Wokwi is an IoT and embedded system simulator for ESP32, STM32, Arduino, Raspberry Pi Pico, displays, sensors, motors and WiFi, run online in the browser. It also offers options for VS Code, CI and JetBrains, plus a classroom offering used by universities and organizations.
OneConverter is a free online service for converting PDF files and units of measure, intended for work, study and business. It offers file conversion, unit converters and PDF tools such as merging, splitting and compressing, and works on Windows, Mac and Linux with an internet connection.
A datasheet search service covering more than 900,000 electronic component datasheets from manufacturers. It offers technical specifications, electrical characteristics, package details and PDF documents for semiconductors, ICs, MOSFETs and other components, and allows checking equivalents with daily updates.
Math is Fun explains mathematics in easy language and offers puzzles, games, worksheets and an illustrated dictionary. It is intended for K-12 kids, teachers and parents, and covers topics such as times tables, data, geometry, numbers, money, algebra, calculus and physics.
Histology Guide is a digital platform for teaching students to identify cellular and tissue structures and how they relate to biological functions. It presents microscope slides in a virtual format for hands-on exploration of high-resolution microscopic specimens. It was developed by Robert L. Sorenson and T. Clark Brelje, and is accompanied by the Atlas of Human Histology.
Zperiod is an interactive periodic table covering 118 elements, with 3D atom models, ions, chemistry tools, and worksheet practice. It is presented as a desktop-only experience with an iPhone variant directing users to open it on a computer. Units include temperature, density, and energy.
The UIUC Airfoil Data Site is a collection of airfoil coordinates and airfoil related links. Its database covers applications from low Reynolds number airfoils for UAVs and model aircraft to jet transports and wind turbines, and includes over 1600 airfoils listed alphabetically by file name.
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OneConverter is a free online service for converting PDF files and units of measure, intended for work, study and business. It offers file conversion, unit converters and PDF tools such as merging, splitting and compressing, and works on Windows, Mac and Linux with an internet connection.
A datasheet search service covering more than 900,000 electronic component datasheets from manufacturers. It offers technical specifications, electrical characteristics, package details and PDF documents for semiconductors, ICs, MOSFETs and other components, and allows checking equivalents with daily updates.
Math is Fun explains mathematics in easy language and offers puzzles, games, worksheets and an illustrated dictionary. It is intended for K-12 kids, teachers and parents, and covers topics such as times tables, data, geometry, numbers, money, algebra, calculus and physics.
Histology Guide is a digital platform for teaching students to identify cellular and tissue structures and how they relate to biological functions. It presents microscope slides in a virtual format for hands-on exploration of high-resolution microscopic specimens. It was developed by Robert L. Sorenson and T. Clark Brelje, and is accompanied by the Atlas of Human Histology.
Zperiod is an interactive periodic table covering 118 elements, with 3D atom models, ions, chemistry tools, and worksheet practice. It is presented as a desktop-only experience with an iPhone variant directing users to open it on a computer. Units include temperature, density, and energy.
The UIUC Airfoil Data Site is a collection of airfoil coordinates and airfoil related links. Its database covers applications from low Reynolds number airfoils for UAVs and model aircraft to jet transports and wind turbines, and includes over 1600 airfoils listed alphabetically by file name.
