These are high quality sealed Single Pole - Double Through (SPDT) relays. This relay's coil is rated for 5V. The nominal operating current is 72mA so it will need additional circuity to close the relay with a microcontroller like an Arduino or SBC such as a Raspberry Pi or BeagleBone Black.
Powered by the ULN2003 high current driver, this module gives you easy control of up to 7 relays using TTL logic from an Arduino, Beagle Bone, or Raspberry Pi. 5V, 12V, and 24V relay options.
RELAY GENERAL PURPOSE DPDT 8A 5V
The ROS SLAM is a programmable autonomous robot built on the Robot Operating System (ROS). It is controlled using a USB gamepad and the ROS Visualization (RViz) application.
100 pack of square cable tie mounts with adhesive backing. 1/2 inch.