Fan speed controller with USB – Techfun.sk – At least the Arduino shop
USB to 5.5mm Barrel Jack 5V 2A DC Power Cable – Aussie Gadgets
USB Power Lead – Kitronik Ltd
Vention USB to DC 3.5mm Charging Cable USB A Male to 3.5 Jack Connector 5V Power Supply Charger Adapter for USB HUB Power Cable - AliExpress
USB Cable Resistance: Why your phone/tablet might be charging slow | Gough's Tech Zone
How much voltage can a USB slot provide? - Quora
1W/2W/3W/5W/6W USB Wall Charger in Car Charger - China Universal Charger, Car Adapter | Made-in-China.com
STN 5 Watt USB Plug-in Power Supply with UK Plug 5V DC 1A
Arduino Pro Mini 328 - 5V/16MHz (Sparkfun DEV-11113)
Ask Hackaday: Is The ESP8266 5V Tolerant? | Hackaday
USB Wall Adapter 5V 1A Output | Circuit Specialists
USB to TTL UART CH340 Serial Converter Micro USB 5V/3.3V IC CH340G Module - Newegg.ca
SinLoon 3.28ft USB 5V to DC 12V Converter Step Up Voltage Converter Power Cable,for Camera, Desk lamp, Speakers, Blue Tooth Headset, and Other 5V Devices.(5.5 x 2.1mm) : Amazon.ca: Electronics
Vention CEXBG USB to 3.5mm Barrel Jack 5V DC Power Cable 1.5Meter - EVERCOMPS TECHNOLOGIES LIMITED - The laptop repair Center Nairobi, Kenya