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Pi Club

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FergusG Jan 2021 11:49am, 26 Jan 2021 4,216 posts	Quote Pin FergusG I don’t think you’ll be able to use cron, as you’ll be running your own code directly on the device (rather than running it within a somewhat richer Operating System). Most of the Arduino examples are basically infinite loops with some sort of yield/sleep/wait logic.
ZenTaoPlurp Jan 2021 12:27pm, 26 Jan 2021 365 posts	Quote Pin ZenTaoPlurp If I had one, I'd be able to tell you... I haven't dived in yet, but the specs mention a clock on the RP2040. If it's continually powered then as long as you know when it was first powered then bingo. At a basic level it runs the main.py code but it is a twin core chip and much more seems possible, but may need some lower level coding to achieve a Cron-like run environment. With a single main.py block, those numerous input pins could be used to configure or trigger different parts of code within one main.py. Or, you could use a Pi...
fetcheveryone Feb 2021 11:14pm, 13 Feb 2021 25,646 posts	Quote Pin fetcheveryone We transferred Lance to his Pico life support. I just used sleep(606024) within a continuous loop to give him his daily drink. Now my Pi is free again for a new project.
flanker Feb 2021 12:56am, 14 Feb 2021 19,673 posts	Quote Pin flanker Has anyone set up a pi with a motion sensing camera? Or maybe more likely, with a camera backed by motion-sensing software?
rhb Feb 2021 10:57am, 14 Feb 2021 1,623 posts	Quote Pin rhb Flanker yes, motioneyeOS is very simple to setup and use.
flanker Feb 2021 2:54pm, 14 Feb 2021 19,674 posts	Quote Pin flanker Ta
Hanneke May 2021 3:02pm, 24 May 2021 74,024 posts	Quote Pin Hanneke Hello Fetch's podt about automatically watering Lance has made me think that it is feasible to set up something to water the tomatoes in the greenhouse once a day? I am totally new to this Pi business...
fetcheveryone May 2021 3:41pm, 24 May 2021 26,091 posts	Quote Pin fetcheveryone It definitely is, Hann. The Pi has a set of pins on it that you can use to send signals to other electronic components. In my case, the Pico is running the following code, over and over again: Turn relay on Wait 1 second Turn relay off Wait 246060 seconds Here's a Pico: amzn.to (but cheaper here): thepihut.com Here's the relay I use: amzn.to Here's the pump: amzn.to Mine is for an indoor plant (so less thought gone into weatherproofing etc) - and there are a million ways you can scale up that design.
FergusG May 2021 4:02pm, 24 May 2021 4,404 posts	Quote Pin FergusG I'd suggest starting simple, and then building things up if/when you get hooked by the whole automation thing. You could upgrade from a simple timer rule to using readings from soil moisture sensors if you want to get fancy. You could also go nuts and have the windows open/close based on readings from a humidity and temperature sensor! N.B. As an indoor system, Fetch will also have found it easier to get power to his device.
Hanneke May 2021 4:59pm, 24 May 2021 74,028 posts	Quote Pin Hanneke I should have said: it is for my greenhouse! A real tie in summer as it needs watering, on hot days twice a day! I have power to it by means of an outdoor cable reel and ducting through the foundations. Apart from greenhouse type humidity, I think it will be ok.