For soft power-off, we need to use the first overlay. Since we’ll be using GPIO3 also for powering off the system, we will add the following device tree overlay (dtoverlay) to /boot/config.txt ...

especially when made configurable through a simple text file as on the Raspberry Pi SBC platform. Continue reading “A Power Button For Raspberry Pi, Courtesy Of Device Tree Overlays” → ...

It’s the power architect’s job to translate this information into a comprehensible, high-level diagram ... the updated power tree once the pre-regulator and protection device are selected.

Explore the concept of safe operating area in power semiconductors. Understand how SOAs ensure device reliability and ...

They are often used to power small devices such as a calculator. This circuit diagram shows the same circuit, but uses circuit symbols to represent the cell, bulb and wires. To draw an accurate ...

You need the bonsai-tree-style Electree solar charger ... one for lower-powered devices such as smartphones, and one for more juice-hungry gizmos – tablets, for instance. There is also a ...