Overkill Edition Series

XNL LABUNO Overkill Edition

The XNL LABUNO Overkill Edition is an ‘expanded version’ of our XNL LABUNO USB.

Some of the features you have full control over with the LABUNO are:
– Pull-up resistors on the ‘reset-line’
– Enable/Disable RTS Reset
– Switch TTL communication between HW / SW
– VCC source selection
– High power LM3940 3.3V Regulator
– Full control over the serial pins
– Build-in support for ESP board (and communication)

Additional Features with the LABUNO Overkill Edition:
– Full access to ALL serial/UART pins
– Three onboard Ready to use Servo Ports
– I2C/OLED LCD Header Ready to use
– Onboard AVR/ISP Programmer using the
Arduino as ISP sketch.

Next to these (and more) features, the headers (next to the microcontroller) also ‘line-up’ 1:1 with the microcontroller pin-out.

NOTE:
This has it’s own ‘onboard’ USB to serial (TTL) chip (the CH340G), while the LABUNO does not have any USB controller/chip onboard. So if you prefer to choose your own USB->Serial chip, we would like you to recommend to check out the LABUNO instead. We also have the XNL LABUNO USB which is a bit more ‘subtle’ so to speak.

“Multi Pack” NOTE:
The (NON USB) XNL LABUNO download also contains a panelized version of the XNL LABUNO which includes two XNL Logic Monitors, an XNL ESP Direct Board, and an XNL WESP Board which means that it might actually be cheaper to order the panelized version (if your PCB Manufacturer allows pre-panelized boards) if you need or want all modules.

Download Size: 4.5mb

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Information

There isn’t much more to tell about the XNL LABUNO Overkill Edition which hasn’t already been said on the XNL LABUNO page and the XNL LABUNO USB page 😉

Except that the XNL LABUNO Overkill Edition is basically what it’s name already suggest: The Overkill Edition of the XNL LABUNO USB.

The XNL LABUNO Overkill Edition has features which are ‘overkill’ as in: You definitely don’t need them on a ‘daily use board’, however they can (and will) be darn handy whenever you have them ‘at hand’ when needed. Most of the time these features will indeed be ‘overkill’, but ironically this board did became the most commonly used board in our lab (next to the XNL STAR-3-MB).

The ‘extra circuits and connectors’ featured on the XNL LABUNO Overkill Edition aren’t even ‘that special’, but they are circuits/connectors which can and will save quite some time for many of us during ‘quick tests’ for example.

IMPORTANT TIP: If you're planning to redistribute this project/product or if you are planning to use it for any commercial purpose (if the license permits these uses of course), then it is highly recommended that you 'copy-paste' this License and store it along with your download(s) for future reference.

License

BY DOWNLOADING, INSTALLING, COPYING OR OTHERWISE USING THIS PROJECT, PRODUCT, FILES OR ANY PART THEREOF (AND THE RELATED DOCUMENTATION) FROM XNL FUTURE TECHNOLOGIES, YOU ON BEHALF OF YOURSELF, OR ON BEHALF OF ANY ENTITY BY WHICH YOU ARE EMPLOYED AND/OR ENGAGED AGREE TO BE BOUND TO THIS LICENSE AGREEMENT.

IMPORTANT
Do note that all sections/'chapters' bellow constitute the entire license and that they are 'interconnected'. This for example means that if there is a section about Closed Source/Binaries License, that this doesn't mean that the rest of the license doesn't to those binaries. It just means that that section is specifically aimed at those files, while the rest of the license (where applicable) is also 'in effect' for those binaries.

(Additional) License(s) in Project, Product or Download

This project, product, the files etc in this download/these download(s) contain (one or more additional) license(s).
When you download this project, product, files, download(s) etc, you agree that you will read the license(s) included in the download and it's files, projects, products etc and that you will delete 'the downloaded content' if you can't (or don't want to) agree to the included license(s).

These license(s) will most likely be present in one or more of the following ways:
- As license agreement/EULA window (in compiled software for example)
- As License 'embedded' into the documentation (like a datasheet for example)
- As additional license file which can be included into the Download (or archive file like a zip file).
- As as 'commented text' in source-code or as 'additional license file' in source code.

