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I understand that, it's working no problem, but Probe 0 is still the main probe displayed at the top GUI obviously showing as off. I was hoping I could display Probe 1 in it's place.

I think I remember reading this wasn't possible, but I can't find it with search. Is there a way to make Probe 1 show at the top of the GUI with a thermocouple board if it's not in use?

Is there any way to delete a bit of previous history without dumping the whole graph? I was messing with the pit before I got my butt on and was hoping to clean up the chart. I should have dumped it just before I threw it on.

My mistake, I see that now. I think that makes it easier. Any suggestions for the best way to hide the switch and resistor, maybe a switch type I'm not thinking of?

The 4.3 board has a spot for a header.. which I've covered with probe jacks. I'm looking for some suggestions on how to best sneak these on a completed board without messing it all up or losing existing functionality. I wish I had decided I'd like the option before I soldered the probes in...

I've got a 4.3 board already built, does anyone have any instructions and possibly some pictures on the best way to tap the appropriate points?

I've got a UDS with 2" black pipe intake. You wouldn't happen to have a version of the MacroDamper with 2" female NPT on it? I'm trying to find something on Thingiverse I can grab the threads from, but no luck yet.

I know everyone is following this tired old thread with bated breath. So here's another update... If I pull the other temp probes to ground the Pi no longer reboots with the pit probe wired as per the schematic. In fact everything appears to work as expected with the exception of the set...

Another odd behavior I'm seeing is the set temperature will randomly change if it runs for a while, say from 225 to 240. It'll run a while longer and change again to something else.

My mistake, it is 3V. What's next, is there some debugging I can turn on via SSH?

I think I've simplified this design as much as possible, so here's a bit more on the subject. I've wired up a bare ATmega328P with a 16MHz ceramic resonator. I'm supplying 3.3V from the Pi to the chip. I eliminated the 100k resistor and cap from the pit probe wiring and wired it up as...

I was able to reflash the bootloader and load the sketch from the IDE with the correct board selected. It doesn't show connected with just TX and RX hooked up, and it reboots and hoses the file system when SPI connected. In this case no probes ever even make it into the mix. I'm giving up on...

Man I was really hoping I had that messed up. I cannot for the life of me figure out what is going on. I've simplified this as much as possible. I have the probe wired as shown above. I've eliminated the SPI connections and level shifter. I have a voltage divider on the Pi RX side and the...

It also seems SPI isn't happy with the level shifter I bought, TXB0108.

I didn't realize the sketch would open the dependencies as well. Now I just need to unbrick the Trinket bootloader.

Thanks, but with a 1k resistor there is no discernible voltage drop. I've narrowed it down to when my pit probe is connected. Possibly I've wired it up wrong? This is what I have based on the schematic. ProbeWiring.jpg

So I added a level converter to this mix and a new Pi. The Pi seems to reboot whenever the serial connection is attached. The file system gets corrupted and only flashing it will get it to boot again. I put a scope on the level converter, it's doing it's job. My voltages all look good. I...

I'm stumped, now the Pi is unresponsive when the SPI connection to the Trinket is hooked up, and with just the serial connection it doesn't think its getting data.

The makefile needed digitalWriteFast and jeelib added to this line: ARDUINO_LIBS := ShiftRegLCD rf12_itplus ARDUINO_LIBS := ShiftRegLCD rf12_itplus digitalWriteFast jeelib After the change, It ran, I got a hex file, and uploaded it to the Trinket. Now the Pi is unresponsive even after a...

A bit of reading I managed to run make, but it's erroring: exceptions grillpid.cpp -o build-cli/grillpid.o grillpid.cpp:9:30: error: digitalWriteFast.h: No such file or directory grillpid.cpp: In function 'void __vector_10()': grillpid.cpp:30: error: 'digitalWriteFast' was not declared in this...