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Grasp

by GraspBionicHand, published

Grasp by GraspBionicHand Mar 2, 2017

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Thing Statistics

826Views 104Downloads Found in Robotics

Summary

This project pretends to get a bionic hand with a low cost and
good benefits. With a one high torque actuator by finger.

You have to pierce the holes with an M3 or M2 drill and some of that pieces you will have to file.

For this device you only will need:

4x union
4x phalanx gear
4x phalanx_1
4x worm gear
1x palm
1x wrist lead
1x upper lead
1x bottom lead
1x thumb

4 DC motors: Pololu micro metal gear motors 250:1 :

https://www.pololu.com/product/1095

4 worm metal gears modified with a prisoner screw and 4mm shorter, can be cutted with a dremell machine:

http://www.mootio-components.com/conjunto-sinfin-corona-modulo-1000-entradas-100-diametro-exterior-840mm_ref_017051.html#.WKrkZfk1-00

Or use the plastic ones!

Arduino Nano:

https://www.amazon.es/ATmega328P-Arduino-Compatible-versi%C3%B3n-mejorada/dp/B00Q6WTWGO/ref=sr_1_3?ie=UTF8&qid=1487594993&sr=8-3&keywords=arduino+nano

2 Pololu DRV8833 motor drivers:

https://www.pololu.com/product/2130

Micro servo motor: Tower Pro mg90s:

https://www.amazon.es/compatible-pi%C3%B1ones-metalicos-radiocontrol-robotica/dp/B01DZQT5UG/ref=sr_1_2?ie=UTF8&qid=1487594852&sr=8-2&keywords=servo+mg90s

Myo ware muscle sensor or other sensor to control it.

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