Questions tagged [legal]

Questions regarding Legal issues in Electronics, like licensing, government regulations, certification, copyrights, and patents.

0
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4answers
195 views

Is using product circuit within my product legal?

I'm building a smart plug and I want a circuit to convert from 220vac to 5vdc so I'm using a charger circuit (image source) to deliver the 5vdc I need for the wifi module as it is with no changes ...
14
votes
1answer
1k views

Legal obligations when designing electronics

I'm planning on releasing a USB powered device, basically a AVR ATMega2560 µC with a FTDI FT232RL chip powered by USB-C. Although I'm comfortable with the safety of the device (has fuses, ferrite ...
0
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1answer
107 views

Registering IOT products across Europe based on NodeMCU

We've been designing some smart home devices and softwares in past few years and they've been sold in some countries in middle-east. Basically, they were combination of ESP, Arduino and NodeMCU boards ...
2
votes
2answers
896 views

Cuk topology patent

While searching for a good inverting SMPS topology, I stumbled across the Cuk topology which suits me perfectly by all means. The only thing that worries me is that unlike more common SMPS topologies, ...
0
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4answers
225 views

Does this appliance break UK safety laws?

Good evening. I recently purchased this active suction SMD pick-up tool from AliExpress: When it arrived, it seemed to work fine. However, when I opened it up (to investigate the feasibility of ...
7
votes
3answers
1k views

Is a valid USB VID/PID necessary for strictly embedded use of the Bus?

So the system of USB VID/PIDs as far as I understand it is to avoid conflicts between devices and the USB-IF is handling the distribution of these IDs and wants a fee if you need a VID and a ...
1
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0answers
131 views

Is it legal to design an open source AHB master?

Is it legal for open source cores to be compatible with the AMBA specification?
14
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3answers
2k 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 ...
5
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3answers
490 views

How often does EMC certification have to be repeated (especially in Australia)?

I realise that this may be largely legal in nature and may be off topic, but I think that the users of this site are most likely to be able to answer accurately, so I shall ask and risk being shot ...
1
vote
1answer
238 views

Is it legal to use a device's Bluetooth serial commands in one's project?

I'm currently making an android application that reads data from an hydrometer that sends it via Bluetooth serial. But when I connect to it, it doesn't send anything, probably expecting control ...
4
votes
1answer
267 views

Can I use the Omron G6RN relay where reinforced insulation is needed beetween coil input and switched circuit?

I want to use a relay to control 230V power to an electric motor. I'm considering using the Omron G6RN relay: http://datasheet.octopart.com/G6RN-1-DC24-Omron-datasheet-10910301.pdf According to the ...
1
vote
2answers
412 views

Why is only MOV allowed for surge suppression according to IEC 60950-1

IEC 60950-1 prescribes that if a surge suppressor is used in a primary circuit it "shall be a VDR". The document informs that a VDR is sometimes referred to as a "varistor or a metal oxide varistor (...
2
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2answers
58 views

Where can the detailed requirements for EU Low Voltage Directive compliance be found?

I'm designing an appliance that probably has to comply with the European Low Voltage Directive. I've been searching for a guide on how to design a product complying with this directive, but I haven't ...
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3answers
161 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 ...
8
votes
2answers
2k views

Kickstarter electronics and local regulations

There are some electronics projects on Kickstarter. For being successfull, they offer buying the product worldwide. I wonder how they are able to comply with all the local regulations, for example CE,...
2
votes
4answers
242 views

What's an industry standard in electrical engineering?

Context: One of my colleague is arguing I can't use one of my baseline equipment for a long lifetime (15years) product because it is not an "industry standard" and might become obsolete and ...
5
votes
1answer
169 views

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 ...
20
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2answers
25k views

Can Arduino be used in commercial products?

Is it legal for me to sell a product that's built with an Arduino? I know that it's open source, but does that mean I can sell my product for profit, or only for use in prototyping?
0
votes
2answers
441 views

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 ...
6
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2answers
151 views

Inspection/QA Criteria for Selling Electronics?

I'm a software developer who has recently taken up a penchant for home electronics and personal robotics. I'd like to start building a prototype for a small device that I would sell though a website, ...
11
votes
1answer
265 views

Is this LED fixture safe for use with its current fabrication?

My father is currently interested in investing into a Ukrainian LED fixture manufacturer, and after he bought home a sample, I'm scared. There are 94 LEDs paired up with diodes, all in series, ...
7
votes
2answers
1k views

Intel x86 and patent implications

It's been a long time since x86 was introduced (80386 for example was manufactured 27 years ago... Oh god I am old), so I wonder, what is stopping 3rd party companies from manufacturing x86-compatible ...
18
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3answers
9k views

FCC part 15 “must accept interference from other sources”: what does this mean?

I've googled around a bit and here are the interpretations I've found in non-authoritative sources: that the device is unable to filter out interference caused by other certified equipment that if ...
2
votes
4answers
219 views

Deciphering Portable Appliance Test results

All UK companies are required to perform yearly tests of all portable appliances used in the office, redundantly called "PAT tests". I've recently received my first test result sheet, and while all ...
14
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6answers
772 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 ...
5
votes
4answers
1k views

Legality of using HDMI connectors in non-HDMI product

I'm developing a product which needs an external 100ohm 100mbps LVDS connector. HDMI connectors would be perfect, especially because we could take advantage of the availability of cheap HDMI cables. ...
8
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1answer
3k views

Is there any reason for an electronics engineer to go for a professional engineering (PE) license?

Is there any reason for an electronics engineer to go for a professional engineering (PE) license? My understanding is that becoming a PE is only useful/necessary for architectural electrical ...
5
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2answers
704 views

Avoiding copyright violations when writing header files

Many manufacturers apply licenses to the header files they publish for their products. These files usually consist of a long list of #defines which are a correlation between the names and adjacent ...
9
votes
1answer
2k views

What certification is needed for electronic devices in Europe?

I am going to be selling my project, Super OSD. It has a 3 MHz SMPS PSU and an 8 MHz crystal oscillator, but is not intended to emit radio signals. Will it be necessary to get testing to sell in ...
6
votes
3answers
905 views

Copying evaluation board PCB layouts

On the one hand, PCB layouts are considered copyrighted information, and copying them verbatim is a bad idea for legal reasons. On the other hand, the PCB layout of an evaluation board is pretty much ...
6
votes
6answers
461 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 ...
28
votes
4answers
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 ...