Raspberry Pi Safe Reboot and Shutdown Button
Contributors:
bboyho
bboyho 
Resources & Going Further
For more resources, check out the links below:
- GitHub Repo
- eLinux.org Wiki: Wake from Halt - For certain versions, you can wake the Pi up by shorting pins together rather than disconnecting the power supply. However, caution is advised as these GPIO pins are adjacent to the power pins. You would want to solder a button to the pins to avoid accidentally shorting the power pins.
Need some inspiration for your next project? Check out the Pi AVR Programmer! We implement a shutdown code after programming and testing boards.
Raspberry Pi Stand-Alone Programmer
This tutorial will show you how to use a headless Raspberry Pi to flash hex files onto AVR microcontrollers as a stand-alone programmer. It also tells the story about production programming challenges, how SparkFun came to this solution, and all the lessons learned along the way.
Pi AVR Programmer HAT Hookup Guide
In this tutorial, we will use a Raspberry Pi 3 and the Pi AVR Programmer HAT to program an ATMega328P target. We are going to first program the Arduino bootloader over SPI, and then upload an Arduino sketch over a USB serial COM port.
Or check out some of these related tutorials:
Raspberry Pi 3 Starter Kit Hookup Guide
Guide for getting going with the Raspberry Pi 3 Model B and Raspberry Pi 3 Model B+ starter kit.
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Lumenati is our line of APA102c-based addressable LED boards. We'll show you how to bring the sparkle to your projects!
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This hookup guide will get you started with connecting and using the Pi Servo pHAT on a Raspberry Pi.