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  • Electrical Engineering tip: Opamp vs Comparator #circuitcellar #EE #ECE

    Op-Amp Versus Comparator (EE Tip #128) 17 Apr '14, 4pm

    So the op-amp looks like the perfect device to use as a comparator. But why then do there exist special-purpose comparator devices? Looked at from the outside, op-amps and comparators appear indistinguishable. Besides power connections, they both have “+” and “–” inputs and a single o...

  • Workspaces & Circuit Cellars 15 Apr '14, 7pm

    Workspaces and circuit cellars are where innovators design, hack, create, program, and debug electronics and new embedded systems. Here we feature interesting workspaces from around the world.

  • All Programmable #SoC Design 101 via @colinoflynn and @circuitcellar: #Xilinx #Zynq

    All-Programmable SoC Solution 08 Apr '14, 12am

    Anyone creating a complex, powerful digital design may want to turn to a single device that integrates high-speed processing and programmable logic. In Circuit Cellar ’s April issue, columnist Colin O’Flynn explores using the Xilinx Zynq Z-7020 All Programmable SoC (system-on-a-chip) ...

  • What my personal Hackerspace looks like #MakerMovement #HackerSpace #DIY

    A Personal Hackerspace in Lyon, France 12 Mar '14, 11pm

    Jean Noël Lefebvre, of Lyon, France, is the inventor of the Ootsidebox touchless technology, an innovative interface that enables adding touchless technology to an existing tablet. (Watch the Elektor.LABS video interview with Lefebvre to find out more about Ootside box and how it work...

  • The Future of Small Radar Technology

    The Future of Small Radar Technology 14 Mar '14, 1pm

    Directing the limited resources of Fighter Command to intercept a fleet of Luftwaffe bombers en route to London or accurately engaging the Imperial Navy at 18,000 yards in the dead of night. This was our grandfather’s radar, the technology that evened the odds in World War II. Today t...

  • Awesome mention of @osbridge and Portland's open source projects by Scott Garman in @editor_cc!

    Q&A: Scott Garman, Technical Evangelist 14 Feb '14, 1am

    Q&A: Scott Garman, Technical Evangelist Scott Garman is more than just a Linux software engineer. He is also heavily involved with the Yocto Project, an open-source collaboration that provides tools for the embedded Linux industry. In 2013, Scott helped Intel launch the MinnowBoard, t...

  • Talk 232 with android??? RS-232 Serial Adapter for Android Devices

    RS-232 Serial Adapter for Android Devices 02 Mar '14, 6pm

    The ANDROID-232 is a USB serial interface board that enables you to control legacy RS-232 devices from your Android devices. The board is well suited for POS, gaming systems, retail, hospitality, automation, kiosks, defense industries, lighting, or any other application requiring the ...

  • Here's the flow/heat meter using just temperature sensors

    Microcontroller-Based Heating System Monitor 29 Dec '13, 10pm

    Heating bills often present unpleasant surprises. Despite your best efforts to economise on heating, they list tidy sums for electricity or gas consumption. In this article we describe a relatively easy way to check these values and monitor your consumption almost continuously. All yo...

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