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КПІ імені Ігоря Сікорського реалізує міжнародний проект з підвищення спроможності місцевих громад kpi ср, 01/15/2025 - 17:23

Found this disassembled smoking device in the car of a friend of mine. The battery itself even has a cross shaped vent on top of it. submitted by /u/NergoN123 [link] [comments]

It’s not difficult to drive an LED indicator from the AC line, but it requires many active and passive components. It also poses safety challenges. EDN and Planet Analog blogger Bill Schweber explains how engineers can replace LEDs with neon lamps to design AC power-on indicators while addressing modern design challenges.

Read full story at EDN’s sister publication, Planet Analog.

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• Use Light Bulbs as Current Limiters?
• When the AC line meets the CFL/LED lamp
• An LED ‘Filament’ Bulb: Not a Contradiction
• Gas Discharge Tubes: Old Protection in a New Bottle–Literally

The post How neon lamps can replace LEDs in AC-powered designs appeared first on EDN.

Efficient Power Conversion Corp (EPC) of El Segundo, CA, USA — which makes enhancement-mode gallium nitride on silicon (eGaN) power field-effect transistors (FETs) and integrated circuits for power management applications — has introduced the EPC91200, a fully configured motor drive inverter reference design that is said to deliver exceptional performance and flexibility for a variety of industrial and battery-powered applications...

Партнерство з Іnstitut Polytechnique de Paris kpi ср, 01/15/2025 - 13:21

Старий Новий рік можна зустрічати не лише в ніч проти 14 січня kpi ср, 01/15/2025 - 13:20

CNC (Computer Numerical Control) soldering is an automated process where soldering tasks are performed using a programmable CNC machine. It allows precise control over the soldering process, ideal for repetitive and intricate soldering tasks in electronic manufacturing. The CNC system guides the soldering tool along pre-defined paths to achieve accurate solder joints.

How CNC Soldering Works:

1. Design Input: The process starts with CAD/CAM software to create a digital design of the soldering task.
2. Programming: The design is converted into machine-readable G-code, which guides the CNC soldering machine.
3. Machine Setup: The soldering tool (e.g., soldering iron, laser, or ultrasonic tool) is mounted on the CNC arm.
4. Execution: The machine follows the programmed path, precisely applying solder to designated areas, ensuring consistent quality.
5. Inspection: Automated or manual inspection ensures solder joints meet required standards.

CNC Soldering Process:

1. Preparation:
   • Load the components and PCB (Printed Circuit Board) onto the machine.
   • Input the soldering design and settings.
2. Heating and Solder Application:
   • The CNC tool applies heat to the solder and component leads.
   • Solder flows to form a secure joint.
3. Cooling:
   • The joint is allowed to cool naturally or with cooling systems to solidify.
4. Quality Check:
   • Joints are inspected for accuracy and integrity.

CNC Soldering Uses & Applications:

• Electronics Manufacturing: Ideal for PCBs in consumer electronics, automotive electronics, and medical devices.
• Prototype Development: Rapid soldering of prototype boards with consistent quality.
• Aerospace and Defense: Precise soldering for high-reliability applications.
• LED Assembly: Used for accurate placement and soldering of LED components.
• Telecommunications: Efficient soldering of intricate circuit boards for communication devices.

CNC Soldering Advantages:

1. Precision: Ensures accurate soldering with minimal errors.
2. Consistency: Delivers uniform quality across all joints.
3. Speed: Automates repetitive tasks, reducing production time.
4. Scalability: Suitable for both small-scale and mass production.
5. Safety: Minimizes manual handling, reducing risks to operators.
6. Versatility: Compatible with various soldering tools and techniques, including laser and ultrasonic soldering.

CNC Soldering Disadvantages:

1. High Initial Cost: Significant investment in CNC machines and setup.
2. Complex Setup: Requires skilled personnel for programming and maintenance.
3. Limited Flexibility: Less adaptable to on-the-fly changes compared to manual soldering.
4. Material Compatibility: May not suit all types of soldering materials or components.
5. Maintenance Requirements: Machines need regular calibration and upkeep.

CNC soldering is a cornerstone of modern electronics manufacturing, combining efficiency and precision while offering cost-effective solutions for high-quality soldering needs.

The post CNC Soldering Definition, Process, Working, Uses & Advantages appeared first on ELE Times.

A Wi-Fi light switch is a smart device that allows you to control your lights remotely using a smartphone, voice assistant, or automation system. It connects to your home Wi-Fi network, enabling you to manage lighting from anywhere via an app or compatible smart home ecosystem.

Types of Wi-Fi Light Switches:

1. Standard Wi-Fi Switch: Replaces traditional light switches, offering basic on/off functionality remotely.
2. Dimmer Wi-Fi Switch: Allows you to adjust light brightness levels.
3. Multi-Way Wi-Fi Switch: Designed for controlling lights from multiple locations, such as at the top and bottom of stairs.
4. Touch Wi-Fi Switch: Features a sleek touch-sensitive panel for manual control.
5. Voice-Activated Switch: Compatible with voice assistants like Alexa, Google Assistant, or Siri.
6. Switch with Scheduling: Includes timers and scheduling features for automated lighting.

How Does a Wi-Fi Light Switch Work?

1. Connectivity: Connects to your home Wi-Fi network.
2. Integration: Controlled through a smartphone app or smart home system.
3. Signal Transmission: Commands are sent via Wi-Fi to the switch, triggering the connected lights.
4. Additional Features: May include energy monitoring, scenes, and integration with other smart devices.

Wi-Fi Light Switch Uses & Applications:

• Home Automation: Seamlessly integrate with other smart devices for automated lighting.
• Energy Efficiency: Optimize usage by controlling lights remotely.
• Enhanced Security: Schedule lights to mimic occupancy when you’re away.
• Convenience: Adjust lighting without needing to be in the same room.
• Customizable Ambiance: Use dimmer switches to set the perfect mood.

How to Use a Wi-Fi Light Switch:

1. Install the Switch: Replace your standard switch following manufacturer instructions (may require neutral wire).
2. Connect to Wi-Fi: Use the app to link the switch to your home network.
3. Configure Settings: Customize lighting schedules, dimming levels, and smart home integration.
4. Control via App or Voice: Use the app or a voice assistant for on-the-go operation.

Wi-Fi Light Switch Advantages:

• Remote Control: Manage lighting system from anywhere using a smartphone.
• Energy Savings: Optimize usage and reduce unnecessary energy consumption.
• Convenience: No need to physically interact with switches.
• Customization: Create schedules, scenes, and automations tailored to your lifestyle.
• Scalability: Expand your smart home system with additional switches and devices.
• Enhanced Aesthetics: Sleek designs complement modern interiors.

Wi-Fi light switches are a perfect blend of functionality, efficiency, and style, making them a great addition to any smart home.

The post Wifi Light Switch Meaning, Types, Working, Benefits & Applications appeared first on ELE Times.

Залучаємо до роботи нових партнерів kpi ср, 01/15/2025 - 11:54