I think the parts list has redundant parts #89

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opened 2025-07-08 08:36:08 -04:00 by AtHeartEngineer · 0 comments

Originally created by @jbrownkramer on 1/18/2025

Below is the first parts list on on the README. I started by going down the list and buying all of the things I didn't already have. However, the first link includes 2 URT-1 boards, which I believe serve the same purpose as the Motor Control Boards in the second link. At any rate, all of the videos I watched use the URT-1 board, and not the other Motor Control Boards. The URT-1 boards come with USB cables and the ports are not USB C, making the third link unnecessary. The URT-1s don't have a barrel jack power supply, making the fourth link unnecessary.

It would be nice to list the requirement of a six-volt power supply with leads, since that's something I don't have.

If the linked motor-controller boards are meant as alternatives, it would be nice to have some instructions for installing drivers, which I haven't been able to find.

Parts For Two Arms (Standard Teleoperation Setup):

Part Amount Unit Cost (US) Buy US Unit Cost (EU) Buy EU
STS3215 Servo1 12 $15 Alibaba 13€ Alibaba
Motor Control Board 2 $11 Amazon 12€ Amazon
USB-C Cable 2 pcs 1 $7 Amazon 7€ Amazon
Power Supply2 2 $10 Amazon 13€ Amazon
Table Clamp 4pcs 1 $18 Amazon 21€ Amazon
Screwdriver Set3 1 $6 Amazon 10€ Amazon
Total --- $241 --- 244€ ---
*Originally created by @jbrownkramer on 1/18/2025* Below is the first parts list on on the README. I started by going down the list and buying all of the things I didn't already have. However, the first link includes 2 URT-1 boards, which I believe serve the same purpose as the Motor Control Boards in the second link. At any rate, all of the videos I watched use the URT-1 board, and not the other Motor Control Boards. The URT-1 boards come with USB cables and the ports are not USB C, making the third link unnecessary. The URT-1s don't have a barrel jack power supply, making the fourth link unnecessary. It would be nice to list the requirement of a six-volt power supply with leads, since that's something I don't have. If the linked motor-controller boards are meant as alternatives, it would be nice to have some instructions for installing drivers, which I haven't been able to find. #### Parts For Two Arms (Standard Teleoperation Setup): | Part | Amount | Unit Cost (US) | Buy US | Unit Cost (EU) | Buy EU | |---|---|---|---|---|---| | STS3215 Servo<sup>[1](#myfootnote1)</sup> | 12 | $15 | [Alibaba](https://www.alibaba.com/product-detail/6PCS-7-4V-STS3215-Servos-for_1600523509006.html) | 13€ | [Alibaba](https://www.alibaba.com/product-detail/6PCS-7-4V-STS3215-Servos-for_1600523509006.html) | | Motor Control Board | 2 | $11 | [Amazon](https://www.amazon.com/Waveshare-Integrates-Control-Circuit-Supports/dp/B0CTMM4LWK/) | 12€ | [Amazon](https://www.amazon.fr/-/en/dp/B0CJ6TP3TP/)| | USB-C Cable 2 pcs | 1 | $7 | [Amazon](https://www.amazon.com/Charging-etguuds-Charger-Braided-Compatible/dp/B0B8NWLLW2/?th=1) | 7€ | [Amazon](https://www.amazon.fr/dp/B07BNF842T/) | | Power Supply<sup>[2](#myfootnote2)</sup> | 2 | $10 | [Amazon](https://www.amazon.com/Facmogu-Switching-Transformer-Compatible-5-5x2-1mm/dp/B087LY41PV/) | 13€ | [Amazon](https://www.amazon.fr/-/en/dp/B01HRR9GY4/) | | Table Clamp 4pcs | 1 | $18 | [Amazon](https://www.amazon.com/WORKPRO-Clamps-Woodworking-One-Handed-Spreader/dp/B0CQYDJWS8/) | 21€ | [Amazon](https://www.amazon.fr/dp/B08HW9VFM8/)| | Screwdriver Set<sup>[3](#myfootnote3)</sup> | 1 | $6 | [Amazon](https://www.amazon.com/Precision-Phillips-Screwdriver-Electronics-Computer/dp/B0DB227RTH) | 10€ | [Amazon](https://www.amazon.fr/dp/B08ZXVMVYD/) | | Total |---| $241 |---| 244€ |---|
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Reference: github/SO-ARM100#89