Questions tagged [licensing]

For questions about licensing electronics or designing electronics with components that require a license.

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Do I need a license to use a USB-A plug on my power cable?

I want to make a product that has a power cable with a USB-A plug on it. There is no USB socket on the device, the cable just enters the device, similar to the HomePod mini. The idea is to instruct ...
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0 votes
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23 views

Labeling requirements for equipment using off-the-shelf 900 MHz ISM radio

Can anyone tell me or point me to an authoritative reference as to what external labeling is required for an industrial product that uses an off-the-shelf 900 MHz ISM band radio? I understand that ...
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1 answer
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USB usage restrictions

I find it quite hard to find any information on how to deal with legal issues concerning the use of USB online. I mainly have two question I cannot seem to find a definitive answer to. Is it required ...
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2 votes
1 answer
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Can anyone make a device that uses pcie?

As the title suggests, can anyone make a custom board that connects via a pcie connector? Do you need to purchase the rights/license to use it or is it all open to the public? For example my use ...
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1 answer
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Msg about opencore in Quartus programmer

I did some changes to a design in Quartus and in Qsys. Now when I load the design to my FPGA with Quartus programmer then I get a message about opencores and that there is unlimited time. The msg was ...
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14 votes
3 answers
3k views

CAN Bus Licensing

Looking around for possible solutions for long distance communication between multiple microcontrollers I found the CAN bus. However, it says that there is a licensing fee for any implementation of ...
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  • 143
1 vote
1 answer
87 views

What company and/or government permits/licenses are required when selling an electrical device in the United States?

Are there specific licenses that need to be on hand, or any permits that need to be signed by various parties, in the United States, when an electronic device is sold? If it's easier, if the device ...
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  • 309
3 votes
2 answers
2k views

Do I need a license to design IP cores with AXI interfaces?

Many IP cores especially from Xilinx have an AXI interface from ARM. (AXI, AXI-Lite, AXI-Stream, APB, ... are parts of AMBA - ARM's bus architecture). The AXI interface standard is free for download (...
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  • 3,797
1 vote
1 answer
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Is it illegal to transmit in the FM range for personal use

I am building an FM transmitter. It is going to be designed to transmit only for a short range of around 50 to 100 meters. My question is whether it is illegal to transmit signals in the FM band over ...
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  • 398
1 vote
3 answers
187 views

Can I share source code/software from Microchip through my website?

I've done some projects including bootloader for PIC microcontrollers. But all these are done by modifying official microchip codes. Also want to share official drivers and softwares. I want to share ...
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  • 87
5 votes
1 answer
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SD Card 4-bit Mode License

The Micro (STM23F4xx) I'm using happens to include a SDIO peripheral that is supposed to support the 4-bit parallel bus SD Card protocol. I'm aware that the SD Association holds patents on the ...
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5 votes
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How appropriate are the open source licences currently in use for inclusion of HDL cores in a commercial product?

HDL IP cores targeted towards ASICs, FPGAs or both are often very useful for adding functionality to a project quickly. Commercially licences cores are available from many sources for a range of ...
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1 vote
1 answer
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PCB/SoC component licensing restrictions

Let's say I plan on building a consumer electronic system (some electronic product). This system would have a PCB and a plethora of various components: LEDs, transistors, resistors, light sensors, ...
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  • 757
1 vote
1 answer
516 views

PMBus licensing

I have just (20 mins ago) started looking at the possibility of using PMBus in future products and have come across the PowerOne licensing issue (referenced by electronicdesign.com), but also other ...
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  • 815
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2 answers
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What make now that I have implemented a working prototype of my system?

I developed code for an Arduino board (Arduino Uno + Ethernet Shield and some sensor) and I am thinking to try to make some money by selling the resulting system. Is it legally possible make that with ...
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  • 275
6 votes
1 answer
2k views

License dilemma Texas Instruments Code Composer v5 for Stellaris vs MSP430

As I read the screenshot below, I have to pick the license for Texas Instruments' Code Composer Studio v5 as follows: option 4: to use with a LaunchPad MSP430 option 3: to use with a LaunchPad ...
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6 votes
1 answer
340 views

Minimal redistributable coregen output for command-line rebuilds

I'm building an SoC with my own soft-core, and I want people to be able to easily rebuild it using Xilinx webpack command-line tools. I'm using coregen's Clock Wizard to create a clock module, but ...
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14 votes
6 answers
857 views

Legality of Reverse Engineering

If there was a "law/legal" stack exchange site I'd post it there, but it's in its infant stages in Area 51. I'm a musician and an electrical engineering student. I've designed a modification to the ...
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  • 410
7 votes
1 answer
728 views

Texas Instruments Compiler

I am working with TI's CC2533 SoC Low Power RF I bought a few chips and assembled a few PCBs.. Using TI's debugger I confirmed that I can send and receive packets using the basic RF using the ...
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  • 2,124
10 votes
2 answers
230 views

Are reference designs assumed to be license free?

Can I use a reference design from a data sheet in a commercial product without attribution/licensing of any sort?
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  • 2,326
11 votes
4 answers
1k views

How do I detect open-source licence violations by companies?

Let's say I have an open source project with a license that prohibits commercial uses. Then comes along a commercial product with striking similarities in functionality/hardware. How would I go ...
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6 votes
6 answers
496 views

Creative Commons for physical objects?

Does anyone know if it is possible to file physical objects under creative commons or something similar? I don't want to make money off anything I make, I want to show the public how to make it and ...
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  • 209
28 votes
4 answers
1k views

Best licenses for Open Hardware

Can anyone give me a rundown of the various licenses that are well-suited to open hardware? I've designed a few circuit boards and would like to make them available for others to use, so I need to ...