So what if you designed a product that uses an AVR micro with a 16mhz clock, when does it cross from being a hobbyist product to a consumer product. (I see lots of projects on Kickstarter, for example).When do you need FCC certification? I suspect the law is complex and subject to many exceptions and rules. If you sell something as a bag of parts and a blank PCB then the rules maybe different then if you are selling complete consumer finished product to the general public?I understand if you're a big conglomerate corporation, I guess FCC/CE/UL cert costs is just peanuts ... but if you're a small business (or one-man business), they could certainly cost more double/triple than your whole R&D and production costs combined.So I guess one can bite the bullet and either go for the FCC cert (and spend what? 10K-$20K?) or just ignore it and release their product?As they say, ignorance is no excuse from the law, so any risks you take is on your own I guess. But what's the penalty? Is there a penalty? If you're product isn't causing nuisance, interference with other equipment/TV/radio/etc...Most likely nothing happens until some kind of formal complaint is issued to the FCC via an unhappy customer, unhappy near by homeowner, or maybe some competitor looking to try and 'level the playing field' against you. Now... to be a good citizen, I guess one can be pro-active in adding EMI/RF protection to their "whatever" product. Just to make sure it doesn't cause interference to others.The big cost isn't the added components, but rather it's the 3rd party testing validation and paper work and delay gaining FCC acceptance that is the big costs and time sinks I suspect. Just adding stuff to your design doesn't fulfill the legal obligations I suspect. Anybody here use EMI/RF protection on their power and/or data lines?I checked Mouser and they're pretty cheap... costing only cents (SMD).Again the cost of components isn't the main costs and headaches.
It seems you can self certificate it all if you are capable.