Build the WatchPuppy
Keep your unattended computers working in the event of a software crash with this device that can reboot your modem, router, or other networking device when needed. You can also use the WatchPuppy as a remote monitoring device for temperature or voltages. This is an open-ended project that can be expanded to meet your specific needs.
Selected questions from past Q&A columns.
Need to brush up on your electronics principles? These multi-part series may be just what you need!