Usb Powered Relay Switch

I m looking to control a mains powered light from a simple relay switch connected via usb to the computer.

Usb powered relay switch.

When the voltage drops below a threshold the switch will turn the light off. 2 channel micro usb relay module is equipped with a stable usb to serial port chip and a microcontroller. Sunfounder wifi relay usb dc 5v relay module smart home wireless switch controller with app ba applied to access control turn on pc garage door learning program 4 4 out of 5 stars 84 12 88 12. I ll show you how to build a dirt cheap usb powered switch.

Shop the top 25 most popular 1 at the best prices. Inline 5v usb on off power switch for arduino raspberry pi 18 5 cm 3 59 3 59 unit free postage. Numato s 1 channel usb powered relay module provides exceptional value for money. Usb cable with on off toggle switch power control raspberry pi arduino in black.

New usb hub expansion splitter with on off switch 4 port usb 2 0 multi hub black. Ever need to power on a device when your computer is on. The relay kit as both a 12v input i assume that is to actually power the relay coil as well as a connector that has pins for ground 5v and signal for each relay s1 s4. It has one onboard 5v dc relays that can switch up to 2a load.

1 16 of over 1 000 results for usb controlled power switch iot relay enclosed high power power relay for arduino raspberry pi pic or wifi relay shield 4 7 out of 5 stars 516. 2020 popular 1 trends in home improvement electronic components supplies automobiles motorcycles consumer electronics with usb relay switch and 1. The relay switch isn t even a usb device it s just a simple switch that requires the usb voltage to turn it on. It can use the serial port debugging software to send serial commands on the computer to control the opening and closing of the 2 channel relay.

The relays are controlled by usb capable microchip pic microcontroller.