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Hackernoon

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How to Speed up Your Database so Your Business Doesn't Lose Money

  • Inefficient database performance can lead to user wait times and loss of customers, prompting businesses to invest heavily in optimization.
  • Database management systems market grew from $46 billion in 2018 to $103.2 billion in 2023, reflecting the importance of database efficiency.
  • Challenges in working with large databases include unoptimized structures, insufficient resources, poor data quality, scaling issues, and query bottlenecks.
  • Optimizing queries, improving architecture, and scaling can address database issues unless the wrong type of database is chosen.
  • Choosing a database tailored to the data type and system needs is crucial for optimal performance, e.g., relational databases, NoSQL databases, or time series databases.
  • Maintaining stable data processing speed involves optimizing queries, balancing indexing, planning for scalability, and monitoring performance.
  • Continuous architecture improvement, query optimization, and readiness for scaling are key for efficient systems handling billions of records.

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Embedded

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CrowPanel ESP32: A Versatile Solution for IoT Projects – Basic Operation (Part 1)

  • The CrowPanel ESP32 Display 1.28 inch is a compact and powerful IoT device that integrates graphic displays, wireless connectivity, and high performance.
  • It is based on the ESP32 microcontroller with a 1.28-inch color LCD, ideal for projects requiring small graphical user interfaces.
  • Equipped with a 32-bit dual-core chip, it supports 2.4G WiFi, Bluetooth BLE, and features like capacitive touch and custom buttons.
  • The CrowPanel supports various development tools like Arduino IDE, Espressif IDF, Lua RTOS, and LVGL library.
  • It finds applications in environmental monitoring, home automation, industrial processes, educational projects, medical devices, games, and rapid prototyping.
  • Advantages include full integration, ease of use, advanced connectivity, compact design, and availability of online resources.
  • The device features physical interfaces for components like custom buttons, rotary encoder, vibration motor, and buzzer.
  • Examples of programming include playing 'Happy Birthday' melody using the buzzer and testing WiFi connectivity functionalities.
  • The CrowPanel offers a versatile solution for IoT projects, combining hardware and software capabilities for diverse applications.
  • In the next part, the article will focus on exploring the device's display capabilities and creative opportunities for IoT projects.

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Dzone

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A Deep Dive Into Firmware Over the Air for IoT Devices

  • IoT devices combine hardware and software to collect and transmit data for various applications and networks.
  • These devices play crucial roles in asset tracking, infrastructure management, and industrial automation.
  • Companies managing IoT solutions need to monitor and update numerous distributed devices for optimal performance.
  • Firmware Over the Air (FOTA) enables remote device management and updates without physical intervention.
  • FOTA involves a client on the end device, which interacts with a cloud-based FOTA server for updates.
  • Key considerations for designing a FOTA client include efficiency, reliability, fault tolerance, and security.
  • The FOTA server manages campaigns, storage, and device updates to ensure seamless firmware upgrades.
  • FOTA protocols like LwM2M and HTTPS provide secure methods for firmware updates on IoT devices.
  • FOTA process includes triggering updates, downloading new firmware, verifying integrity, and executing updates.
  • FOTA is essential for IoT solutions to maintain device functionality, update features, and address vulnerabilities.

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Securitysales

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ESX 2025 OpenXchange to Spotlight Security Technology Disruptors

  • The 2025 Electronic Security Expo (ESX) OpenXchange Breakfast will bring together three thought leaders discussing artificial intelligence, Internet of Things, and monitoring transforming security.
  • Priya Serai, Matthew Wooten, and Darrin Reilly will present on how these technologies are disrupting the security landscape and providing new opportunities for organizational resilience and competitive advantage.
  • Priya Serai will focus on AI reshaping security by leveraging video surveillance for actionable intelligence. Matthew Wooten will discuss the collaboration between IoT and security for enhanced customer experiences, while Darrin Reilly will showcase monitoring technologies revolutionizing alarm dispatching.
  • ESX 2025 is scheduled for June 16-19 at the Cobb Galleria Centre in Atlanta, providing attendees with valuable insights into emerging security technologies. Access to the ESX event is included with certain pass types, offering discounts for group registrations.

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