Boost Converter Switches Between Battery and USB Power
microcontroller - USB / Battery Switchover Circuit - Electrical Engineering Stack Exchange
USB Power Booster
MOSFET to switch between USB 5V and Battery (FT232RL,TLV755,SI2323DS — Parallax Forums
NX5P3001_Typical Application Diseños de referencia | Power Switch | Arrow.com
USB Power Switch and Filter | Zak's Electronics Blog ~*
power supply - USB and coin cell battery switching - Electrical Engineering Stack Exchange
Automatic USB Controlled Power Switch | Full Project Available
usb device - switch between battery and usb power no microcontroller circuit - Electrical Engineering Stack Exchange
USB Power Switch Module | The Pi Hut
USB Power Switch Module | The Pi Hut
batteries - Switching between USB power and single alkaline battery - Electrical Engineering Stack Exchange
Amazon.com: DZS Elec 5V-30V 1 Channel Wilde Voltage 0-24s Adjustable Delay Internal/External Trigger Relay Board with Timer Delay Conduction Delay Circuit Switch with USB to Micro USB Power Line : Electronics
usb device - switch between battery and usb power no microcontroller circuit - Electrical Engineering Stack Exchange
PJRC (Teensy) Forum
Amazon.com: SilverStone Technology 2.4G Wireless Remote Computer Power/Reset Switch, USB 2.0 9-pin Interface ES02-USB : Electronics
USB Power Switch - PiShop.ca
On/Off Switch for a USB-Powered Device : 4 Steps - Instructables
USB/Battery Switching Circuit
On/Off Switch for a USB-Powered Device : 4 Steps - Instructables
Power distribution switch for USB applications - EDN
Bidirectional Power Switch for Charger and USB-OTG Combinations | NXP Semiconductors