Don't worry, this license or these licenses will not be 'sneaky hidden' or hard to find, these licenses can be found in their expected or logical locations (as mentioned in the examples above).

Commercial Use Allowed

Commercial use of this project, product, it's files, download(s) etc is allowed, which means that you are allowed to use it for own financial gain, there could be however (additional) restrictions included in a license (or licenses) which is supplied (within) the project, product, download(s) etc which limits the extent of how (far/much) you are allowed to use it commercially. By using, downloading or otherwise using this project, product, it's files and/or download(s), you confirm that you will first check the supplied content/download(s) for additional licenses to see if there (additional) restrictions which limit the extend of the Commercial Use Allowed Permission Clause, before using it for commercial purposes in any way.

A project/product which for example does allow Commercial Use within your company or organization under certain (licensing) conditions but does not allow you to (re-)sell the project/product would be XEWA™. When you consult the XEWA™ License (which is provided with, and build-into XEWA™), you will find this (additional) license information and/or limitations in the 'included license'.

If the project, product, code, files etc don't include any (additional) license(s), then you are allowed to use this project, product, it's files, download(s) etc, in any possible way for commercial use (including (re-)selling it. If there however is an (additional) license included with the project, product, it's files or download(s) you hereby agree that you will also read that license and accept that license prior to using the project, product or file(s), and that you will refrain from using the obtained 'content' in any way if you can't (or don't want to) agree to the (additionally) included license(s).

IMPORTANT NOTE:
Make sure that you also consult the rest of the license(s) to see if clauses/rules like Attribution Required or ShareAlike for example apply, because even if you are allowed to use the product for any type of commercial use, it could still be that attribution required or ShareAlike 'rules' apply.

ShareAlike

Our ShareAlike Clause means that if you are are for example allowed to share/redistribute modified versions of this project, product, it's files, download(s) etc, that you have to share it under the same conditions as this original work.

Some examples of what this means for you:

  • If the rest of the license for example permits you to modify and then redistribute your own 'adaption/version' of this project, product, it's files etc, you would then need to comply with the following 'rules':
    • If this original project, product, it's files or download(s) etc are 'open-source' (provide source code/files with it), then your modified version can only be published/redistributed if you also supply your (adapted/modified) source code along with it.
    • This also means that you are not allowed to take a project, product etc with the 'ShareAlike Clause' in it's license from our website, modify it and then start redistributing or even selling it as 'closed-source' only.
    • You are not allowed to 'remove' clauses or 'rules' from the original license (just to give an example: You are not allowed to remove the 'Attribution Required' or the 'Commercial Use Not Allowed' clauses from your version/license).
    • You are not allowed to restrict the original license with additional clauses and/or rules of your own.

We can understand it if some developers/creators put a lot of effort in 'upgrading' existing works, but that they would not like our (for example) 'keep open-source also open-source on redistribution rules', but all I/we can say about that is: Sorry, but that's the 'game of this license'. If you don't like it, then just create your own stuff from scratch 😉

The ShareAlike clause (obviously) also remains fully enforced if you decide to redistribute unaltered versions, and thus the same 'rules and examples' as shown above would apply, but to the unaltered version/re-distribution.

Logo & Branding Copyright

XNL Future Technologies™, XNL TV™, XEWA™, TeamXNL™, System166™, The XNL Ft logo, The XNL Future Technologies logo, The XNL TV logo, The E-Series "Flamingo Logo", The XNL E-Academy Logo, The Overkill Edition Logo, The XEWA logo, The System166 Logo, The Sophie The Pigeon 8-Bit logo and others are trademarks or registered trademarks of XNL Future Technologies in The Netherlands and other countries. Other terms, project, product or brand-names and/or logo's may be trademarks of others.

XNL Future Technologies is not associated and does not claim to be associated with any company or product that might have been mentioned in their documentation unless explicitly stated otherwise.

