In the 2023 National Electrical Code a permissive rule introduced a new branch circuit rating of 10 amperes. This has raised some questions about what size conductor would be required and where the 10 ...

Well-known industry author and instructor Jim Johnson is offering a new video for technicians who want to sharpen their troubleshooting skills. "This HVAC training video program, is available in DVD ...

In a rare slip-up, the US Federal Communications Commission (FCC) accidentally published confidential iPhone 16e schematics, ignoring Apple’s explicit request for secrecy. The 163-page PDF briefly ...

Andy recommends favorite resources for basic op amp circuits and includes a portion of TI's AN-20. Test your knowledge with our op amp quiz; answer explanations are included. By 1969, a fledgling ...

Packing three vintage Marshall-inspired modes plus a preamp enhancer inspired by the AC/DC guitarist's not-so-secret secret sauce, the Heatseeker is a formidable drive and tone shaper for rock guitar ...

Figure 1 Schematic diagrams of two superconducting flux qubit circuits. The conventional qubit (a) requires an external magnetic field to operate optimally, while the new flux qubit (b), using a ...

Ever found yourself tangled in a mess of wires and components, struggling to create a clear and intuitive wiring diagram? If so, you’re not alone. Many electronics enthusiasts face this challenge, ...

Crazy Tube Circuits has released a limited edition twist on its Unobtanium preamp/overdrive pedal, the amp-in-a-box drive twofer that has a Klon-style drive on one side, and two Dumble tube amp ...

The Maharashtra State Board of Secondary and Higher Secondary Education has clarified that students will no longer lose marks for using a pencil instead of a pen to draw diagrams in Marathi, English, ...

When a London man discovered the front left-side bumper of his Toyota RAV4 torn off and the headlight partially dismantled not once but twice in three months last year, he suspected the acts were ...