h-hermsen - 2021-08-12
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 If you wish to use our Sparkplug for CODESYS library in a real *industrial environment*, no problem, you only need an industrial PLC/PC hardware platform as the base software is allready industrial grade.

-Though our library is for the **larger part** open source, we still make use of the Single License (SL) industrial IoT bundle component. Luckily this library offers excellent value for money. Especially if you take into consideration that you can use all provided software components from the IIoT Bundle library SL and the Runtime SL for your individual maker, home or industrial projects!
+Though our library is for the **larger part** open source, we still make use of the Single License (SL) industrial IoT bundle component to guarantee MQTT stability. Luckily this library offers excellent value for money! It has an amazing assortment of filehandling and communication protocol suites. Especially if you take into consideration that you can use all provided software components from the IIoT Bundle library SL and the Runtime SL for your individual use immediately.

 # So what will it actually cost?
-* [x] Every Node needs a hardware platform of choice. We chose a Raspberry Pi 3B (any model could do) as it is very popular and powerful, starting at 39 Euro. Search the web for a starter kit.
+* [x] Every Node needs a hardware platform of choice. Here we chose a Raspberry Pi 3B (any model could do) as it is very popular and powerful, starting at 12 Euro. Search the web for a starter kit. Maybe you can pick up a good deal. We obtained a 3B for 35 euro.
 * [x] Every Raspberry Pi needs a CODESYS Runtime License at 60 euro (inc VAT)  https://store.codesys.com/codesys-control-for-raspberry-pi-sl.html
 * [x] Every Node needs a CODESYS IIoT bundle license at 60 euro (inc VAT) https://store.codesys.com/iiot-libraries-sl.html
 * [ ] Optional USB license storage key (dongle) at 40 (inc VAT) https://store.codesys.com/codesys-key.html
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 There is a [procedure](https://help.codesys.com/webapp/_rbp_license;product=CODESYS_Control_for_Raspberry_Pi_SL;version=3.5.16.0) for this, but a dongle just makes life easier. The choice is yours.

 ## Conclusion
-In the end it all depends on the chosen hardware, but for around 160 Euro we have a very powerful and highly scalable PLC based on Raspberry Pi 3B hardware for home educational and lab purpose. It can act as a programmable gateway for all your (wireless) home automation and is more then capable of running CODESYS Sparkplug Primary Host node or Edge Node. 
+In the end it all depends on the chosen hardware, but for around 160 Euro we have a very powerful and highly scalable PLC based on Raspberry Pi 3B hardware for home educational and lab purpose. It can act as a programmable gateway for all your (wireless) home automation and is more then capable of running CODESYS Sparkplug Primary Host node or a Edge Node (or both at once).