SMARC (an acronym for “Smart Mobility ARChitecture“) defines a specification (pdf) for extremely compact and low-power Computer-on-Module (COM) solutions. SMARC modules use ARM, RISC or…
What kind of touchscreen is used on the HazPAC R9-8.4 computer?
The HazPAC R9-8.4 touchscreen integrates a flexible glass touch sensor that increases the durability and reliability of traditional resistive touch sensors. During the manufacturing…
Should I use an RTD or thermocouple to measure temperature?
There are several factors to consider when choosing a temperature sensor. A Resistance Temperature Detector (RTD) is typically a metal coil wrapped around a ceramic…
Why do I receive Certificate Errors on the Sealevel website?
Most users reporting this issue are using Windows XP and some version of Internet Explorer. The Sealevel website uses the latest methods of SNI (Server…
Are Sealevel optically-isolated inputs active high or active low?
It depends on how the input is wired to your application. An input is triggered when the input terminal and local common terminal of…
What is MIL-STD-1553?
MIL-STD-1553 is a military standard published in 1973 by the U.S. Department of Defense that defines the electrical, mechanical and functional specifications of the…
What is the difference between A/D resolution and A/D accuracy?
Resolution and accuracy are two commonly confused specifications for analog to digital conversions. Resolution defines the smallest increment of change that can be detected…
What is the difference between SeaLINK 820x and 820xFX digital I/O adapters?
Sealevel strives to minimize the impact of component obsolescence to our customers. When a component is discontinued by a vendor, Sealevels goal is to…
What is Automated Optical Inspection (AOI) and how does it improve Sealevel product quality?
Automated Optical Inspection (AOI) is an inspection technology used in the printed circuit board manufacturing process. AOI equipment is positioned near the end of…