LEGO micro:bit robot car
thingiverse
The STL file with a value of -0.1 indicates that horizontal expansion should be set to -0.1. This ensures hole alignment. It is recommended to use Cura 4 or higher versions for printing, or test the hole accuracy after printing with consideration of the horizontal expansion setting. The extension board used is Yurobot's NT315 5V Expansion Board. For more information, visit https://www.playrobot.com/microbit-parts/2055-microbit.html. Two 360 SG90 NT55 servos are required, which can be purchased at https://www.icshop.com.tw/product_info.php/products_id/26348. One USB power supply (NT45) is needed for each expansion board and micro:bit. For more information, visit https://goods.ruten.com.tw/item/show?21701035507269. A mobile power box (NT70) is also required, which can be purchased at https://goods.ruten.com.tw/item/show?21746334736444. Finally, a 18650 battery with 2600mA capacity (NT100) is needed. For more information, visit https://www.icshop.com.tw/product_info.php/products_id/8256.
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