This is the initial construction of a catapult. The base on which we will place the rest of the robot. The goal of this construction is to give the catapult the ability to rotate.
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- FLLCasts Personal A Monthly
- FLLCasts Personal B One Year
- FLLCasts Team Six months
- FLLCasts Home Subscription
- FLLCasts School Student One Year
- FLLCasts School
Building instructions delivered to your device by buildin3d.com
- 01 Feb 2015
To construct this you will need
- LEGO Mindstorms EV3 45544 Education Core
- LEGO Mindstorms EV3 45560 Education Resource
Bill of materials (Parts list)
This video lesson shows a very interesting specific example on how to use the LEGO Mindstorms EV3 Ultrasonic Sensor. The sensor detects if the catapult is loaded or if we have just fired an element. At the end of the lesson I also offer an interesting challenge that you could use in your classroom or at home.
Part three of the Catapult series is about loading the catapult automatically. We use a gear system with a medium complexity along with a very interesting "clutch" developed with parts entirely from the LEGO Mindstorms NXT kits. As a result, at the end of the video, the Catapult automatically loads and fires.
Part four of the Catapult series is again about loading the catapult automatically but this time using EV3 brick, motor and sensor. We use a gear system with a medium complexity along with a "standard clutch" available in the LEGO Mindstorms EV3 kits. As a result, at the end of the video, the Catapult loads and fires automatically.