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  1. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    It looks like I've got some coefficients that need to be played with. The target was 250F, but I was bouncing between ~268F and ~242F.
  2. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    I'm giving my Linkmeter a run. I thought I'd share a few set up photos. Here is my adapter, it's a stainless steel cat dish connected to 1" SCAT tubing. I pop riveted the connector in along with a smear of silicon. I found a perfect sized dish that is small enough to fit within the ash...
  3. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    What are you using to program? I used the TINYusbISP to load my bootloader and the FTDI Basic Breakout 5V to load the program. I had trouble using Arduino IDE to load the bootloader from my gaming/workstation desktop, so I tried using my netbook (Windows XP). It worked with no hassle, so I also...
  4. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    Ya I noticed they short the jack when you bottom them out. Good idea on making stops. I've tested running with the board running off the FTDI cable and not the router, and I don't get probe drops. Edit: I've tried my other power supply, and I don't get drops with it. It's the 9V/1A labeled...
  5. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    I ended up switching routers because the other one was able to pass the echo test. The final thing keeping me from snapping the case together are the probes. They are very sensitive to how they are placed in the jacks, but even then they still drop in and out. I'm trying to figure out why, I...
  6. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    I followed the directions on page 13 and 47 to test the RX/TX pins via echo, but I don't see an echoed message. I do see a baud rate of 115200.
  7. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    Odd, I rechecked it again this morning, and the button board 1 pin is reading 5.01, and the probe pins are reading 4.95-5.00 relative to ground, 0 relative to pin 21 of the ATmega. Would having D1 backwards potentially damaged anything? It's the only thing I saw wrong with the board yesterday...
  8. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    I've also tested just the Heatermeter running off the FTDI. I can see current /config and serial output. I see probe 3 at 256F and a NO PIT PROBE, whether or not a pit probe is connected. The button board works and scrolls thru menus.
  9. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    Alright, I was thinking they were just for his SD card, but when I test that ground pin, I'm not getting 0V relative to the power jack. It's jumping around from 10-50mV. The button board pin 1 read 5.88V.
  10. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    I'm looking at this photo. Where did you run your GND and 3.3V wires from? I've got the wifi straightened out, I'm working on the communication between the router and board now.
  11. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    Whoops ya, that is the connector laying on my desk. Dunno how I pulled up that one when I searched the correct part number. I don't plan on using it while I have the Heatermeter in the router.
  12. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    Thanks Nick, sending you an email now.
  13. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    When I ordered, Mouser's system suggested this for the OOS DC Power connector. Mouser Part #: 163-179PH-EX Manufacturer Part #: 163-179PH-EX Manufacturer: Kobiconn Description: DC Power Connectors PCB 2.1MM I chose this LED to replace the one that was OOS. It looked to be similar, except...
  14. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    I've got all the hardware hooked up, but I'm still struggling with the router. The only way I can log into the router, is by hooking up the "internet" port on the back, not one of the LAN ports. This is the only way I can see anything from my normal router, and the Linkmeter ends up taking...
  15. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    With the heatermeter taken out of the router, should I have any problems setting up the router? When I pull up the web interface, it gets slow after a few clicks, making it difficult to enable changes since I'll end up having to wait a few minutes to just log back in.
  16. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    Ah, ok. I saw the button mentioned a few pages back and have it, but I'll have to order some sockets. I doubt I'll find them local. How do I get a button board?
  17. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    Do DIP sockets normally come with the ATmega? I ordered one controller, but got 4 with no sockets. Thanks for the comments on page 44, made wiring the rest a snap.
  18. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    Edit: Both PCB boards sold.
  19. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    Thanks, the blower being limited was what I was afraid of. The seller is meeting me halfway and returning $5. I did just test the supply, and it pulls 11.95-12.05V running just the blower. I was seeing the same range with the 12V Linksys supply from my friend's WRT54GL.
  20. J

    LinkMeter v2 Homebrew BBQ Controller - Part 1

    I'll post as soon as the boards come in. Would a 9V/1A power supply cause problems? The router I got from ebay came in, but it didn't include the original power supply.

 

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