Legal & Disclaimer(s)

SIMPLIFIED DISCLAIMER:
The use of our projects, products, schematics or other files is at your own responsibility and they are provided “AS-IS”, without ANY WARRANTY. Use of the content on or from our website(s) is 100% at your own risk. Please realize that most of the 'stuff' that we offer on our website is intended for the enthusiasts, and thus it is designed/meant to be adapted, expanded or adjusted for use in 'larger' projects. Or that it is meant as a basic guideline to get started on a project of your own. Some products that we used (or have used) internally in our company will be shared with the public so that others can enjoy these modules or products also. For all these projects, product, files etc goes: USE AT OWN RISK! Some projects or products that we use internally do not have build in security measures (like reverse polarity protection for example!), this is to keep the costs at internal (test) stages as low as possible or due to the fact that the product is intended to be used in only one particular way! Keep this in mind when using, building or even buying these projects or products. If you're not sure what you're doing or if you don't trust a certain product, schematic, sample or anything else: USE YOUR INSTINCT and DO NOT CONTINUE, If you DO want to continue working on or with the project, product, source-code, sample, printed circuit board, model, schematic etc: Again: AT YOUR OWN RISK. The same goes for using our software (either closed source or other included binaries): USE A YOUR OWN RISK.

OFFICIAL DISCLAIMER:
THE SOFTWARE, PROJECTS, SCHEMATICS, INFORMATION, SOURCE CODE, SAMPLES, FILES, 3D MODELS AND PRODUCTS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL XNL FUTURE TECHNOLOGIES BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE, PROJECTS, SCHEMATICS, INFORMATION, SOURCE CODE, SAMPLES, PRODUCTS OR THE USE OR OTHER DEALINGS IN THE SOFTWARE, PROJECTS, SCHEMATICS, INFORMATION, SOURCE CODE, SAMPLES AND PRODUCTS. XNL FUTURE TECHNOLOGIES ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS, IMPLIED OR STATUTORY WARRANTY RELATING TO ITS SOFTWARE, PROJECTS, SCHEMATICS, INFORMATION, SOURCE CODE, SAMPLES AND PRODUCTS INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. IN NO EVENT SHALL XNL FUTURE TECHNOLOGIES BE LIABLE FOR ANY DIRECT, INDIRECT, CONSEQUENTIAL, PUNITIVE, SPECIAL OR INCIDENTAL DAMAGES (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS AND PROFITS, BUSINESS INTERRUPTION, PERSONAL INJURY OR DEATH, MATERIAL, OR LOSS OF INFORMATION) ARISING OUT OF THE USE OR INABILITY TO USE THIS DOCUMENT EVEN IF XNL FUTURE TECHNOLOGIES HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. XNL Future Technologies makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication and reserves the right to make changes to specifications and product descriptions at any time without notice. The information contained herein may be of a preliminary or advance nature and is subject to change without notice. No license, whether express, implied, arising by estoppel or other-wise, to any intellectual property rights is granted by this publication. XNL Future Technologies software, projects, schematics, information, source codes, samples or products are not designed, intended, authorized or warranted for use in or as systems for applications intended to support or sustain life, or in any other application in which the failure of XNL Future Technologies software, project, schematics, information, source code, model, sample, files or product could create a situation where personal injury, death, or severe property or environmental damage may occur. XNL Future Technologies products, projects or samples are not designed nor intended for use in weapon systems, this applies to offense and defense systems. XNL Future Technologies projects and products shall never be used to cause harm to living creatures including but not limited to humans and animals. XNL Future Technologies projects and products shall never be used to cause damage to property of any kind. Any use of XNL Future Technologies projects or products to cause harm, death or damage in any kind is strictly prohibited.

XNL Future Technologies reserves the right to discontinue or make changes to its projects, products or files at any time without notice.

SAFETY-CRITICAL, MILITARY, LIFE SUPPORT, MEDICAL AND AUTOMOTIVE APPLICATIONS DISCLAIMER: XNL Future Technologies products, projects, samples, source-codes, documentation, tutorials, software or any other content is not designed for and will not be used in connection with any applications where the failure of such would reasonably be expected to result in significant personal injury or death (“Safety-Critical Applications”). Safety-Critical Applications include, without limitation, life systems or devices, health (monitoring) equipment, safety or security systems, equipment or systems for the operation of nuclear facilities or other “large impact” facilities. XNL Future Technologies products, projects, samples, source-codes, documentation, tutorials, software or any other content is not designed nor intended for use in government, military or aerospace applications or environments or in any other “high-risk” facility, location or environment.

