Guillermo Guerrero

Homemade ambilight with Arduino and Kodi

The Ambilight system is a gadget for TV to enjoy the TV shows. The system is composed by a concrete RGB LEDs (25 or 50 LEDs) and the LEDs reproduce the border color from TV. This post explains how create a homemade Ambilight system and connect to TV with Kodi. Components 50 LEDS => 2 x [12mm Diffused Thin Digital RGB LED Pixels (Strand of 25) - WS2801]: Link Ebay Arduino uno: Link Dx Male + Female DC Power Converter Connector Adapters (Optional to connect leds): Link Dx 5V 2A Power Adapter Charger: Link Dx Total price: 100€ (approximately)

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Be sync with Raspberry Pi

Is very common have the necessity to sync some kind of information with other computers or have a synchronize backup. In this post we explain how to install Btsync into the Raspberry PI. Download mkdir .btsync cd .btsync wget https://download-cdn.getsyncapp.com/stable/linux-arm/BitTorrent-Sync_arm.tar.gz tar -xvf BitTorrent-Sync_arm.tar.gz rm BitTorrent-Sync_arm.tar.gz ln -s /lib/arm-linux-gnueabihf/ld-linux.so.3 /lib/ld-linux.so.3 Configure cd ~/.btsync ./btsync --dump-sample-config > btsync.conf # browse the sample config file and change what you want Start at boot nano /etc/init.

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CONNECT AN EXTERNAL HDD (USB) TO RASPBERRY PI

In Raspberry Pi B model by default is limiting the output amperage. We can trick this behavior editing the config file: vi /boot/config.txt Add the following lines: safe_mode_gpio=4 max_usb_current=1 Reboot the raspberry and now you can plug the HDD in the usb port.

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Meteodino monitoring temperature system

Meteodino is a personal project using Arduino and temperature and humidity sensor. The project challenge is build a gadget to measure the temperature and humidity and send these data to a server and to after analyze these data. This project combines Ruby on rails, AngularJS, Coffescript and Arduino. Making-of Mounting the gadget: <img src="http://www.devcows.com/media/meteodino1.jpg" alt="Meteodino1" /> Gadget Server API REST. Frontend with AngularJS. Temperature gadget => Arduino Arduino Uno: Link Dx Arduino Ethernet Shield: Link Dx Temperature sensor (DHT-11): Link Dx (Shit, very imprecise) Temperature sensor (DHT-22): Link Dx LCD 16x2: Link Dx Temperature gadget => Raspberry pi (coming soon) Raspberry pi Temperature sensor (DHT-11): Link Dx (Shit, very imprecise) Temperature sensor (DHT-22): Link Dx LCD 16x2: Link Dx Demo at: meteodino.

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Hal-cash finder (Android)

Hal-cash finder searches terminal banks compatibles with Hal-cash method using Hal-cash API and render in Google Maps. This application is a hello world using Google Maps. Description Hal-cash finder is an application that searches terminal banks compatibles with Hal-cash method nearest your position. With this application, you can do: With your position: the application searches terminal banks automatically nearest your position. With an address: you can put an address and the application finds terminal banks nearest.

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Manuncios opensource (Android)

Manuncios is a native android application that finds offers in Milanuncios.com web page. This application is my first Android application and it’s a Helloworld. Description In the application, you can do: Search: you can search offers with different criteria as title, price or location. Order: the offers can order by price or age. Show: click in the offer to see more in detail. Contact: if you are interested in the offer you can contact with the seller.

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