A watchdog timer is a piece of hardware, often built into a Single Board Computer (SBC) or embedded PC that can cause a reset when it determines that the system has either hung up or is no longer executing the correct sequence of code. A properly designed watchdog mechanism should, at the very least, catch…

What is it and why I should care by Ray Franklin RoHS stands for Restriction of use of Hazardous Substances (ref. 1). The acronym is pronounced Rose, Roz, Ross, or is spelled out, depending on the speaker’s preference. RoHS is a directive issued January 27, 2003 by the European Commission (EC). It directs European Union…