Recent content by Gary V


 
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    PID discussion for one input (thermocouple) and two control outputs (damper and fan)?

    I look at this control as a logical response to the old campfire scenario. When you start a fire, the damper is the open air surrounding the fire. To make it heat up faster we blow on the coals. So, with that said I am thinking Brian might have had that thought process when he created the PID...
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    Sorry to see this apparently fade away.

    Tom, your correct about the Heatermeter being the best controller out there. Being able to control with a blower and a damper make this the ultimate control. Using the Pi for the smart portion is not found anywhere else from what I can see. There are lots of users and many creative users that...
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    Rotodamper

    I saw those as well and did print that damper. These files are small enough so my local library can print them for me. Have done a couple of cooks, it looks like this damper as well as yours, Tom Koles works well. Again, I will say to do some cooks without the heater meter to see where you set...
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    Rotodamper

    Want to add one more thing about these files. I have personally printed the Tom Kole damper from these files. I have not printed any of the RD3 files. No time right now and printers at library are down for a few weeks. Prior to printing anything that has not been downloaded from thing universe...
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    Rotodamper

    Maybe this is what you want. There is also a file for Tom Kole`s damper too. I currently use the Tom Kole damper. It works great for my small Prinojr ceramic grill. The RD3 looks like it`s based off the last Tom Kole design. Cooked 20lb bird Monday and the heatermeter performed perfectly as...
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    If you have noise issues, it may be the RPI or the connection to the RPI.

    Going to give it a go. Only need to add the inductor since the cap is already installed from pin 20 to ground. Will post if it works in a week or so. John, do you still print cases? Mine is showing what living in dry, hot climate does to cases. Getting a little wavey. I got one of Brians last...
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    If you have noise issues, it may be the RPI or the connection to the RPI.

    No problem. I have spent way too much time looking for noise source. I did read through the data packet for the 328 chip and on page 254, there is a power suggestion that makes sense to me on how to get rid of noise. When I was working as a tech, one of the golden rules was never feed the ADC...
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    If you have noise issues, it may be the RPI or the connection to the RPI.

    Can you post a picture where you were touching? The thermocouple unit I have has always had noise. Brian spent a lot of time trying different things as well as myself. I would mess with thermocouple circuit if I had a great SMD soldering station. There are some combinations of resistors I would...
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    .stl files for roto damper and older HeaterMeter case

    Just to made things clear, the files provided by Jeff are a damper design provided to the site by Tom Kole. It is Tom`s V2 and it works very well. I use it on a Primo Jr. grill. From what I can see Nathan`s files are the RD3 damper designed by Ralph. Make sure you print a damper that is not...
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    No Communication / No HeaterMeter Board

    I have run into this when my sd card started to fail. I stay away from the high-speed cards also because for the price, they are not going to make the Pi 3 run any better. Also make sure your power supply is stable and providing clean, low ripple 12 vdc. Last, I use a power supply rated for...
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    K Type is a terrible design. Anyone else?

    Agree with Ralph. Keep the Thermocouple. Thermocouples have less noise and are way more robust than an rtd. I have used my own homemade Kapton coated thermocouples for 5 years and never had one fail. Kapton holds up well as long as it's not hit with direct flame which never happens with my...
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    Port dam forwarding, lol

    Felt your pain once. I currently use an ASUS ax6000 with an ax88u hardwired as a mesh. I got tired of CenturyLink, in my case, of supplying crappy modem/Wi-Fi routers. I forgot to mention that I connect to CenturyLink using a draytek vigor 2866. CenturyLink claims that my draytek device isn`t...
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    3D Printed Barrel Servo/Fan

    here ya go. So nice not having to create a Google mining account to get the files you need. Hope you find what you need. I like Toms dampers on my Primo Jr. Grill. imo always try to size damper for grills cooking area. Large grills work better with let's say an adapt a damper. Small grills work...
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    3D Printed Barrel Servo/Fan

    I think I have what you're looking for. I am attaching 2 .zip`s. Hope these are what you need. I do have V1 files too.
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    Rotodamper

    The Roto Damper was never uploaded to git hub so you could download the print files and have someone print you one. You can get the Adapt-A-Damper print files off the web and then find a printer to print device. I would go that route. Heatermeter is still the best solution for ceramic cookers...

 

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