Useless. Why on earth would an on/off switch draw current? Plugged into my Pi, the Pi barely has enough juice to work and there isn't enough juice on the connected external drive to work and be recognized as connected. Remove the switch and voila, everything works again.
π Ultimate BBC Micro bit Sensor Starter Kit: Keyestudio 37-in-1 Box with Tutorial, Compatible with V1.5 & V2, Gift for Kids and Adults (Microbit Board Not Included)
11 Review
LAFVIN Super Starter Kit for Arduino R3 Mega2560 Mega328 Nano with Detailed Tutorial - Compatible with Arduino IDE
11 Review
π MCIGICM 2 Channel DC 5V Relay Module: Optocoupler Low Level Trigger Expansion Board for Arduino UNO R3, DSP, ARM, PIC, AVR, STM32, Raspberry Pi
11 Review
Vilros Raspberry Pi 4 4GB Complete Starter Kit - Black Fan-Cooled Aluminum Case for Heavy-Duty Performance
12 Review
MacBook Retina 13-inch (A1425, A1502) and π© 15-inch (A1398) Bottom Case Screw Set with Pentalobe Screwdriver
11 Review
36-Pack Black Rubber PC CPU/Case Fan Screws/Rivets Set for Computer
11 Review
Glarks 660 Pieces Phillips Assortment Motherboard
10 Review
Comprehensive 500pcs Laptop Screw Kit Set for π© IBM HP Dell Lenovo Samsung Sony Toshiba Gateway Acer
12 Review