Ethernet cable testers are dime a dozen, but none of them are as elegant and multimeter-friendly as this tester from our Hackaday.io regular, [Bharbour]. An Ethernet cable has 8 wires, and the 9 ...

With that in mind, [sidsingh] has developed what we think is a very nice dedicated continuity ... cable faults, along with all the other modes. For an ostensibly single-purpose tool, this tester ...