What is the overhead imposed by the
millis() interrupt? And can we get rid of it?
The Arduino Pro Mini is a very minimalistic Arduino board with a small footprint. For this reason it is an ideal candidate for being used as the target board in a battery operated system. In this blogpost I’ll show you how to minimize power consumption and how to burn a new bootloader that saves flash memory, allows debugging, and fixes an annoying WDT bug.Continue reading
For a recent geocache, which is a tribute to the well-known Tetris game, I wanted people to solve a simple physical puzzle (as shown in the image above). As a reward they get a code that they can use to open a box. So, what do you have to do to make things work? And how do you make sure that you do not have to change batteries for the next 20 years?Continue reading