Hello everyone, after a week of studies, I'm analyzing the solution X10. I'm thinking if this is a convenient way of to do home automation instead that the wifi solution. The reasons are that I'm seeing the prices of the actuator that works on X10 protocol. If you see this, for example: http://www.n...
@Richard S. ok, I understood... :) Unfortunately I cannot use a "switch relay" by 5VDC .... because this "switch relay" is there only by 12VDC and upper voltage.. @obcd what I want is turn on or turn off my room light using RPi or button, indipendently. RPi can turn on, button can turn off, then but...
Thank you to all! All you need is a transistor and a couple of resistors to drive the 12V relay from the 3V3 raspberry gpio's. You will also need to mount a free running diode on the relay coil. That will avoid high voltages when the coil is switched off. Farnell and RS components also have ready ma...
Consider this "Arduino Pro Mini" clone on ebay . It is under $4 shipped (!), Hello jbeale, I already know this business, but how can you program the Arduino Pro mini without usb port? I saw the arduino NANO that have the usb for to connect to a PC and can program it, but the price is about 10$. htt...
@SirLagz: please, can you tell me where did you buy the adaptor with chipset RT5370? (I would like to know the brand).
Also via private message, if you want....
Hi to all, I searched a lot on web but I never find a clear answer to my question. Is there a document that tells how much current can provide the peripherals of RPi? I would like to know: - how much current can provides each USB port? - how much current can provides GPIO with 3.3V? - how much curre...
Ok thank you. At this link: http://elinux.org/RPi_USB_Wi-Fi_Adapters is reported: Note: A Wi-Fi adapter will probably need more power than the Raspberry Pi USB port can provide, especially if there is a large distance from the Wi-Fi adapter to the Wi-Fi Access Point, or it is transferring large amou...
Hi to all, I have good news for me. ;) I turned on and turned off a simple led from a webserver that runs on RPi. As you suggest I did this both through LAN cable that through usb wi-fi adapter (Netgear WG111). In this video you can see how I turn on/off via wi-fi adapter: http://www.youtube.com/wat...
Hello, I don't know how many amps the adapter use....where I can see it? Anyway I'm looking for to buy a micro/nano wifi adapter (e.g. Edimax). Should it absorb less, right? Ok, I set auto wlan0 and I left allow-hotplug wlan0 Now, the .37 IP is assigned for wlan0 :) But 2 questions: i - in terms of ...
Ok thank you for support. With my settings, with lan cable I haven't problem: - If I plug-in, the eth0 take .35 IP - If I plug-out, the eth0 take no IP Instead, with usb wifi adapter I have these behavior: - Everytime I plug-in or I plug-out the adapter, the RPi reboots. Is it normal? - After reboot...
Hello, at this moment I control my RPi remotely using a LAN cable on eth0 and a static IP. Now, I want try to control my RPi via usb wifi adapter (I'm using the Netgear WG111 chipset 8187) on wlan0; in this way I control the RPi without to use the LAN cable. So, I configured my /etc/network/interfac...
Hi to all, I'm reading a lot of guides and documents on how to setup eth0 and wlan0 on RPi, but I don't understand how them can work together. My objective is this: - I want that eth0 works only if the LAN cable is plugged-in. - I want that wlan0 works only if the USB wifi adapter is plugged-in. - I...
Hi to all, I'm looking for a USB wifi adapter for Raspberry. I saw that there are two types of USB wifi adapter: 1) adapter based on chipset RT5370 2) adapter based on chipset RT8188 (e.g. Edimax or TP-LINK) The 2) I read that is plug&play for RPi, so there is not problem. The 1) I read that is diff...
Dear friend, last night :D I turned on a led using my Raspberry Pi from my PC that is in same LAN of the RPi, using the line command: gpio -g mode 4 out gpio -g write 4 1 with the led connected on pin #4 of the Raspberry. First step is ok, next step is create the webserver for command the led from m...
@DrFatalis: thank you, I will study your solutions, too. @jsobota: I'm following your idea. You can see my plan in the picture attached. What do you think? I saw your video: you have used RPi+Arduino on same ethernet port for controlling them by tablet. But where I can find tutorial on how to contro...
Hello, I resume this my post because after 8 month I see that you have made a lot of progress!! That "pico" have done is own that I had in my mind 8 month ago. I suppose that his work isn't open source. Anyway, I ordered the NRF24L01 mentioned: 1 x NRF24L01+PA+LNA SMA Antenna 2.4G Wireless Transceiv...
@DrFatalis: can you link me your blog? I can use google translator. :mrgreen: @richiepp: wainting for your development! ;) @jsobota: thank you for your schema! I will study it. So with this schema I can command the RP2 and Arduino+Eth_Shield via webserver (that is on RP1), right? What I should under...
OK, to clarify things: I2C and SPI are meant for master/slave connection, no discussion about it. What I meant with "master" and "slave" in the webserver context was that the RPi1 running the webserver can not only display all the data it reads from its own SPI or I2C slaves but it can also poll da...