Making a Bluetooth Rotary Phone part 27 December 14, 2013 / grmrgecko / 0 Comments Getting that Carbon Microphone to work is REALLY hard. I’m talking to some engineers to see if they can help… May need a lot more things. Uncategorized Previous post Making a Bluetooth Rotary Phone part 26 Next post Gas Station Boot Loop Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.