Mehzeb Chowdhury, a PhD researcher in forensic science and criminal investigations at the UK’s Durham University has been looking into the ways juries view crime scenes. Ordinarily, they rely on a mixture of sketches and photographs. Recent ideas at making…
Category: Graphics
Automated game-playing solenoids highlights image processing with a Raspberry Pi
Kristian Lauszus took a course about image analysis in which students were asked to create a project to do the analysis. They were allowed to use OpenCV but none of the in-built filters – everything had to be done from scratch.…
Mini persistence of vision rig using a Raspberry Pi Zero
Francesco Vannini has written a great tutorial which shows you how to create a persistence-of-vision device using a few components like an old CD, a PC fan, a battery and a hand-crafted LED bar. You can get some great results from…
New Foundation resource helps you render selfies in Minecraft on a Raspberry Pi
There are some great resources over at the Foundation and a new one has just been added. This one uses the Pi camera to take a ‘selfie’ and then converts the RGB data into Minecraft blocks. If any of them…
Draw spider charts on your Raspberry Pi with Python
Albert has taken inspiration from a tweet by Sway Grantham in which she wanted to create spider charts (radar charts) automatically. So, Albert worked out a CSV file format that worked, created a blank chart and wrote a script to read in the…
New version of Raspbian Jessie released for the Raspberry Pi
A new version of the Raspbian Jessie operating system has been released. The following software packages have been updated: Sonic Pi – now at version 2.9 Scratch has been updated with improved sound input capabilities, support for the CamJam EduKit 3 robotics…
Paint your SenseHAT with this script
Giles Booth has written a small app using PyGame that allows you to ‘paint’ a virtual grid on screen and then have the same picture re-produced on the SenseHAT’s 8×8 matrix. Read how he did it and get the script…
E-paper HAT used as a next-bus indicator with the Raspberry Pi
Yesterday, I reviewed the e-paper HAT from Percheron Electronics. Today, I came across a tweet from HAT-creator Neil Matthews which introduced me to an excellent blog post from Chris Jones of London. He has used the HAT to create a ‘next bus’…
Create an interactive pet with the Raspberry Pi and SenseHAT
Carrie Anne Philbin has been very busy recently with her Raspberry Pi Foundation duties. Now she’s back in her guise as the creator of the Geek Gurl Diaries videos! Her new video tutorial takes you through from connecting up the SenseHAT…
Wearable guerilla video projection device made out of a Raspberry Pi
Artist R▲has created the VIDEOBLAST_R which is a wrist-mounted device which allows the wearer to project pre-prepared artistic imagery on any surface. Animation is triggered by a Wii nunchuck controller and the whole thing is mounted on a rollerblade armguard. An…