bee2gee,
Also, what you are offering sounds like a commercial endeavour, using open source IP. Do you plan to share your innovations back with the community? I really hope you have the iSpindel team's blessing...a lot of people have put a lot of time into the development of that code and selling that without permission is not cool. From ispindel.de:
license
Any commercial reproduction or use is prohibited in principle. Applicable patents are violated.
All rights reserverd, any commercial use is violated and patents.
When we are talking ABN, invoices and warranties, smells pretty commercial...
Due to not supplying batteries, weights aren't being included, they are also very cheap on eBay if needed. This PCB does sit quite close to 25 degrees with battery by default. If you do calibrate them at different SG values and update the calibration for the device, balancing may not be absolutely important given relatively close figures 22-28 degrees with good calibration.
100% agree with doing things in an open source manner. I am working on a site at the moment which will provide links to the various open source components which are in use, nothing is closed source. For example, if people wish to use the same boards I am and order them, everyone is very welcome to:
https://www.pcbway.com/project/shareproject/New_iSpindel_PCB_2_1__new_TP4056_module_.html
Using the above ensures that Cherry Philip receives a small commission for his work and contribution whilst still making it available to anyone and everyone. Yes you can download the Gerbers and print your own, import, modify, make it yours, essentially the work we've done together is there for the community to use if they wish to.
The intention for me at least is to provide a local supply of kits and provide a build service if people don't have the equipment or time to do so. I am certainly not charging for, reproducing or modifying their software (Intellectual Property), only providing means for someone to be part of the project and a device where the software/firmware can be flashed onto. I personally don't feel by providing the means to use iSpindel that there would be any issues with the Open Source License, being a one stop shop, so to speak, versus; one of many AliExpress retailers, Jaycar, PCBWay/PCBS.io, people who offer 3D printing. The end result is similar, people are paying commercial entities for the equipment to use iSpindel, the difference here would be one entity versus many.
The use of an ABN and PayPal invoicing to start with is to ensure a consumer feels protected by local governance. I personally don't like sending money to strangers, however, when there is some additional accountability and consumer protection, I am much happier.
(I only do Extract at the moment)
