You can have a look here: https://socialcompare.com/en/comparison/esp8266-vs-esp32-vs-esp32-s2
Le mardi 24 janvier 2023 à 10:13:25 UTC+1, W1SBY a écrit : > Moses, > I was going to place an order but have a couple of questions. > > What is the difference between an ESP32 and a Xaiu ESP32C3? > > Also there is no way to pick “optional items” > > I’m looking forward to this clock. > > Allen > > Allen Wisbey, W1SBY > > > On Jan 20, 2023, at 5:31 PM, Moses <mo...@neonixie.com> wrote: > > I'm taking pre-orders! Waiting on a few production parts to arrive, > testing and adding a few final features to the firmware. There is an order > link on the main page at http://www.neonixie.com/IV-9-6D-RR/ > > > The firmware has several new features. I've added barometric readings from > the optional BMP280, mostly data displayed on the devices web server, but > I've included a drop down option to use the display as an altimeter! :) > I'm working on adding a pressure display option, likely alternating > between current pressure and HI / LO pressures for the last 24 hours. > There's also an option to display wifi RSSI and LUX readings, mainly for > debugging. If anyone has any other ideas for an 'alternate display' I'm all > ears! > > I'm delaying the QT PY board sale until I can do a little bit more testing > and secure sufficient stock. The original Espressif devkitc module and Xiao > C3 versions are available now. > > Thank you everyone for your support and be sure to read the dedication on > the bottom of the page! > > Regards, > -Moses > On Friday, December 30, 2022 at 9:20:27 PM UTC-8 Moses wrote: > >> An update. I've gotten a hold of a few Adafruit QT Py ESP32 boards and >> have been testing them out lately. The last picture is a working mockup >> before I spin up another PCB. >> >> http://www.neonixie.com/IV-9-6D-RR/ >> >> Looks like I can keep both the original ESP32 DEVKITC footprint and add >> the QT Py easily, giving me a few options. The Seeed Studio Xiao boards >> have the same pinout as the QT Py, so potentially another controller option. >> Height of components was mentioned previously, and if I omit the socket >> for the QT Py or the larger ESP32, I can get the board height down to about >> 9mm, which is pretty good I would say. As luck would have it.. I believe >> the pinout of the IV-9 is such that you can add the missing pin of the >> circular pin arrangement, connect them together and mount the tubes on the >> 'bottom' of the board. With this small change one can solder the tubes to >> the "bottom" with just a simple software option! >> >> The 74125 logic converter IC is below the ESP32, I may just move this >> away to the right side of the board. The BH1750 lux sensor and AHT20 >> temp/humidity in the corner of the board are working well. >> >> One thing I did notice is the QT Py boards can't be too far away from the >> wifi router.. likely from the tiny chip antenna they use. They have a >> variant with external antenna, might try that too. The ESP32-C3 (RISC-V) >> variant needed some USB drivers on my dev machine, which was a task, but >> eventually worked. >> >> I have been providing the tubes with 5v and running PWM at about 75%, >> this gives me right around 20ma per segment, and avoids having to provide a >> DC-DC converter. The actual voltage to the segments is less then 5v.. since >> there are losses in the driver ICs. I do have a diode on the PCB as well, >> which you can put in line with a solder jumper. The diode drops the 5v down >> to about 4.2v, giving a native 20ma per segment without PWM. I'd like to >> ask if anyone has any knowledge on theoretical lifespan impact of either >> option. I like the 5v option with PWM, can limit the maximum in software >> but provide the option to overdrive them if anyone so chooses. This is my >> first production attempt at a numitron clock, so any detailed experience >> from group members is greatly appreciated. >> >> Regards, >> -Moses >> On Friday, December 9, 2022 at 5:03:45 PM UTC-8 Moses wrote: >> >>> Ian, >>> >>> Yes, the picture is overexposed. I've found it's pretty difficult to >>> take good pictures of numitrons! >>> >>> The diode is just a plain silicon version, I put a jumper pad on the >>> bottom to bypass it if desired. When in line it drops about 0.8v, so my >>> input of 5v becomes 4.2v and the segments are using about 20ma each. >>> Bypassing it and providing 5v to the segments gives 24ma. There is PWM >>> dimming, so a maximum current option is easy to add to the firmware (on top >>> the the default brightness settings). During normal clock operation it's >>> running about 600ma, so I'm burning about 0.5w in the diode. It's not very >>> hot, but I will add some more copper on the PCB if the diode remains. I did >>> think about adding a switching converter, but that adds more parts to >>> solder. Assuming a switching converter would be 90% efficient.. I go from >>> burning 0.5w to 0.2w. Is saving 1/3 of a watt worth the additional parts >>> cost? I'm not sure. I'm trying to go with a low parts count without >>> sacrificing much. >>> >>> Yes, it's a bog standard 'clock in a box' type kit, haha. But I think >>> I'm ok with that right now. Could move everything to the bottom.. that's >>> always an option. >>> I used to socket everything.. but now my thinking is with modern >>> semiconductors, once it works it's likely good for a few decades I would >>> hope! It's feels like I'm adding another point of potential failure. >>> >>> Cool clocks on your site! >>> I did look at the Wemos D1 too.. but decided for this iteration I'll go >>> with the controller I already know. For something smaller I was also >>> looking at the Adafruit QT Py as well as the Seeed Xiao boards. >>> I couldn't figure out how you power your IV-9s. >>> >>> Regards, >>> -Moses >>> >>> On Friday, December 9, 2022 at 2:47:58 AM UTC-8 Ian Sparkes wrote: >>> >>>> Nice work! >>>> >>>> I'm not sure if it is just your picture, but they look over-driven to >>>> me. It's perhaps just the exposure - I guess D1 is a Zener to provide some >>>> stability on the drive to the filaments, maybe you need to drop the >>>> voltage >>>> on that. The Zener is a pretty wasteful way of stabilising the voltage - >>>> you're going to need to provide for about an amp at full blast (42 >>>> segments >>>> at around 20mA = .84A), and to dump the excess over the life of the clock >>>> amounts to a lot of energy. >>>> >>>> That's also a fairly hard set up you have there to find a nice case >>>> for, with the big dev board standing way up. Also for kits, you're going >>>> to >>>> want to put those drivers in sockets and they will also stand proud and >>>> too >>>> close behind the tubes to make an attractive casing easy. >>>> >>>> Here's my take on it - feel free to nab a few ideas there. (These are >>>> not for sale at the moment - stock trouble). >>>> >>>> https://www.nixieclock.biz/StoreNumitron-6Digit.html >>>> https://www.nixieclock.biz/StoreNumitron-4Digit.html >>>> >>>> BTW, when I was still delivering these, I would usually deliver them >>>> with the USB connector and the NeoPixels already soldered and tested. >>>> >>>> On Fri, 9 Dec 2022 at 05:21, Moses <mo...@neonixie.com> wrote: >>>> >>>>> Hi Everybody, >>>>> >>>>> I'm happy to say the first prototype PCB has arrived and has been >>>>> assembled! Some pictures here: >>>>> >>>>> http://www.neonixie.com/IV-9-6D-RR/ >>>>> >>>>> Some details.. >>>>> - I purposefully picked all through hole parts as this will be in full >>>>> kit form. >>>>> - I ended up choosing the TI TPIC6C596N driver. It does everything I >>>>> need and is pin compatibility with PN '595N and possibly a few others. >>>>> I've >>>>> been testing software that keeps the unlit segments 'warm' by PWM'ing >>>>> them >>>>> to just barely invisible.. not so sure if this is going to make a big >>>>> lifespan difference. These are being driven by a 74AHCT125 for the logic >>>>> level shift (3.3v to 5v). >>>>> - The controller is a ESP32 original dev board from Espressif, the >>>>> same one I use for my previous nixie clock. This gives me a known good >>>>> working part number and software carry over from my prior nixie clock. >>>>> Most >>>>> of the features of that clock will carry over directly to this one, >>>>> including the BH1750 lux module and AHT20 temperature/humidity sensor. >>>>> - Input is 5v via a common DC barrel jack. I did order a few USB-C >>>>> input jacks, even found a through-hole one. I decided against using it in >>>>> a >>>>> kit due to the more delicate soldering required, as well as the unknown >>>>> quality of all the USB cables and power supplies I generally run into. >>>>> This >>>>> runs the IV-9s directly and optionally through a diode to run them at a >>>>> slightly lower voltage of ~4.2v if desired. >>>>> >>>>> I am ordering more parts and should have a few beta boards out before >>>>> the holidays. Hopefully production kits will be ready sometime in January! >>>>> >>>>> Thanks to everyone who provided advice and feedback! >>>>> >>>>> Regards, >>>>> -Moses >>>>> >>>>> On Thursday, November 17, 2022 at 3:06:41 AM UTC-8 hall...