Retropie have a new home.
This article shows you two different methods to link to the full-screen version of a YouTube video (full-screen web address/URL).
LattePanda is featured with quad-core 1.8Ghz, 2/4G RAM, 32/64 GB eMMC, WIFI, Bluetooth 4.0 and USB 3.0, plus onboard Arduino processor!
UDOO. Discover new single board computer with Wi-fi and Quad-core CPU supporting easy Android-Linux switch and fully compatible with Arduino.
PINE64 is an open source platform from both hardware to software. It’s a versatile single board computer capable of running today’s most advanced 64 bit version of Android and Linux.
Orange Pi. It’s an open-source single-board computer. It can run Android 4.4 , Ubuntu, Debian, Rasberry Pi Image, it uses the AllWinner H3 SoC, and has 1GB DDR3 SDRAM
Raspberry Pi running Ambient light
Hyperion is used to control led strip
Install Hyperion, see instructions on https://github.com/tvdzwan/hyperion/wiki/Installation-on-RPi-with-OpenELEC
On SSH command line get installation file
curl -L --output install_hyperion.sh --get https://raw.githubusercontent.com/tvdzwan/hyperion/master/bin/install_hyperion.sh
And run it
Create configuration file by using HyperCon. See instructions on Git page https://github.com/tvdzwan/hyperion/wiki/configuration
To be able to use apa102 led strip following configuration changes need to be made on HyperCon
RGB Byte order:
Rest of the configuration on this page depend how many leds are used and how those are constructed. See more instructions from HyperCon Git
On Effect engine set
On created hyperion.config.json file change Type from Adalight to apa102
And copy created configuration file hyperion.config.json in Openelec directory /storage/.config
Since we are using apa102 Leds we need to enable SPI on raspberry Pi. By default SPI is not available.
On SSH command line
mount -o remount,rw /flash nano /flash/config.txt
At the end of file add
Press Ctrl-x , Y , Enter to save changes
Set directory readonly
mount -o remount,ro /flash
And reboot Pi
When Openelec start led strip should show rainbow colors and Ambient light should be running.
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- HyperCon, config builder
- [DIY] Amblight project/guide – Hyperion – WS2801/ WS2812B / APA102
Raspberry Pi motion detection IR Camera with IR lights
Raspberry Pi camera module with PIR motion detector with external IR Lights
- HW version 2.0
- SW version 1.7.1
Camera shoot video as long movement is detected and take image every 10 minutes.
Application takes care that old recordings are removed and there is always enough disk space available. The amount of free disk space can be set on application settings.
This work is still in progress. Next I am planning to add possibility to store recordings on external server and change the schematic so that single 12V power is used instead of 5V and 12V which are used in this configuration.
- Raspberry Pi
- Raspberry Pi noir camera
- HC-SR501 Adjust Pyroelectric Infrared IR PIR Motion Sensor Detector
- 48 LED illuminator IR Infrared Night Vision
- DB681 darlington transistor
- 2,2 kΩ resistor
- 1000 µF capacitor
The total cost of camera is around 70€
The related code is published at GitHub
The idea in this configuration is that when motion is detected python application gets information of it and it will turn the illuminator on and start recording. Recording continue until movement is no longer detected.
The whole system is packed into standard casing since I don’t have 3D printer to create custom case.
I used TIP 120 based configurations as a base of my build. Since TIP 120 was not available locally I used DB681 darlington transistor instead. The 1000 µF capacitor was added to remove flicker. Without capacitor it light was flickering when standard 12v power source was used.
The switch was build on separate board and connected to Raspberry Pi and insulated from Pi by using bike tire inner tube. On my original build switch was located on separate case.
In this configuration PIR is connected on 5v, GND and GPIO4. Switch uses GPIO 24.