White Paper: Beat the Heat: Thermal Engineering Solutions for Rugged Computing

  Beat the Heat: Thermal Engineering Solutions for Rugged Computing By Leah VanSyckel, Charlie Phelps, and Jeff Baldwin, Sealevel Systems, Inc For industries that require on-field computing for rugged operations in diverse, potentially harsh, environments, temperature poses a barrier. Computers must be able to withstand extreme operating temperatures. Since external thermal conditions cannot be controlled, […]

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White Paper: IIoT Power Supply Solutions

  Voltage Output Control, Device Communication and Data Collection By Leah VanSyckel and Greg Harrison, Sealevel Systems, Inc The following white paper reviews solutions used to make an IoT power supply monitoring and control device. It covers AC monitoring, output voltage control and operational feedback. It details techniques that created a dimmable, remotely operated lighting […]

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White Paper: Understanding and Harnessing Data States

  Data surrounds us, driving our decisions and determining a venture’s success. Making use of it effectively saves time, money and frustration. This white paper discusses the three categories of data — at rest, in motion and in use — as well as the cutting edge hardware and cloud software that can harness it. Download […]

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Test Report: USB to Serial Adapter Designs

  Impact of Architecture on Performance of USB to Serial Adapters “We were stunned at the performance differencebetween brands of multiport USB to serial adapters.”Design architecture is the critical element. Findings There is a significant difference in performance between the “Sealevel architecture” and “industry average architecture” for USB serial adapters. Performance testing of 8-port USB […]

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White Paper: Computer System Design for Critical Applications

  By: Earle Foster Careful upfront attention to computer system design will save field failures and headaches later “Industrial computer” is a widely used term that unfortunately can be quite ambiguous, often applied to computers that have little real advantage over commercial PCs but may outwardly appear “rugged”. However, there are many applications that need […]

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White Paper: Creative Custom Design Services Solve Problems

  By: Jeff Baldwin, Hardware Design Engineer Some of our favorite custom projects require solving problems by being creative and trying new things. The first step is always to carefully understand the problem, then formulate and test a prototype. Sometimes, a fundamental question needs to be answered before the real design work can begin. This […]

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White Paper: Eliminate the Risk of RS-485 Data Corruption

  By: Earle Foster and Jeff Hunter How-To Overcome the Perils of Moving Data via RS-485 I. Background and Objective The RS-485 communications standard was introduced in 1983 by the Electronic Industries Alliance (EIA) as a two-wire, half-duplex, multi-drop alternative to the point-to-point RS-232 interface. (Note: RS-485 can also be wired using 4-wires to enable […]

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White Paper: How To Make Ethernet Devices Wireless

  Table of Contents Introduction Current State of the Art Security Making a Wired Ethernet Device Wireless Site Survey Choosing Hardware Making it Work Scenario 1: Standard Access Point Scenario 2: Bridging two Networks Real World Application Example Other Resources Glossary   Introduction Until the advent of Wireless Ethernet, reaching certain locations with wired network […]

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White Paper: MIL-STD-1553 IP Cores – An Emerging Technology

  The MIL-STD-1553 serial data bus is widely used for control purposes in avionics, aircraft and space systems. Forty years since its release, 1553 is evolving from traditional integrated circuits (IC) to intellectual property (IP) cores integrated with Field Programmable Gate Array (FPGA) logic. The history of MIL-STD-1553, the advantages and requirements of 1553 IP […]

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White Paper: Power Tolerant Rugged Computing Systems

  By Earle Foster and Antonio Martin, Sealevel Systems, Inc. Designing a computer system capable of reliable operation in hostile, sometimes remote locations requires careful attention to detail. Wide operating temperature range, vibration tolerance, and elimination of moving parts and cables are all important considerations. In fact, these topics are widely discussed in industrial and […]

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White Paper: Structured Design of Electronic Medical Devices

  Electronics are a critical part of today’s medical device landscape as bio-engineers and other inventors capitalize on technological advancements in microcontrollers, sensors and specialized integrated circuits to solve problems. Breakthroughs in component miniaturization and wireless communication are fueling new work in both implantable devices and wearables for information delivery, diagnosis and even treatments. To […]

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White Paper: Using FPGAs to Improve Embedded Designs

  By: Greg Harrison and Earle Foster Field Programmable Gate Arrays (FPGAs) are semiconductor devices that are programmed after manufacturing to accomplish application specific functionality. FPGAs experienced rapid technology advancement in the 1990s, and today are found in a vast variety of products ranging from simple consumer items to highly complex military systems. The heart […]

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White Paper: Windows CE Development for RISC Computers Made Easy

By: Thomas Walters and Earle Foster Windows CE (a.k.a. Windows Embedded Compact), originally released in 1996, can be an attractive alternative to the full Windows operating system offering system designers the ability to control power, size and cost in a new product. For example, the run-time license cost of the CE operating system alone can […]

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