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Gimbal motors are just a subset of all the BLDC motors there is. As suggested in previous chapters, when using high-torque ( currents > 5A), low-resistance (~1Ω) BLDC motors such as drone motors make sure your BLDC driver can support the currents necessary. <spanclass="simple">Simple<spanclass="foc">FOC</span>library</span> has been tested with several high performance BLDC drivers ([supported BLDC drivers list](BLDC_drivers)).
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Gimbal motors are just a subset of all the BLDC motors there is. As suggested in previous chapters, when using high-torque ( currents > 5A), low-resistance (~1Ω) BLDC motors such as drone motors make sure your BLDC driver can support the currents necessary. <spanclass="simple">Simple<spanclass="foc">FOC</span>library</span> has been tested with several high performance BLDC drivers ([supported BLDC drivers list](drivers)).
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For example, if we limit ourselves to the [Aliexpress DRV8302 board](https://bit.ly/2BZZ5fG) we will be searching for motors with the peak current lower than 27A and continuous current of 15A. Here are some motors that can fit in that category:
# Fabrication guide for <spanclass="simple">Simple<spanclass="foc">FOC</span>Shield</span>
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Here is a quick guide how to fabricate the Arduino <spanclass="simple">Simple<spanclass="foc">FOC</span>Shield</span> check the most [recent versions <iclass="fa fa-tag"></i>](https://github.com/simplefoc/Arduino-SimpleFOCShield/releases). Here we will showcase the two most recent releases of <spanclass="simple">Simple<spanclass="foc">FOC</span>Shield</span> v1 and <spanclass="simple">Simple<spanclass="foc">FOC</span>Shield</span> v2.
*Simple**FOC**Shield* v2.0 |[release v2.0](https://github.com/simplefoc/Arduino-SimpleFOCShield/releases/tag/v2.0) | 01/21 | - 3A in-line current sensing <br>- 5V regulator <br>- new pinout for hardware config
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*Simple**FOC**Shield* v2.0.1 |[release v2.0.1](https://github.com/simplefoc/Arduino-SimpleFOCShield/releases/tag/v2.0.1) | 01/21 | - reduced via size <br> - configurable range
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*Simple**FOC**Shield* v2.0.2 |[release v2.0.2](https://github.com/simplefoc/Arduino-SimpleFOCShield/releases) | 01/21 | replaced 7805(connected to 5V) with 7808 (connected to VIN) to be compatible with stm32 Nucleo-64
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## Fully assembled versions
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Order your own fully tested and assembled Arduino <spanclass="simple">Simple<spanclass="foc">FOC</span>Shield</span> from our [shop](https://simplefoc.com/simplefoc_shield_product).
# Fabrication guide for <spanclass="simple">Simple<spanclass="foc">FOC</span>Shield</span> <small><i>v1.3.3</i></small>
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Here is a quick guide how to fabricate the Arduino <spanclass="simple">Simple<spanclass="foc">FOC</span>Shield</span> [version <iclass="fa fa-tag"></i>V1.3.3](https://github.com/simplefoc/Arduino-SimpleFOCShield/releases)
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The price of the fabrication will highly depend of the number of boards and the companies you decide to use both as PCB manufacturers and the component suppliers. Here are two nice articles explaining how to approach the problem choosing the PCB manufacturer form [electronics-notes.com](https://www.electronics-notes.com/articles/constructional_techniques/printed-circuit-board-pcb/how-to-choose-right-best-pcb-manufacturer.php) and component supplier from [pcbonline.com](https://www.pcbonline.com/blog/How_to_Choose_a_PCB_Component_Supplier_165.html).
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But in most of cases it will always boil down to the price :)
This is probably the proffered choice for making this board in lower quantities. You can order the PCBs from your manufacturer, buy the components from your supplier of choice and solder the boards yourself. The board has been designed to be relatively easy to solder.
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### PCB fabrication
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## PCB fabrication and assembly service
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This option is a bit more complex to setup and organize but produces much better results. It is also even cheaper for larger quantities >100pcs.
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To order the boards, download the [<iclass="fa fa-file"></i> Gerber files](https://github.com/simplefoc/Arduino-SimpleFOCShield) and [<iclass="fa fa-file"></i> Bill of Materials](https://github.com/simplefoc/Arduino-SimpleFOCShield) and supply it to your manufacturer of choice. The gerber files include assembly and Pick and Place files already.
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The price for 100 pcs is around 1000$ on [seeedstrudio.com](https://www.seeedstudio.com/) if the PCBA Fusion option is chosen.
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This option is a lot simpler and produces much better results. It is also even cheaper for larger quantities > 50pcs.
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To order the boards, download the [<iclass="fa fa-file"></i> Gerber files](https://github.com/simplefoc/Arduino-SimpleFOCShield) and [<iclass="fa fa-file"></i> Bill of Materials](https://github.com/simplefoc/Arduino-SimpleFOCShield) and supply it to your manufacturer of choice. In my case, I'm using the [JLCPCB](https://jlcpcb.com/).
Order your own fully tested and assembled Arduino <spanclass="simple">Simple<spanclass="foc">FOC</span>Shield</span> from our [shop](https://simplefoc.com/simplefoc_shield_product).
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