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Showing results for tags 'batteries'.
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Hi Everyone, This is probably not a new idea but I have modified my Lego Technic power box to connect directly to a 9V power supply to save on batteries and to generate more power by being able to increase the voltage. I have uploaded the video to my YouTube channel I started 4 weeks ago. I like building heavy lifting cranes and needed more consistent power and also with the power supply I have I can measure the current too. Let me know if you found this useful. Rob
I have a problem with the tires; can't go neither forward or backward ? I need to know why ? and where to check to solve this problem ! I have another question, please : how to rechange the batteries when flat ? I thank you in advance for your help !