TortoBot Gamera - 4 DOF Quadruped Robot
by hkucs-makerlab, published
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This is a very easy to build 4 DOF quadruped robot. It is part of the experiment to use only one servo per leg to have locomotion of forward, backward, left and right turns. The result is quite well, so we release the models to share with the public . Hoping people are enjoy to make one.
The body two sides are servo holders for 4 low cost Tower Pro 9g servos. The body bottom is the chamber to hold one 18650 lithium ion rechargeable battery. To power up servos and the Arduino MCU board (such as uno, nano and pro mini) likely you will need a 3.7V to 5V step up voltage regulator. On the demo, we use GSTdruino which integrates everything on a single board. The head has space to put on a 5mm LED, but this is optional. Arduino sketch can be found on github
Tortobot was used in a STEM workshop we offered to primary and secondary schools. If you're insterested you can find the workshop material here to held same kind of workshop. The workshop taught students using MIT App Inventor to write an Android app to control Tortobot .
Adding a Bluetooth UART module for wireless remote control:
BOM for the Demo Built:
- 4 x Tower Pro SG90 9g Servos
- 1 x 3000mhA 18650 lithium ion rechargeable battery
- SPP-C Bluetooth UART or equivalent for Andriod phone control. Baud rate sets to 115200.
- XH2.54mm 2P wire and battery metallic spring
- M2x6 tapping screws
- 5mm LED and 330ohm resistor (optional)
tortobot-top-plate.stl is not needed, if you're not using GSTdruino
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TortoBot Gamera - 4 DOF Quadruped Robot by hkucs-makerlab is licensed under the Creative Commons - Attribution license.
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