Control your power outlets from the comfort of your sofa with this Raspberry Pi hack ...

The $30 PiSugar S Pr o features a 5,000 mAh battery and support for 5V/3A input and output as well as a GPIO button that can be used as a power button to turn a Raspberry Pi on or off.

The caps store just enough power that when the main supply is cut, a GPIO notices, tells the Pi, and it begins a shutdown sequence lasting about 30 seconds.

With Opto-pi, there is not an electrical connection between the Raspberry Pi and connected loads (motors, relay coils, etc.) or input signals. Opto-pi uses light to isolate the 8 digital GPIO pins.

The Raspberry Pi 3 Model B+ features 1 GB of LPDDR2 RAM, 40-pin GPIO expansion header, full-sized HDMI port, four USB 2.0 ports, a CSI camera port ready and waiting for the Pi camera module and a ...

How to maintain the time even when the power is off using the RTC function of Raspberry Pi 5. The time can be maintained even offline, which is convenient for remote monitoring etc.

The Waveshare PoE HAT emerges as a practical solution to these challenges, offering a way to power your Raspberry Pi 5 using just an Ethernet cable.

Posted in Raspberry Pi Tagged gpio, power supply, RPi ← Open Source Brushless Motor Controller Homebrew 68k Extravaganza → ...