In MCU-based projects, this design uses a single push button to switch on and switch off 5-V and 15-V supplies in sequence.

I love the idea of a fully automated smart home setup where my lights turn on exactly when I need them, and the thermostat adjusts itself without me even thinking about it. In practice, however, there ...

I have an Adafruit Feather RP2040 RFM95 connected by USB to a Linux PC running Ubuntu 25.10. If I hold BOOT (grounding QSPI_CS) and press RESET on the RP2040 board, it boots into the mass-storage ...

Arduino is also launching a Qualcomm-equipped Uno Q that functions as a single-board computer and microcontroller. Arduino is also launching a Qualcomm-equipped Uno Q that functions as a single-board ...

Apple jumped onto the AI bandwagon with the release of iOS 18.1 and the introduction of Apple Intelligence. Since then, the company has been expanding the abilities of Apple Intelligence, with new ...

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Learn how to easily adjust the contrast of a 1602 LCD display using Arduino. In this quick tutorial, I’ll show you a simple trick to control the contrast electronically, without relying solely on the ...

Running out of GPIO pins? Learn how to connect multiple buttons to just one Arduino pin using clever wiring and resistor techniques. Perfect for compact projects, keyboards, or when using small boards ...

The iPhone 16 introduces a new camera control button that redefines how users capture and create content. Powered by the advanced capabilities of iOS 18, this feature is designed to meet the needs of ...

The first thing I did upon unwrapping my new iPhone 16 Pro in November was put it in a case. Specifically, I got Apple’s own Silicone Case because it promised to be precisely engineered to protect ...

The Camera Control packs in a lot of features, and they’re a little fiddly. Image: D. Griffin Jones/Cult of Mac The new Camera Control button on the iPhone 16 lineup opens the Camera app, takes ...