@hotmail.com >>>>> wrote: >>>>> >>>>>> If Richard is in-So am I 😊 >>>>>> >>>>>> >>>>>> Peter..insidiousnixies:Utube >>>>>> >>>>>> >>>>>> >>>>>> *From: *'Ian' via neonixie-l >>>>>> *Sent: *Thursday, November 17, 2022 5:52 PM >>>>>> *To: *neoni...@googlegroups.com >>>>>> *Subject: *Re: [neonixie-l] Re: Any interest in IV-9 numitron clock >>>>>> kit? >>>>>> >>>>>> >>>>>> I’m in >>>>>> >>>>>> On 17 Nov 2022, at 04:28, Richard Scales <ric...@scalesweb.co.uk> >>>>>> wrote: >>>>>> >>>>>> I have built several numitron kits from nixieclock.biz and am a big >>>>>> fan of numitrons, I have only had them running far a couple of years and >>>>>> then for only half a day at most. I have heard that their tube life is >>>>>> 'long' but have not seen any actual numbers. I have also re-worked the >>>>>> design for other numitrons like IV-19 and DTF104B. >>>>>> >>>>>> >>>>>> <RCS_5954.jpg> >>>>>> >>>>>> - Richard >>>>>> >>>>>> >>>>>> On Wednesday, 16 November 2022 at 22:26:36 UTC mo...@neonixie.com >>>>>> wrote: >>>>>> >>>>>>> Hi Everybody, >>>>>>> >>>>>>> I seem to have enough IV-9 tubes to where I can produce a batch of >>>>>>> 100 or so 6 digit numitron clocks. Thinking ESP32 powered like my last >>>>>>> one >>>>>>> (Thank you to all those who gave suggestions, the kit came out great!). >>>>>>> I'm >>>>>>> thinking maybe try for a full through-hole solder kit with some shift >>>>>>> registers. >>>>>>> >>>>>>> I know nixies are more popular.. but anyone interested in a numitron >>>>>>> clock kit? >>>>>>> >>>>>>> Oh, one question I do have, anyone have long term experience (ie, >>>>>>> years?) running this particular tube? How do they fare? >>>>>>> >>>>>>> Thank you! >>>>>>> >>>>>>> Regards, >>>>>>> -Moses >>>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "neonixie-l" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to neonixie-l+...@googlegroups.com. >>>>>> To view this discussion on the web, visit >>>>>> https://groups.google.com/d/msgid/neonixie-l/421b1cfd-f165-49ad-a63b-1afae649b1ebn%40googlegroups.com >>>>>> >>>>>> <https://groups.google.com/d/msgid/neonixie-l/421b1cfd-f165-49ad-a63b-1afae649b1ebn%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> >>>>>> <RCS_5954.jpg> >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "neonixie-l" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to neonixie-l+...@googlegroups.com. >>>>>> To view this discussion on the web, visit >>>>>> https://groups.google.com/d/msgid/neonixie-l/6975019D-E714-4B91-94DC-878BE396B531%40yahoo.co.uk >>>>>> >>>>>> <https://groups.google.com/d/msgid/neonixie-l/6975019D-E714-4B91-94DC-878BE396B531%40yahoo.co.uk?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> >>>>> -- >>>>> >>>> You received this message because you are subscribed to a topic in the >>>>> Google Groups "neonixie-l" group. >>>>> To unsubscribe from this topic, visit >>>>> https://groups.google.com/d/topic/neonixie-l/KK9P2jsFon8/unsubscribe. >>>>> To unsubscribe from this group and all its topics, send an email to >>>>> neonixie-l+...@googlegroups.com. >>>>> To view this discussion on the web, visit >>>>> https://groups.google.com/d/msgid/neonixie-l/dbf54f53-6b8c-4a09-8766-a7c4c9b2b887n%40googlegroups.com >>>>> >>>>> <https://groups.google.com/d/msgid/neonixie-l/dbf54f53-6b8c-4a09-8766-a7c4c9b2b887n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> >>>> -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to neonixie-l+...@googlegroups.com. > > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/f8f38848-0b8c-407d-a291-fcd527033664n%40googlegroups.com > > <https://groups.google.com/d/msgid/neonixie-l/f8f38848-0b8c-407d-a291-fcd527033664n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. 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