4 ms·
How are they powered?
by xorcist 12y ago
How are they powered?
- ChuckMcM 12y agoSimple way would be a couple of coin cells. ST Micro just released a CPU that draws only a few nanoamps when asleep and you can wake up, check the state of the world, and go back to sleep once per second for about 3 years according to the handouts at their low power seminar[1]. [1] http://www.st.com/web/en/seminar/stm32l0?sp_rid=NjkwODIzMzI3MDUS1&sp_mid=11322473 http://www.st.com/web/en/seminar/stm32l0?sp_rid=NjkwODIzMzI3...
- xorcist 12y agoThat's seriously impressive, although for the application I'm not entirely convinced I want to go around the house switching coin cells every few years in order not to set off the alarm (or worse).