About a year ago, I started building wireless sensors that needed to run on a battery. I quickly found out however that this wasn’t going to be easy: A battery would only last for a few days, before it would be gone. Browsing around the internet, I learned about the fantastic work of Jean Claude Wippler of Jeelabs fame. JC has been working on wireless sensors for years and tackled the battery issue way before I did. So let me explain in my own way why you kill a battery in days and what you can/should do to fix this.
Why will a standard Arduino eat a battery in days?
Arduino separates itself from a bare ATMEGA from the hardware side of things are it’s form factor (allowing for the use of standard shields), standard USB interface, power regulation and some LEDs. Now some of these things that make Arduino hardware…
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