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Thanks a lot everyone for the replies. I will be researching further on the boards everyone has recommended to see what I like. I did a small robotics workshop last semester, and we were given a cheap (and pretty sucky) arduino board. They also gave us a motor driver board to connect to the arduino board and motors. The dirver board and arduino board both used a 9V battery supply, but after around 30 minutes of usage, the battery used to drain out completely and the motors (pretty cheap and sucky motors, dont know the specs) no longer had the power to carry the entire bot (and the bot was pretty light too). Why did this happen? How do I know this won't happen for the bots I plan to make?Also, could someone narrow down what I should be looking for in the microprocessor? There are so many features and different companies and boards, it's all very overwhelming. Many of the bots I will be making will require me to manually control them, so I will need a good remote controller. Also, would I need to code the remote controller to work with it? Ex: when I press forward it should go forward, when I press back on RC it should go back etc.