Hmm. My UnicornMini has just been delivered, if I get time I’ll have a poke at this over the weekend.
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Adjust Python examples
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Adjust Python examples
Ok, good luck with it! The clock is a nice use for it imho.
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Adjust Python examples
Still waiting for mine to show up, unfortunately. Its been about 30 days since it shipped via Royal Mail. All this Covid stuff is messing things up. I usually get stuff in about 2 weeks, sometimes a little longer. Hopefully it shows up in time for me to also play around with it over the weekend.
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Picade Build Issues - Screen goes out after PIcade Hat install
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Adjust Python examples
That’s really long, for me it took around 2 weeks from UK --> NL, maybe Pimoroni has a Track&Trace / can contact Royal Mail?
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Adjust Python examples
Already contacted them, it was sent track and trace, but once its handed over to Canada Post I can’t track it. The Royal Mail tracking number doesn’t work with Canada Post’s tracking. And Canada Post doesn’t give any number back to Royal mail or Pimoroni.
It will eventually show as delivered once I sign for it, but that’s it. I have no way of knowing if its out for delivery etc.
If I don’t get it by end of week they said they would resend it. So now its just hurry up and wait. ;)
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Spotify on Raspberry Pi issues with Mopidy and Iris Web Server
Hi All
I followed this article below to install the Mopidy software, to Stream Spotify to the device.
https://learn.pimoroni.com/tutorial/sandyj/streaming-spotify-to-your-pi
This appeared to work, but then I discovered that the Iris web server did not get installed, so was not usable. When you dig deeper, there seems to be some incompatibility with versions between Mopidy and Iris and even Python.
Does anyone know how to get this working please.
Regards,
Simon.
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Accessing PMS5003 from concurrent scripts problem
I’ve got an enviro+ and PMS5003 hooked up to a Pi Zero W.
I can successfully publish enviro+ data via MQTT using Sam Birch’s enviroplus-mqtt software (https://github.com/hotplot/enviroplus-mqtt). This runs as a service and sends the data to my Home Assistant.
However, I also want to contribute my data to Luftdaten…
If I run the luftdaten.py script whilst the enviroplus service is running then the Luftdaten script generally throws mostly checksum errors everytime it tries to read the PM data. Maybe 1 in 20 attempts to publish the data are successful. This seems to happen regardless as to whether I run Luftdaten.py in the foreground of a console window or as a forked process (i.e. with an “&”) via rc.local at bootup.
Running the Lufdaten script also seems to corrupt the PM readings that envlogger is picking up from the PMS5003, in that all 3 values for PM1.0, PM2.5 and PM10 become the same (e.g. PM1,2.5 and 10 will all be 6 ugm3 - which is too much of a coincidence)
If I stop the envlogger service then the Luftdaten script runs fine - no checksum errors.
If I stop the Luftdaten script then the envlogger service resumes sending correct (i.e. different values) for each of P1.0, PM2.5 and PM10).
I’ve tried reducing the sampling frequency of the envlogger routine - doesn’t seem to make any difference.
I’ve also tried using the modified rmb_luftdaten.py published by RemBrand (Basic intro for uploading to Luftdaten / Air quality project) that allows the sampling frequency to be throttled.
So, it looks like it is not possible to have two Python routines independently and concurrently reading the PM data from enviroplus?
Any ideas from anybody?
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Accessing PMS5003 from concurrent scripts problem
Could you call one up from the other? Then only one is trying to access the PMS5003 at a time.
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Enviro+ Featherwing with Airlift Featherwing
I’ve just watched the most recent Top Secret video by Adafruit on YouTube and they’re in the process of making an i2c version of the PMS5003. It would suck to have to buy an additional board but at least it will be an option.
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Accessing PMS5003 from concurrent scripts problem
Thanks Kerry. Good suggestion - I ought to be able to merge the two scripts.
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Enviro+ Featherwing with Airlift Featherwing
I know - they shared the library with me yesterday that Limor had produced a couple of days prior.
It is (or was) a little known capability of the PMS5003 that it can do both UART and I2C - Plantower only marketed certain models as I2C, not including PMS5003 at the time.
Problem is that library is a no go for Enviro+ FeatherWing. I’ve had a lot of interaction with Adafruit on this point, but nothing from Pimoroni.
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Accessing PMS5003 from concurrent scripts problem
It’s not all that hard if both are the same programing language like Python. I have a couple of lengthy files for that very reason. One sensor used for two different things.
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Enviro+ Featherwing with Airlift Featherwing
Hah, sounds like you’ve got all of the right connections! I haven’t seen the datasheet but I’d like to imagine it wouldn’t be too hard to put a software module together. Even if Pimoroni don’t make an official Enviro+ library with it included you could always roll your own.
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Scroll pHAT HD - newb questions
Scroll pHAT HD
Site says it supports all 40pin Raspberry Pis - I have some old model B rev 2 boards
Will the Scroll pHAT HD sit flush on the board or will the audio jack be in the way?
Is there cases that will fit the Scroll pHAT on the model B rev2 boards?
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Scroll pHAT HD - newb questions
Looking at the pinout, I would think it will work on an older 26 pin GPIO Pi.
If your worried about clearance issues you could use one of these to raise it up.
and these should work with that extra height.
But they appear to be missing some nuts for the threaded ends? You could just screw 4 of the stock standoffs to the ends and use them as a stand / feet.
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Introduce yourself!
Hi. Im Muhammad Omer. I am interested in using raspberry pi for difderent projects but i am a complete newby. I am a medical Doctor and want to do this as a hobby
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Just bought my first rasp. Pi 4b
Hi. I want to connect my raspberry pi to a display. How can i do it. Its a 4b. It has a usb type c port and 2 smaller(i guess micro usb) ports. How can i connect it to a display
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Just bought my first rasp. Pi 4b
You simply need to purchase something like this…
and then use a regular HDMI to HDMI cable to your display.
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Just bought my first rasp. Pi 4b
There is also this, no adapter needed. Also comes in white and different lengths.
I’m not saying there is anything wrong with using an adapter, its just nice to have different options on hand.
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