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    Trouble hitting and maintaining 400F with blower

    Did a test run to try and figure out what was going on with the Auber 6.5cfm blower. Here's my timeline and the graph below: 2:55 started charcoal in chimney starter 3:05 dumped charcoal into grill 3:07 installed pit probe on dome thermometer stem 3:08 plugged in Auber fan in normal orientation...
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    Post your HeaterMeter graphs

    Spent some time adjusting PID values Kamado Joe Classic (similar to Large BGE) Rotodamper with stock fan BPID settings stock at start 4,3,.005,5 3:15 RotoDamper, fan and damper active 4,3,.005,5, temp climbed nicely to 400F, a little oscillation, difficulty really getting to 400F 3:30 changed...
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    How many Heatermeter/Raspi built so far

    Out of curiosity, where's the demand for this quantity?
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    Trouble hitting and maintaining 400F with blower

    Did a 350 cook and recovery was very poor after each lid open. I'll post my graphs next time. Something's not right. Max fan was 100%.
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    Servo / Damper pictures

    Are these high temp cooks with the 6.5cfm blower?
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    Trouble hitting and maintaining 400F with blower

    Using natural lump that I start in a chimney. Fire bowl air hole is lined up with blower so most air should be going in under coals.
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    Trouble hitting and maintaining 400F with blower

    I'll try max fan, thanks. I have an expanded diamond metal grate I got from eBay similar the one shown above, so I don't think clogging is the problem. Thanks to both of you!
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    Trouble hitting and maintaining 400F with blower

    HM 4.1 with Auber 6.5cfm blower on a Kamado Joe Classic. I can do low and slow just fine but I'm having a heck of a time with a midrange temp. 400f is easy without hm, but with hm I struggle to get to temp. Max fan is 25%, tried top vent totally open or 1/4 open as I would without hm. Going...
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    Post your live HeaterMeter Cooks

    First ever pork shoulder on my Kamado Joe, a 10lb'er! HM 4.0 with RotoDamper. https://heatermeteraubrey.no-ip.org
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    4 line display

    Same as Ralph regarding the cable. Used right angle pins on the hm board and straight pins on the LCD.
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    INTRODUCING: the "Roto Damper"

    Got one from Home Depot and it fits perfectly. It's not black, but it fits!
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    4 line display

    I used an old IDE hard drive cable. Floppy cables aren't great because they have a twist in them.
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    INTRODUCING: the "Roto Damper"

    Not any jack, unfortunately. Mine is this one: http://www.amazon.com/exec/obidos/ASIN/B003L14VS2/tvwb-20 It is the right size at the wallplate but the rear portion is bigger. Probably doesn't matter in 99% of cases where you have ample room behind the wallplate, but here it has to fit in the...
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    INTRODUCING: the "Roto Damper"

    Ralph, Got it working! Doing my first trial with no meat on the line, it is really fun to watch it move! One SNAFU I hit is that the black CAT5 jack I got from Amazon is too wide, it gets wider after the jack portion so it won't go in the RotoDamper. Where did you get the jack you're using...
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    Servo trouble

    Nevermind, had the signal wire soldered to PIN 3 of the DIP instead of PIN 1.
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    Servo trouble

    Hi, Just got my servo connected and it doesn't appear to be working. I am using an HM4.0 board with wires soldered to +5V, GND, and SIGNAL through a CAT 5 connector. At the other end of the CAT 5 cable I am seeing 5V and 3.3V (on the signal wire) but the servo isn't moving. It only moves when...
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    INTRODUCING: the "Roto Damper"

    Thanks! I went with the HM 4.1 wiring. Pin 1, white/orange wire, unused Pin 2, orange wire, BLOWER GND Pin 3, white/green wire, +5V Pin 4, blue wire, SERVO GND Pin 5, white/blue wire, BLOWER Pin 6, green wire, SERVO Pin 7, white/brown wire, unused Pin 8, brown wire, unused Obviously the unused...
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    PCBGRIP: Electronics Assembly System

    Looks cool, would have made assembly much easier.
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    INTRODUCING: the "Roto Damper"

    Ralph, Would you mind telling me which wires you connected where? Was it something like this? Think I remember hearing you could only do 3 probes through CAT5. 1. Servo Ground 2. Servo Signal 3. Servo 5V+ 4. Probe 0 5. Probe 1 6. Probe 2 7. Probe Ground Thanks, Aubrey
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    Better probes?

    I sometimes see that "going crazy" behavior too. Not sure what causes it. So far all probes have recovered but it is annoying.

 

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