2 channel micro usb relay module is equipped with a stable usb to serial port chip and a microcontroller.
Relay switch box usb.
17 32 of 604 results for usb controlled relay arceli srd 05vdc sl c 1 way 5v relay module free driver usb control switch pc intelligent control 5v 1 channel 4 2 out of 5 stars 17.
It has one onboard 5v dc relays that can switch up to 2a load.
Then they make simple usb power switch ic chips that can be very handy to use for use.
Flexible use the relay switchbox usb is designed for anybody working in project dubbing or post production studios who needs visual confirmation of when a recording begins or ends.
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.
The relays are controlled by usb capable microchip pic microcontroller pic18f14k50 and come with built in firmware that supports simple commands to control relays and read relay status.
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.
Endgroup michael karas feb 28 16 at 15 12.