Eric, a self-confessed beginner with Raspberry Pi, is using Python’s matplotlib library to plot data. In this code example, he uses the library to plot the Pi’s 1-minute load average on a line graph. See the code here.
Category: Software
Speech recognition on the Raspberry Pi with SphinxBase and PocketSphinx
Wolf Paulus (which is a fabulous name in itself) has written a comprehensive tutorial which teaches you how to install SphinxBase and PocketSphinx on the Pi and have it perform speech recognition. As Wolf points out, you can’t expect it to…
LEGO internet-of-things smart home with a Raspberry Pi
The guys over at PubNub have created a house out of LEGO then filled it with LEDs and sensors which are controlled and read by a Pi. They’ve then used their own proprietary software to create an Internet of Things…
Performance testing the Raspberry Pi 2 as an Internet of Things device
Henryk Konsek and Arek Jurasz wanted to see how fast the Raspberry Pi 2 was when it acted as part of the toolchain of an Internet of Things set-up using Camel and MQTT messages. I’ll let them explain: We decided to create…
Check your stock values on the Raspberry Pi command line
Blake wanted to track his investments from the command line. He’s compiled a package called ‘Go’ that uses the Yahoo YQL API to pull stock data from the internet. He has then written a tutorial to show you how to…
Install WordPress and NGINX on Raspberry Pi
Russ Sanderlin has written a comprehensive tutorial for getting a PHP/NGINX stack working with WordPress on the Pi. Read it here. Apparently NGINX works better than Apache, particularly under high loads (although I’ve never had a problem with Apache) and is…
Neopixel LED temperature gauge with Raspberry Pi
Ismail Uddin of scienceexposure.com has written an in-depth tutorial in which he uses a thermistor to track temperature changes and a Neopixel ring to display a temperature gauge. It uses various libraries and work already out there and contains instructions as…
Raspberry Pi television schedule helper for the visually impaired
Hackaday.io user Chewable Drapery (Dean Walker)’s grandfather-in-law is 92 and is gradually losing his sight. In particular, he has real problems reading the on-screen television guide. So, Chewable has constructed a box and a controller, called EVA, using a Raspberry Pi…
RealVNC and the Raspberry Pi
As announced at the Big Birthday Party, RealVNC is now available for the Raspberry Pi. The software allows you to remotely connect to the desktop of the Pi via a remote PC, Mac, Linux box, Android, iOS or Chrome device.…
Installing Snappy Ubuntu Core in Raspberry Pi 2
People were surprised when the Raspberry Pi 2 was launched that there was a new operating system on the block, in addition to the existing mainstream Raspbian offering. That new OS is Snappy Ubuntu Core. It is a (very) cut-down…