4 ms·
The hell? Batteries are not magic black boxes, that when disconnected, will be removed from this world only to be recovered at a pleasing time from a distant ga
by revelation 15y ago
The hell? Batteries are not magic black boxes, that when disconnected, will be removed from this world only to be recovered at a pleasing time from a distant galaxy back to you. They will continue to discharge, even if you completely disconnect them. Which is a stupid thing to do, because then the microcontroller drawing <~500mA won't be able to warn you of the impeding battery death.
- learc83 15y agoYou can get a microcontroller to draw far less than 500mA. There are plenty of microcontrollers that can spend most of their time in a low power sleep mode where current draw is measured in microamps.