Category Archives: Tech News


Arduino ultrasonic radar

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Dejan Nedelkovski from How To Mechatronics has a very nice tutorial about making an ultrasonic radar using Arduino and Processing platforms. The project requires an HC-SR04 ranging sensor module mounted on a servo motor to scan the surrounding. The Arduino board control the scan position, as well as receives the ranging sensor output. The received echo data is post-processed on a computer using a Processing-based application and the radar signature is displayed on the computer screen. See this radar in action in the following video.

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EasyEDA releases a free, online gerber viewer

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EasyEDA is a free, cloud-based EDA application for drawing circuits, running SPICE simulations, designing PCBs, and even placing orders for fabricating PCBs. Now they have released an online Gerber viewing tool to visualize the Gerber files generated by a PCB CAD tool. The tool supports the Gerber RS-274X format, which is an industry-standard image description format for PCBs. The tool receives the Gerber files in a compressed zipped folder and performs a 2-D rendering to generate high-quality images of top and bottom sides of the PCB. The Gerber viewer also runs a simple design check in the background and displays some useful information about your PCB design, such as its dimensions,

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Great Cow Basic new release announcement

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Great Cow BASIC (GCB) is a BASIC compiler for Microchip and Atmel microcontrollers. It lets you to program in BASIC instead of having to learn assembly or C language and is completely open source! The GCB team has announced the release of Great Cow BASIC v.0.95.007, which has built-in support for Microchip’s latest Xpress Evaluation board and including a host of demonstrations for this board. The Great Cow Basic development team have published another release that further enhances the Great Cow Basic compiler capabilities. The Great Cow BASIC development team have published another release that further enhances the Great Cow BASIC compiler capabilities. Support for

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Microchip Announces a new Graphical User Interface Composer Tool

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Microchip announces MPLAB Harmony Graphics Composer, a free development tool for engineers to easily develop and design professional graphical user interfaces. Microchip Technology Inc. (NASDAQ: MCHP), a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, today announced the MPLAB® Harmony Graphics Composer (MHGC), a modern and flexible graphical user interface (GUI) composer tool. MHGC is a free development tool for developing GUIs for all PIC32 microcontrollers through Microchip’s Harmony Configurator and MPLAB X Integrated Development Environment (IDE). The software allows anyone to create branded content using the Harmony Graphics Library, in conjunction with their custom assets, to create GUIs

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EasyEDA: A free cloud-based tool for schematic capture, PCB layout, and circuit simulation

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I have been using Eagle CAD for many years now and it’s still my favorite tool for circuit layout and PCB designing. Eagle has been around for more than two-and-a-half decade, and during this time it has built an impressive set of component library, which is a huge time saver for PCB designers. Today, we live in a golden age of cloud-computing and the tools available to us now are more versatile than ever. A few weeks ago, I had an opportunity to try a new electronics design automation (EDA) tool called EasyEDA. It is a free web-based tool for

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