It works, and it works well. The sensor is but a degree or two off the standalone I propped up in my chamber for both humidity and temp. Figure some of that is because the sensor is in the left front corner and the standalone is in the back right.
You do need to fix the pinout so it maches the touch (detail in the reddit post). It’s not hard, no soldering or whatnot required. You do need to break the retaining nub off the sensor harness so it plugs into the touch.
BTT says theirs is “ready to go” but they are having issues with material to I guess make a cover from. The software has been ready since the last firmware update. I’ve found this, it works, and my warranty has been worthless pretty much since I got the thing.
Not knowing what BTT will charge it’s hard to say if this is cheaper (2 for 7), but I don’t see any features missing as it’s just temp and humidity.
The biggest downside I’ve found is I need to rework the mount I use for the added wire sticking out of the back.
No it’s in the firmware of the Touch. They’ve been teasing a sensor (not this one that I know of) for months. Someone figured this out, my guess is they’re using something similar for retail. I got tired of waiting so though I’d try it out.
There are probably a half dozen different companies that make BMP/BME280 although it is somewhat of an antique.
Same with the and the other sensor.
You can get them with dupont connectors so should plug right up if the pins are accessible.
the pins are off on this one. Just a simple swap of a few and plug right in. Like I said, the retaining clip needs to be cut on the Touch end, but the connection is strong enough to not need it.
Worked fine all night. Shows the same temp +/- 1-2 degrees and % as my other internal. I can count that as placement.
I don’t know if the BTT is newer sensor or what. Given that it’s just telling temp & RH then I doubt it matters much.
You’re right though, of course. I did find a few different ones while looking around but this is the one that was mentioned so I decided to play it safe.
Just a reminder this isn’t MY find. I’m just bringing it here.
What brand did you buy?
Some relatively useless trivia but Bosche makes the sensor and then various manufacturers mount them to a board. If the sensor is not counterfeit which it probably is not, they all function the same. Bosche is at the 680/688 model number currently.
The sensor itself is he aluminum looking square with a hole offset on the top. they are getting so small that is what they are putting in things like fitness watches, thermostats etc.
What is the driver for putting the BMP in the chamber. I am genuinely curious as a few months ago I put a bunch of sensors in my P1S.
I put a BME280 in bottom of chamber and put a second one in the upper region of chamber.
Put a couple of different VOC sensors high and low, and two different particulate sensors inside also.
Looked like a bunch of I2C multicolored spaghetti in the bottom of chamber.
Can be a challenge to place your sensors in an area that is representative of the chamber. The fans tend to muddy the waters.
One thing that was abundantly clear after running several prints is that the interior of the chamber is a low level toxic box of particulate and VOC’s during printing. Disipates pretty quickly once the print is complete.
Be mindful that Dewpoint has an impact on RH and is different than moisture content.
Moisture content is a tedious test that applies to the filament on the spool.
RH is the atmosphere wrapped around the spool.
This is using the Panda Touch though, and honestly accuracy with it, or even their sensor (if ever released) will never be a thing. I mess with it as more of a toy than a useful tool. General temp is fine as aside from ABS I honestly don’t watch it that closely. I have a Xiaomi inside as well.
The driver I can’t help with. The firmware is available on their GitHub.
The most interesting thing for me is they’ve been working on this for months and have released nothing, but someone else just plugs this one in and it works after the firmware that supports it was released. (1.0.6 I think)
I’m glad it was shared, if anything to save people some money and time.
Also I found them on AliExpress too. Those are even cheaper.
As far as hiding the wire, you can come into enclosure from the back panel is an option. You can also drill a hole in the side panels as they are plastic.
One other wiring option which would not work with the sensor you have is to find a bme/bmp that has Stemma/QT sockets on it. Very small wire + connector and you can buy a Stemma cable from the sensor to the BTT device.
That is very similar to the nozzle wipe I made.
Those silicone wipers from A Series are definitely the ticket compared to the PTFE tubing that comes stock.
