Cory Guynn has built an entire city out of LEGO and then connected up various sensors and motors to it to sense and control aspects of the city. He has then used node.js and NodeRED on a Raspberry Pi to…
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LEDs that move and mirror your hand movements with a Leap Motion and a Raspberry Pi
Over at PubNub, they’ve been using Java to do some great things. This time, they’re using it to interact with a Leap Motion. Movements in the user’s hands are replicated with servos. Attached to the servos are some 8×8 LED…
How to build your own ‘future home’ model with the Raspberry Pi
Earlier this year, PubNub posted about their LEGO future home which had a variety of sensors, LEDs and motors attached. They have now started to write tutorials based around the project so that you can build your very own, using…
Create a realtime security camera with a Raspberry Pi and Parse
Justin Platz and Kevin Gleason from PubNub have published a tutorial that uses the Raspberry Pi camera module to take pictures and then upload them to online service Parse. The program hooks into a PIR sensor to detect movement then…
Control a Raspberry Pi-powered RGB LED from your Android phone
PubNub are fast becoming a company to keep an eye on in the Pi world. They’ve produced a few articles so far that use their online service and it’s time for another one. Kevin Gleason has written a tutorial for wiring up an…
Raspberry Pi motion sensor with realtime alerts
Eric Grossman over at PubNub has written an interesting tutorial which uses an ultrasonic distance sensor. The sensor detects motion by taking constant readings and then uses the PubNub service to ‘subscribe’ to any alerts generated. Read more here.
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…