PCB Order Instructions

This section explains the (recommended) ordering process and settings (at the PCB manufacturer) to order our circuit boards using our provided 'ready-to-use' Gerber (zip) files. We will first give a basic overview for the recommended PCB Manufacturer settings, so that the more experianced users can instantly find what they need, and after this 'settings overview' we will explain more in-depth how you can order our printed circuit boards (PCB's) using the files you can download for our projects, products and packages.

 

Recommended PCB Ordering Settings (Material, layers etc)

All our boards (unless otherwise stated) are designed for and should be ordered with the following settings:
(Base) Material: FR4
Layers: 2 Layer / Double-sided
PCB Thickness: 1.6mm
PCB Color: Choose whatever you like or stick to the 'official project/product color' 🙂
Outer Copper Weight: Use default of the website you're ordering (often 1oz).

When ordering from JLCPCB and using the zip file which has (JLCJLCJLCJLC) in it's name:
Remove Order Number: Click on [Specify a location]

 

How to use our files/downloads to order the circuit boards

To order the printed circuit board(s) included in this project, product or package you will first need to download and extract this project or product.

Our project and product folders will often contain several folders/directories, of which one of them should have a name similar to 'Gerber Files (For Ordering-Production)'. If the downloaded project or product only contains one printed circuit board (PCB) then you will often find two archives (zip files) within this folder.

One of these archives will have (JLCJLCJLCJLC) in it's name and the other won't, for example:
ProjectXNL.zip
ProjectXNL (JLCJLCJLCJLC).zip

NOTE: You will only need to use one of these files when ordering, not both. So please read along to find out how this works 🙂

My 'Gerber Files Folder' contains even more folders

If this is the case it just means that the project, product or package you have downloaded consists out of multiple circuit boards (or options/variations you can choose from), you should consult the documentation (or included text file(s) in these folders) of your project, product or package to find out which folder (or PCB's) you will need. Inside each folder for the different Printed Circuit Boards in the project, product or package we will still use the same 'file structure' where there will be two files per PCB (one having '(JLCJLCJLCJLC)' in it's name and the other doesn't).

 

My Gerber Files Folder only contains one zip file (per part/option)!

This is also a possibility, this just means that we did not created an additional 'Gerber file-set' with PCB's which have JLCJLCJLCJLC on them. We often choose to do this for boards which would be to small to actually place such texts, we will then just let it be up to JLCPB to place the production/batch numbers on them. So if there aren't additional zip files which have (JLCJLCJLCJLC) in their filename(s), then you should just use the zip file(s) which is present in the folder(s).


File difference explanation

  • The one which has "(JLCJLCJLCJLC)" in it's file name will have JLCJLCJLCJLC printed on the circuit board.
  • The one which does not have "(JLCJLCJLCJLC)" in it's name will not have JLCJLCJLCJLC printed on the circuit board.

 

Ordering anywhere else than JLCPCB

When you want to order anywhere else than on JLCPCB.com you should always just use the zip file which does not have (JLCJLCJLCJLC) in it's filename.

 

What does this JLCJLCJLCJLC on the PCB mean?

Well this 'piece of text' tells JLCPCB where they can/should place their (internal) manufacturing/production/batch numbers, which they use for handling your order internally. JLCPCB offers a free service where circuit board designers can specify where JLCPCB can place their 'internal batch/production numbers', this prevents issues where they would for example (accidentally) place these production/batch numbers on an ugly location and thus possibly ruin your 'precious silkscreen artwork' 🙂

 

Ordering from JLCPCB

When you do want to order at JLCPCB.com you have two options to choose from:

  1. Pay a bit extra on your order (currently around $1.54) and have JLCPCB remove their manufacturing/production code completely, in which case you should use the file which does not have (JLCJLCJLCJLC) in it's filename.
  2. Or instead use the file which does have (JLCJLCJLCJLC) in it's filename, in which JLCPCB will use the by us specified location to place the manufacturing/production/batch number(s). We will always (try to) place this text in the least noticeable location or where it would not 'mess' with the rest of our silkscreen design. To be extra clear: When using this option you will have a small 'batch number' printed on the location of your PCB's where we had placed the "JLCJLCJLCJLC marker", but it will save you a bit of money on your order.

