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MrkII TechSpider

A Medium cost, open-source, 3D printed, quadruped robot platform for researching and fun

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The MrkII TechSpider is an Low cost, open-source, 3D printed, quadruped robot platform.
The front is designed to be customizable for any type of module. There for the modules can be easily swaped. The cost for the whole robot is around €300. On the backside is a container for the microcontroller. This will change to a smaller version, or can be designed smaller, that depends on which controller you like to use.

The robot is designed for a minimum build area of 140x140mm
Used material is PLA with a 0.4 nozzle and 30% infill.

To prevent unnesesary copies and not up-to-date file, there for all files are central accessible on the link below:

https://github.com/TechSpiderbot/MarkII

Note: \under docs\ not all documents are finished  yet.

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TechSpider Front Distr PCB

JPEG Image - 5.62 MB - 08/09/2020 at 19:28

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TechSpider Backside Distr PCB

JPEG Image - 3.82 MB - 08/09/2020 at 19:28

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TechSpider NUCLEO-F411RE SHIELD PCB

JPEG Image - 4.35 MB - 08/09/2020 at 19:28

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TechSpider Front Connector PCB

JPEG Image - 4.02 MB - 08/09/2020 at 19:28

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TechSpider Leg Sensor PCB

JPEG Image - 4.83 MB - 08/08/2020 at 12:12

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TechSpiderbot wrote 08/28/2020 at 05:55 point

The caps help for now against weird movements from the servos by starting up, because the servos ask totally a high current when powering on from my power supply.

  Are you sure? yes | no

Jacob David C Cunningham wrote 08/29/2020 at 01:21 point

Oh man! I have that problem too haha, or at least while my ESP is binding to the WiFi it jitters the same as the blue led blinks then stabilizes.

  Are you sure? yes | no

Jacob David C Cunningham wrote 08/25/2020 at 19:41 point

man that thing is hot! haha, did you consider masses/moments on the servos? Seems like all your servos are the same size. The 4-legs is interesting, I'm guessing it is like a tripod where 1 leg moves a time?

  Are you sure? yes | no

TechSpiderbot wrote 08/28/2020 at 03:53 point

yes all servos are the same size except the coxa joint. It could be programmed like a tripod for walking. But giving it a learning algorithm can be interesting to see how it will evolve moving through obstacles.

  Are you sure? yes | no

Jacob David C Cunningham wrote 08/28/2020 at 05:04 point

I just noticed the caps, are those functional? Looks cool. The learning thing is interesting, I personally am looking into the obstacle thing myself. A house has irregular objects, some harder to detect than others vs. just a wall.

  Are you sure? yes | no

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