(...) Plus there's a bunch of electronics components for 5V, which is hard to get from 4.5V, but easy from 9V. Jürgen (22 years ago, 3-Sep-02, to lugnet.robotics)
(...) IMHO this isn't valid anymore. There are cheap and effective components (e.g. from maxim) to supply any 3.3V or 5V device from any kind of battery, even from single 1.2 volt cells. And these devices are extremely effective and don't waste much (...) (22 years ago, 3-Sep-02, to lugnet.robotics)
