Amazon.com: Enokay Power Supply for Raspberry Pi 2 3 b b+ 5V 2.5A Micro USB Charger Adapter with On Off Switch : Electronics
Zero2Go Omini – Multi-Channel Power Supply for Raspberry Pi : ID 4114 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Smart UPS Supply for Raspberry Pi & Power Button from DIY stuff on Tindie
Shop - Raspberry Pi Power Button Pre-Soldered Assembly (2-Pack) - Howchoo
USB to 3 Pin / 4 Pin PWM Case Fan Adapter Connector Cable with ON Off Switch|Computer Cables & Connectors| - AliExpress
How to Add a Power Button to Your Raspberry Pi - Howchoo
Amazon.com: LoveRPi MicroUSB Push On Off Power Switch Cable for Raspberry Pi (Female to Male) : Electronics
How to add a reset button to your Raspberry Pi Pico - Raspberry Pi
Amazon.com: Raspberry Pi Power Supply, SoulBay 5V 3A Micro USB AC Adapter with 6Feet Long Cord for Raspberry Pi 3 2 Model B/B+ Pi A/A+ Zero, Android Tablet, Compatible with DC5V 2.5A
JST 2-pin Extension Cable with On/Off Switch - JST PH2 : ID 3064 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Raspberry Pi 4 Kit Hookup Guide - SparkFun Learn
Making a Reset Switch for your Rev 2 Raspberry Pi – RasPi.TV
gpio - Is there a way to add power button on RPI 2 Model B? - Raspberry Pi Stack Exchange