IMPORTANT:
If you are ordering from JLCPCB and you are using the zip file which has (JLCJLCJLCJLC) in it's name, then you have to make sure that you search for the 'Remove Order Number' option when ordering your PCB and then select [Specify a location] at this option. Otherwise you might still end up with an 'factory batch number' on your PCB AND have the 'text' JLCJLCJLCJLC printed on it. So make sure that you select [Specify a location]

Price estimate at JLCPCB
Currently (at the time of writing this 'pre-configured order manual template') prices at JLCPCB per PCB Design are around 2$ to $4 if the board is 100x100mm or less, which will get you 5 copies of the board itself for this price. And if you order 10 of the same board you will often just have to pay $5 (so just $1 more for 5 extra boards). We use JLCPCB for nearly all our projects and products and we are very satisfied with their quality and production times. Ordering from JLCPCB is as simple as going to JLCPCB.com then 'drag-and-drop' your zip file (with the Gerber files) onto the page.

NOTE: The clickable links to JLCPCB in this section are not referral links

[NOTE: This project, product or package is not sponsored by JLCPCB or other possible PCB Manufacturers mentioned on this page]

 

Features

These are the main features of the XNL LABUNO Overkill Edition (when using the recommended components):

  • Onboard USB->Serial (TTL) Chip (CH340G)
  • More control over UART communication
    • Ability of Utilizing Flow Control
    • CTS and RTS are both accessible
    • Full access to all pins of the UART (via the CH340 chip)
    • On-board selection of using Hardware or Software Serial for both the MCU and ESP-Slot
    • Full UART/serial data monitoring with LED’s per pin
  • Onboard I2C/OLED LCD Port
  • Three Onboard Ready to use Servo Ports
  • Onboard AVR/ISP Programmer using the Arduino as ISP sketch
  • On-board option to turn the reset pull-up resistor on or off (10K by default)
  • Ability to choose the RTS function
    • Use to auto-reset the MCU on uploading
    • Use for RTS (flow control)
    • Disable RTS entirely (including auto reset)
  • 1:1 pin-out on the headers and the MCU
    • Which means that (when using the ATmega328) the pins/header on the board next to the microcontroller will ‘line-up’ exactly with the microcontroller itself.
    • Makes it easier to move your project from the LABUNO and breadboard to a soldered protoboard/perf board.
  • Most commonly used functions and protocols printed on the board itself.
  • Manual selection of board/MCU VCC
    • From UART/FTDI adapter
    • From external (2 pin header)
  • Powerful on-board 3.3V Low-Dropout Regulator
    • Using the LM3940
    • Input range of 4.5V to 5.5V
    • Short-Circuit protected (Built-in LM3940)
    • Built-in excess temperature protection (Built-in LM3940)
  • Full support for the ESP-8266-01 Module
    • On-board settings (jumpers) to communicate with the MCU via SW or HW UART.
    • Ability to use the ESP-8266-01 or XNL Wesp (with ESP-12E) WITHOUT a MCU and program it directly from the board as a standalone MCU.
    • Breakout Header to access the ESP’s most important I/O’s (Except CH_PD).
    • On-board Logic Level Shifter from 5V to to 3.3V (bi-directional using the BSS138)
  • Fully XEWA™ Certified

Bill Of Materials

Bellow you’ll find a list of the components you will need to build/make your own XNL LABUNO Overkill Edition

Required components list:
The checkboxes in this table can be used when you for example printed (or copy-pasted) this table so that you can ‘check-off’ the items which you have, have ordered or ‘are in’ (from ordering). The website does NOT remember/stores it when you ‘tick something off’ on this page!

