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True, it isn't only about the cost. I got my last NodeMCU's for under $5 USD shipped (to toronto). But RasPi are not the same as a device like esp8266.....they both have their pros & cons.... esp8266 are very user friendly to configure/setup/maintain.....they start up and connect to wifi...

hey, I've finally got all the parts (geez....shipping from china is getting slower lately, 5-8 weeks)....on breadboard everything is working. Now trying to figure out how to squeeze all these components in as little space as possible.

glad you guys are interested in what I'm working on/sharing......thanks for testing it out to beggs, and its fun sharing a 'hobby-type' project.....I'm new at this forum at it seems not everyone is "on board" with this whole sharing of ideas.... I haven't got around to "the fan" part my...

do you happen to have an arduino uno/nano board around?.....my chip had (type mismatch) errors and I had to force the flash update via a UNO/arudino ide....

I went with these....work nicely, packaged well.

nice start.....IMO, would be ideal to be more 'universal' for most types of probes....maybe something where the probe 'snaps' into place (a few different snap/connectors sizes to support different thickness/types of probes)....I'm going to attempt something as well one day (starting to learn...

nice video.....do you guys normally solder with fume extractors? I've made a homemade fume extractor with a computer fan (120mm) and some carbon filters....but don't know how good it is compared to a commercial fume extractor.

don't know how they are better than the already available: DominoIo Looks to be a great OpenWrt platform....price is decent too.... but Bryan is correct that there's new hardware coming out every month....I'm not a fan of the PiZero(os on a sdcard, wifi usb, no easy header, power...

Hey....Im now attempting an 'All Thermocouple prototype' build of HM using all ali/bay hardware.... it's a headless (no lcd/key) version I'm now trying out....idea is to have a fan/HM hardware all-in-one mini-build..... components I'm using/testing: arduino mini pro (8mhz 3.3v clone)...

Anyone with the 3d design 'talent' ever create a cord wrapper for probes? Like the ones for headphones but to tidy up temperature probes? Snap the probe and connector, and wind the cable would be ideal.... Something like this or this I find my 'bbq box'....always tangled up and such with...

I used an older auber temp controller that has a fan with a simple gravity damper(closes when fan is off, pushed open with airflow)....and it works really well at holding temps. So I'd agree that if there was no damper at all then any wind would be a problem.... I'm sure both fan only or...

I wanted to ask what advantage a damper/servo has over a blower fan(which can provide low cfms)? Is it agreed upon by most that the damper/servo is the best through comparisons at controlling their temps? I know a fan can blow ashes and such, but wouldn't a closed fan system be better at...

Merry Xmas.....I heard Santa doesn't use a servo ;)

Tested attaching the module directly with the raspb Pi header....and it works. //Removed Images of old method of attaching NODEMCU. See below for mini-board attaching that will be only method supported moving forward.... second option is to mount the NodeMCU upsidedown on a board and attach...

I'm currently just sending a BIN file that you just flash to your nodemcu until release....If you(or anyone) wants I can send you the link with instructions to try out, just send me a msg...

never thought about that....solves that problem with supporting pushbullet or other notification systems.... FYI....I've implemented MQTT into the ESP module...So it should integrate well with many home automation systems. I've supported publishing topics every x seconds, as well as...

my suggestion is would be to keep the best/easier design and have the software deal with the 'math'....it shouldn't be difficult to have a factor/formula that can be entered and used to translate 25% into the proper position on the servo.... I've toyed with the idea of using a stepper motor...

nice find....OpenHAB looks good. I'm in process of adding MQTT to the "express module" for HeaterMeter....will have to try and see how that will connect to OpenHab....probably needs broker setup alongside...

Hey, I've finally assembled my first HM....considering my soldering-skills I'd say it went well....but it was definitely not 'easy'....but powered on and worked :) Hardest part was that my at328p chip couldn't be easily programmed (not using a Pi)...but after a bit of research I got to flash...

I'm working on the best way to handle alarms.....thoughts/feedback would be good... any interest in my adding pushbullet support for alarms? Don't know if it's needed since thingspeak allows using twitter to react, so if you're using twitter already then you can get your alarms that way...