
88 Chapter 5 • Building Strategies
RCXs, motors, and sensors are definitely not cheap, so your best option is to
install them in a way that makes them easy to remove without having to break
your robot down into single parts.
NOTE
One good reason to make your RCX easily detachable is that you must
be able to change batteries when necessary. The most common solution
is to keep the RCX at the very top of your robot—this way you can also
easily access the push buttons and read the display.
Loading the Structure
Even the most minimal configuration of a mobile robot has to carry a load of
about 300g (11 oz): the weight of one RCX (with batteries) and two motor ...