XNL LABUNO Overkill Edition
Got It Quantity Part/Item Footprint/Size & Notes
1
 XNL LABUNO Overkill Edition PCB(0) Custom
2 0Ω Resistor 0805 (SMD/SMT)
1
 220Ω Resistor 0805 (SMD/SMT)
20 1K Resistor 0805 (SMD/SMT)
5
 10K Resistor 0805 (SMD/SMT)
1
 LED White 0805 (SMD/SMT)
10
 LED Blue 0805 (SMD/SMT)
1
 LED Green 0805 (SMD/SMT)
4
 22pF Ceramic Capacitor 0805 (SMD/SMT)
12 100nF Ceramic Capacitor(1) 0805 (SMD/SMT)
1
 470nF Ceramic Capacitor 0805 (SMD/SMT)
1
 33µF Electrolytic Capacitor(2) SMD or Through Hole
1
 12MHz Crystal HC-49/S (Mini)
1
 16MHz Crystal HC-49/S (Mini)
1
 CH340G USB to Serial chip SOIC-16/SOP-16
1
 DIP-28 Socket DIP-28 Standard
1
 ATmega328 MCU(3) DIP-28
1
 LM3940 3.3V Regulator(4)(5) DDPAK/TO-263-3 or SOT-223-3
2
 CD1206-S01575 1206 (SMD/SMT)
2
 BSS138 SOT-23 (SMD/SMT)
1
 1N4007 (Often Marked M7) Diode 1206 / SOD80C (SMD/SMT)
1
 MF-MSMF050-2 500mA(6) 1812 (SMD/SMT)
3
 Tactile Button (6mm) SMD or Through Hole
1
 CH340G USB to Serial chip 2.54mm standard pitch
1
 2x1M 90 Degree Male Pin Header 2.54mm standard pitch
7
 3x1M Male Pin Header 2.54mm standard pitch
3
 2x1M Male Pin Header 2.54mm standard pitch
5
 3x2M Male Pin Header(7) 2.54mm standard pitch
1
 4x2M Male Pin Header(8) 2.54mm standard pitch
1
 3x1F Female Pin Header 2.54mm standard pitch
1
 4x1F Female Pin Header 2.54mm standard pitch
1
 5x1F Female Pin Header 2.54mm standard pitch
2
 14x1F Female Pin Header 2.54mm standard pitch
1
 4x2F Female Pin Header(9) 2.54mm standard pitch
8
 Jumper (aka: Busbar / Shunt) 2.54mm standard pitch
15 Female USB-B PCB Connector PN61729/BERG Connector
Parts List Created With XEWA Enterprise 1.0
By: XNL Future Technologies

(1) Not all the listed components might be desired by your application, please consult the rest of the documentation before you decide if you want or need all of these components
(2) 33µF is the minimum specified by the LM3940 requirements, this value may be increased without limit. However it is very important to consult the LM3940 data sheet for ESR Limits and specifications for the LM3940!
(3) The XNL LABUNO Overkill Edition silkscreen (PCB Print) is designed to be used with the “standard” Arduino® UNO pin-out, but you are free to use any other MCU which is compatible with the pin-out of the ATmega328. For example the board is also compatible with the ATmega8 and the ATmega168 (and possibly others). Do note that the silkscreen might not be compatible with other MCU’s (functions like PWM, Analog etc could be on other pins for these MCU’s)!
(4) You could replace the LM3940 with a regulator of your own choice, do realize though that you then also might be required to use other capacitors for the Voltage/Low-Dropout Regulator (LDO).
(5) We recommend using the TO-263-3 package and that you solder it to the pane provided on our PCB for optimal performance, stability and temperature control.
(6) “Any” decent (and fast) 500mA Resettable fuse (PPTC) should be usable, we recommend a Hold current of 0.5A (500mA) and a MAX Trip current of 1A. You are also allowed to bypass the fuse (F1 on the PCB) entirely by shorting the two pads. Please do keep in mind when bypassing, that this fuse is present to offer some sort of protection to the UART cable and or host computer!
(7) When stock limitations apply, we suggest that you use two 3x1M headers for this connector.
(8) When stock limitations apply, we suggest that you use two 4x2M headers for this connector.
(9) When stock limitations apply, we suggest that you use two 4x2F headers for this connector.

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