Microcontrollers usually requirea watchdog timer to bring highcurrents or high voltages into a safecondition. Many microcontrollers havebuilt-in watchdog timers for this purpose.You may, however, ...

When talking about remote machines, sometimes we mean really remote, beyond the realms of wired networks that can deliver the Internet. In these cases, remote cellular access is often the way to go.

In many designs, the differentiator between a circuit that works “pretty well” and one that works “really well” is the addition of modest supervisory and support functions. It’s even better if these ...