Persisting to flash is a necessary evil for many embedded devices. Let’s take a look at some of the pitfalls and how they may be avoided.

Schematic reviews are a part of the hardware development cycle in many if not most, hardware development companies. Typically led by the electrical engineering team, it is easy to overlook design issues that will be important to the firmware team. This post tells of a few stories of design misses that I have made and puts some common lessons learned into a checklist for other firmware engineers.