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A project log for Functional Portal sentry turret

Detects. Aims. Shoots. Talks! Complete functional replica, able to shoot water (for the summer) or airsoft pellets (for the winter)

ismael-barrosIsmael BarrosĀ² 10/26/2014 at 23:430 Comments

Very short weekend hack-a-ton. Small improvements, big fun.

First, 3D-printed an air vortex for the airsoft gun module. After some miscalculations and misprints, we got the thing to shoot like an evil bastard. Not very accurate and not very reliable, so a lot of space for improvement, but it's a solid first step.

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Marcos never knew what hit 'im.

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Next up, we integrated an HC-SR04 sonar distance sensor in the software, to improve the projectile trajectory calculations. Surprisingly accurate for the ridiculous cost.

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And of course we couldn't call it a day without some quality debriefing.

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