Picking a power source for the robot was the next big challenge. We need to run quite power hungry motors and we're planning on using a Pi4 so we need a decent battery capacity.
The first idea that sprang …
Batteries
Articles in the 2021 category
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A Bosch Power4All battery pack, this is the 4Ah battery pack. Motors
Obviously we need motors for our robot. The easiest option is to buy motors with a reduction gearbox already attached. This will reduce the speed but increase the torque (how "strong" the motor is).
One common and cheap option for motors, a bit small for my ambitions. There are a …
Starting Design
A few weeks ago now we started discussing ideas for what our robot might look like. I asked John to come up with some ideas and he was initially enthusiastic about drawing. His idea of a robot does seem to be mostly based around a somewhat boxy but humanoid form …