Awesome! I have a stash of these tubes and this just may be the ticket! On Saturday, February 16, 2019 at 5:48:53 PM UTC-5, Sgitheach wrote: > > Hi All > > Over the last year Nick Stock and I have been working on a clock using six > E1T decade counting tubes. I have been working on the electronics and > firmware and Nick has been working on the overall presentation and case for > the clock. > > Here's a preliminary view of the clock: > > This show a development test case using laser cut acrylic. Our final > "built and tested" case will be black anodised machined aluminium. Over the > top will go a clear acrylic cover to protect the tubes. The PCBs are green > solder mask prototypes but the final boards will be black. > > The project has reach the point where we are about to order the PCBs and > we will then work toward having the clock available. We should have the > clock available all the way from just bare PCB sets to fully built and > tested. > > The main points about the electronics design are - SAM3X8C 32 bit > microcontroller, firmware written in C using Atmel Studio (GCC compiler), > PIR to sense room occupancy and to shut down/wake up the clock, chimes > based on playing stereo WAV files, bling-bling 3 colour led modules, IR > handset and rotary encoder user controls, automatic time setting using WIFI > or GPS, RTC using TCXO, power supplies etc > > All will be open design and open source firmware. > > The purpose of this email is to try to gauge interest in the clock to help > us get the right number of PCBs made. So I would appreciate an email from > any one who has some E1T tubes and might want to build a clock with them. > *Such > an email will be on a no-obligation basis*. If you choose not to buy any > PCBs or a kit then that choice is still yours to make. > > It is unlikely that Nick and I will be selling any E1T tubes as we only > have enough for our own clocks and for what we hope to sell with built and > tested. > > If you want to see more about the clock, then this link will take you to a > work-in-progress case 3D render: > > https://a360.co/2U5lDPZ > > And this link will take you to a dropbox where you will find some rough > documentation, Eagle files, work-in-progress 3D printed parts, DXF files > for acrylic cutting and so on: > > https://www.dropbox.com/sh/6eoeioya5ljh116/AAClQipdvQUYd7n6a6jbGigua?dl=0 > > If nothing else, you will see from the dropbox what we feel being "open" > is all about. > > So, if you might be interested then drop us a line, there is no obligation > on your part, the only obligation is on us to keep you informed of progress > and, eventually, the kit options and prices. > > Enjoy! Questions? > > Nick and Grahame > > > > > > > > >
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