 750 VAC, with a current capacity of 10 A.

With a wide range of measurement functions and remote-control interfaces, the multimeters are well-suited for troubleshooting, component testing, and system validation. They also fit well in teaching labs and production environments. In addition to 12 standard measurement functions, the units offer statistical and math capabilities. Interfaces include USB, Ethernet LAN, and IEEE 488 (GPIB) for SCPI-based control.

Configure and request a quote for the UDS digital multimeter using the product page link below.

UDS series product page

Rohde & Schwarz 

The post DMMs improve accuracy and usability appeared first on EDN.

Infineon’s radiation-hardened GaN HEMT is the first in-house manufactured device qualified to the Joint Army Navy Space (JANS) MIL-PRF-19500/794 specification—the highest quality certification issued by the U.S. Defense Logistics Agency (DLA). The company’s new family of radiation-hardened CoolGaN transistors is designed for mission-critical applications in on-orbit spacecraft, manned missions, and deep space probes.

The first three devices in the GaN lineup are 100-V, 52-A transistors with a typical RDS(on) of 4 mΩ and a total gate charge of 8.8 nC. Housed in hermetically sealed ceramic surface-mount packages, they are hardened against Single Event Effects (SEE) up to a Linear Energy Transfer (LET) of 70 MeV·cm²/mg using gold (Au) ions. Two of the devices, while not JANS certified, are screened to Total Ionizing Dose (TID) levels of 100 krad and 500 krad. The third device, also screened to 500 krad, meets the rigorous JANS MIL-PRF-19500/794 qualification.

Engineering samples and evaluation boards are available now, with the final JANS-qualified device set for release in summer 2025. Additional JANS parts will launch soon, expanding the range of available voltage and current ratings. For more information on Infineon’s rad-hard GaN transistors, click here.

Infineon Technologies 

The post GaN HEMT earns DLA-JANS certification appeared first on EDN.

The EA-BIM 20005 battery impedance meter from Tektronix uses electrochemical impedance spectroscopy (EIS) across 20 channels to characterize Li-Ion battery cells. With industry-standard interfaces and a compact 19-in., 3U form factor, it integrates easily into automated battery test systems.

EIS testing provides deep insight into cell quality. Offering broad-frequency capabilities from 1 mHz to 10 kHz and AC stimulus up to 10 A (peak-to-peak), the EA-BIM-20005 supports comprehensive analysis of battery cell behavior under varying conditions. It is well-suited for cylindrical, pouch, and prismatic cells.

Each of the meter’s 20 EIS channels is paired with a 4-wire PT100 temperature channel, enabling simultaneous tracking of impedance and cell temperature. An integrated DC power supply delivers up to ±1 A at 5 V for EIS measurements during cell charging and discharging. Included PC software offers built-in visualizations and analysis tools, while connectivity is provided via a USB port and two CAN bus interfaces.

Access the datasheet and request a quote for the EA-BIM 20005 battery impedance meter using the product page link below.

EA-BIM 20005 product page 

Tektronix

The post Multichannel impedance meter analyzes Li-Ion cells appeared first on EDN.

Two integrated gate drivers from ST provide programmable current control for driving three-phase brushless motors in consumer and industrial equipment. Operating from 6 V to 50 V, the STDRIVE102H supports single-shunt control, while the STDRIVE102BH handles three-shunt control—both configured via two analog pins. Each device can source up to 1 A and sink up to 2 A.

A simple resistor divider programs the gate-drive current, allowing the triple half-bridge drivers to control six external N-channel MOSFETs. This helps optimize power stage performance, including control of switching slew rate, without the need for discrete gate resistors. An integrated charge pump powers the three high-side drivers, enabling continuous on-time for the high-side MOSFETs.

To accelerate development with the STDRIVE102H and STDRIVE102BH gate drivers, the EVLDRIVE102H and EVLDRIVE102BH evaluation boards support field-oriented and six-step control, featuring onboard back-EMF sensing and inputs for position sensors. Standard headers connect to STM32 Nucleo boards, and the X-CUBE-MCSDK toolkit provides the necessary software and code.

The STDRIVE102H and STDRIVE102BH are available in 5×5-mm or 6×6mm QFN packages, priced from $1.20 each in lots of 1000 units.

STDRIVE102H product page 

STDRIVE102BH product page

STMicroelectronics

The post Motor gate drivers enable flexible current control appeared first on EDN.

Comtrend’s PM-1540 powerline data module uses MaxLinear’s G.hn (data-over-powerline) chips to support backend communication in EV charging stations. It transmits data from power meters over existing electrical wiring, eliminating the need for dedicated communication cables, and can also extend connectivity to backend systems in data centers or smart parking environments.

By leveraging existing electrical wiring, the PM-1540 delivers lower latency, higher speeds, and more stable performance than conventional methods. It enables real-time connectivity while reducing costs compared to LAN, Wi-Fi, or 4G systems. The module supports up to 250 nodes within the same powerline domain and transmits signals over distances up to 700 meters, with up to 16 levels of signal repetition for extended reach.

MaxLinear’s G.hn baseband processors and analog front-end chipsets provide reliable, low-latency connectivity over existing wiring, delivering physical data rates up to 2 Gbps with full ITU compliance. Their support for Quality of Service (QoS) and broad media compatibility—including powerline—makes them well-suited for EV charging infrastructure, enabling seamless interoperability and cost-effective deployment.

For detailed information on Comtrend’s PM-1540 G.hn powerline module, click here. An overview of MaxLinear’s G.hn solutions can be found here.

Comtrend

MaxLinear

The post Powerline module enables EV charger data links appeared first on EDN.

Пам’яті Старостіна Максима Олександровича KPI4U-1 чт, 06/05/2025 - 16:50

📰 Газета "Київський політехнік" № 23-24 за 2025 (.pdf) Інформація КП чт, 06/05/2025 - 16:40

КПІ ім. Ігоря Сікорського — Почесний освітній партнер Huawei kpi чт, 06/05/2025 - 15:18

According to a report by Nikkei, Renesas Electronics Corp of Tokyo, Japan is abandoning its plans to produce silicon carbide (SiC) power semiconductors for electric vehicles (EVs), due to slowing growth in the EV market — coupled with a supply glut driven by increased production from Chinese manufacturers — that has led to falling prices...