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Starry Sky

openhardware.io 24 Mar 2016, 09:55 last edited by openhardware.io 27 Aug 2016, 20:50

https://www.mysensors.org/view/57/Starry-Sky
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temperature 58 humidity 39 led 24 mysensor 24 light 20 contest2016 19
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sundberg84 Hardware Contributor 24 Mar 2016, 10:17 last edited by

Fantastic project!
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hek Admin 24 Mar 2016, 12:16 last edited by

Wow!
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Didi 24 Mar 2016, 19:46 last edited by

Nice work
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topic:timeago_later,6 months

rayven 12 Sept 2016, 03:03 last edited by

https://forum.mysensors.org/plugins/nodebb-plugin-emoji-extended/images/%2B1.png
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samdel 5 Nov 2016, 07:26 last edited by

this kind of optic fiber is probably only plastic so for a full DIY , you can use also fishing wire with a big power led or an old chistmass tree optic fiber lighted.....
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temperature 58 humidity 39 led 24 mysensor 24 light 20 contest2016 19

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Hi, nice projet. I am very interested in it. But why you are using 5 V and not 3.3 V? The ATmea328 works with 3.3 V too and the NRF have to use 3.3 V. The only restriction on 3.3 V is the clock limitation for the Atmega (8 MHz). But with no crystal it don't care. For example you could use an HLK-PM03 instead of HLK-PM01 and remove the linear voltage regulator. So you get more space an everything have the same voltage level. And another point is, it is recommended to use a capacitor (0.1 µF) to ground for each voltage pin (Vcc, Avcc, Aref).
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I had the same problem... I just added the I_Arduino1.xml to the gateway as you suggested and it worked! Thanks. --Steve
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I'm wondering what the minimum input voltage is. The description only says max. 6.5V input voltage from the battery, but does not say what the minimum is. Both the nrf24l01+ as well as the atmega328P work with 3.3V, so if I use three AA batteries, that should be fine, right? I suppose using two AA batteries is not enough?
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Thanks for the reply. I am not looking to use an LCD, although that may be the best solution. For now, I plan on creating a simple set of LEDs and buttons. I have looked over the code, and was wondering which part of the code is retrieving the status of a sensor? What if I have multiple motion sensors, how would I retrieve each unique value?
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Advantage of this sensor is fast and easy installing by the non qualified personal. The sensor is designed for large agriculture facility with many greenhouses where is needed to be controlled temperature and humidity, the atmospheric pressure is for control the motor of air inlet and outlet. With help of the sensor installed outside the greenhouse provide information about positive/negative pressure inside the greenhouse. Finlay the software read accurate temp/humid value of the Si7021, and only atmospheric pressure of BMP180, the temperature sensor inside the BMP180 is used only by the sensor itself to provide accurate atmospheric pressure measurements. The sensor can be used also for home automation, and drone applications where is needed correction of the UAV barometric sensor compared to the ground barometric sensor, also humidity measurement can help the pilot to calculate more accurate flying time.
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@ahmedadelhosni Vera Edge
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@yoonie said: For the pro mini version, should i create another Openhardware project, or should i put it here, in the already existing project? Might be better to create a new project as they uses a different set of design files.

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