For an upcoming trip, I purchased a RAVPower USB power bank that claimed to support USB-PD over USB-C. To see what kind of battery life I could expect, I tested it with the Nintendo Switch using a Satechi USB-C Power Meter. as well as a generic USB power meter to test the USB-A ports.
I had picked up a Baytech MP power strip recently, and wanted to monitor it with MRTG. For $1, I got a Cisco DE9-RJ45 cable (blue). Because I’m lazy, I just cut it halfway and connected the relevant wires.
Based on this pinout.
I recently acquired an Alinco DR-135 radio with an integrated EJ-41U TNC unit. I decided to replace the TNC with an Argent Data Tracker3 T3-135 module. After installing the module, however, the TNC board would not power up. I measured the 5V line feeding the TNC module at around 3.5V. When I replaced the module […]
Netgear GS108T-200 I’ve got a number of these switches in use. They are quite handy as they do not require external power when PoE is available, and have some nice monitoring features. For a project, I needed to control a non-connected device in a location where I only had the switch and some other closed […]