Building a Visual Bloom Filter with Raspberry Pi, Python and Unicorn Hat

Bloom filters are a probabilistic data structure that I’ve wanted to learn more about for a while. When I started reading up on them...

In Python, Raspberry Pi, IoT, Programming, Sep 19, 2020

Building a Task Tracker with Arduino and LED Arcade Buttons

Sorta like Simone’s, but smaller! One of my favorite Youtube channels is Simone Giertz’s — she documents her attempts to build roboti...

Read More

All Articles

Building a Visual Bloom Filter with Raspberry Pi, Python and Unicorn Hat

Bloom filters are a probabilistic data structure that I’ve wanted to learn more about for a while. When I started reading up on them, I found a lot of the material to be quite dry an...

In Python, Raspberry Pi, IoT, Programming, Sep 19, 2020

Visiting the Salton Sea

I got in the car, and did a 375 mile round trip to the Salton Sea and back! To break the monotony of being in the same place since March, I decided to take a day trip East to the Sal...

In Travel, Aug 08, 2020

Making a Zoom Panic Switch with the Adafruit Trinket M0

Recently we’ve all been spending a lot more of our time on video conference calls from home. I’m sure that, like me, you find yourself needing to mute your microphone and turn off th...

In Arduino, C, IoT, Programming, Jul 26, 2020

Building a Redis Prize Draw Application with Flask or Express

I decided to build a small application that would demonstrate some features of Redis in a fun and engaging way. I quickly hit upon the idea of a prize draw web application that would...

In Python, Redis, Node.js, JavaScript, Jun 28, 2020

Arduino Coding: Traffic Lights

I’ve written several articles before using Low Voltage Labs Traffic Light LEDs for Raspberry Pi, but never tried this with Arduino before. A little while back I noticed that they als...

In Arduino, IoT, Programming, C, Jun 13, 2020

Making a Game with a Raspberry Pi, LED Arcade Button, Buzzer and Python

This is a project I’d wanted to do for a while, and finally got motivation and time to make headway with! As the current social distancing measures have made in person Meetups imposs...

In Raspberry Pi, Python, Technology, May 26, 2020

Converting an 80s Peugeot Bicycle to Single Speed

I grew up in Nottingham, England in the 1980s-90s. At the time this was the home of the Raleigh bicycles HQ and factory, so almost everyone rode a Raleigh. They were solid bikes, an...

In Cycling, Hobbies, May 25, 2020

Raspberry Pi Coding in Swift: Traffic Lights

As long time readers know, I’ve written a series of articles each describing how to get up and running with controlling the Raspberry Pi GPIO pins using different programming language...

In Raspberry Pi, Technology, IoT, Swift, Apr 15, 2020

Raspberry Pi Coding with Node Red: Traffic Lights

Node RED is a tool that has interested me for some time - specifically when used on the Raspberry Pi to control or receive input from hardware devices. As part of my series of posts ...

In Raspberry Pi, IoT, JavaScript, Node.js, Node RED, Apr 11, 2020

Radio Controlled Car and Coffee Fun

I’ve long been interested in radio controlled cars, and have built and raced them to quite a high level several times before although not recently. Today I decided to take one out on...

In Radio Control, Video, Hobbies, Mar 22, 2020