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How to turn your arduino project into a sellable product

How to Turn Your Arduino Project into a Sellable Product This guide is written by John Teel and brought to you in cooperation by CTable of Contents Introduction Step - Preliminary Design Critical Components Selection Common Microcontroller Peripherals Notable Microcontroller Cores Estimate the Manufacturing Cost Step - Design the Schematic Circuit Review of Arduino Uno Schematic Diagram What About Any Shields Step - Design Printed Circuit Board PCB Step - Order PCB Prototypes Step - Develop the Firmware Software Step - Test Debug and Repeat Step - Electrical Certi ?cations Conclusion CIntroduction Creating a prototype based on an Arduino is an excellent start to bringing a new electronic hardware product to market The Arduino is an ideal platform for proving your product concept However there is still a lot of engineering work required to turn it into a product that can be manufactured and sold to the masses But why can ? t you simply manufacture your product with an Arduino inside The good news is you can but most likely you shouldn ? t There are two main reasons this is not usually a good idea First of all the Arduino is large so for many products embedding an Arduino will make the product much too big to sell as a ?nished product Secondly and most importantly you won ? t make any money unless your product is really expensive with high pro ?t margins Very few products have a retail price high enough to justify using an Arduino for production But if you are lucky enough to have such a product then using an Arduino for production can be a low cost way to get your product to market very quickly Arduinos may seem cheap when buying just one for a DIY project but they are very expensive once you move on to high-volume production You can design your own microcontroller circuit to replace an Arduino for only a few dollars and that is the focus of this guide CStep Preliminary Design Before you jump head ?rst into spending big money on full development I highly recommend you ?rst look at the big picture This basically means you select all the critical components identify any development or manufacturing risks and estimate the cost to develop prototype scale and manufacture the product Most entrepreneurs make the grave mistake of jumping right into spending big money and or tons of time on full development without any idea of the costs steps and complexities that lie ahead No big tech company would ever do this They always analyze the big picture before spending the big money and so should you CCritical Components Selection The ?rst step to design the electronics is to select all of the critical components This includes the various microchips i e integrated circuits sensors displays connectors and other electronic devices needed based upon the desired functions and target retail price of your product Most products require a master microcontroller with various components displays sensors memory etc interfacing