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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,

Raspberry Pi Coolest Projects USA 2020

Today I traveled from San Diego to the Discovery Cube in Santa Ana, California to check out this year’s Raspberry Pi Coolest Projects USA event. This is a one day Raspberry Pi Founda...

In Raspberry Pi,

Using a Break Beam Sensor with Python and Raspberry Pi

Let’s take a look at how to use a break beam sensor in a Python script on a Raspberry Pi! I’ve had a few of these kicking around for a while now, and finally got around to unboxing o...

In Raspberry Pi, Python, IoT,

Controlling Real World Objects with Raspberry Pi and Node.js

Here in San Diego, we have a monthly meetup called Fundamental JS. This is part of the wider San Diego JS family of meetups and is a favorite of mine because it focusses on core Java...

In Raspberry Pi, Node.js, IoT,

Exploring JavaScript Generators with Redis Sets

Back in October 2019, I attended the San Diego JS “Fundamental JS” meetup where one of the talks was about generator functions. After the talk I decided to see if I could use a gener...

In JavaScript, Node.js, Redis,

Writing Google Cloud Functions in Go

Let’s try building and deploying a Google Cloud Function using Go! Google Cloud recently added the Go language to its list of runtimes for the Cloud Functions serverless compute plat...

In Cloud, GCP, Go, Serverless,

Testing Zesty.io's Templating Engine using... Zesty.io!

Parsley is a major component of the Zesty.io Content Management platform. It is a server side templating engine which can be used to inject dynamic content into web pages or many othe...

In Node.js, JavaScript, CMS, Testing,

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 robotic helpers to assist with everyday tasks. Part of t...

In Arduino, IoT, Programming, C,

Building a Smart Card Transit Ticketing System with Redis and Raspberry Pi

Recently I was looking for an excuse to try out the hosted Redis database service from Redis Labs. I co-incidentally found out that Monk Makes produce a smart card kit for the Raspber...

In Python, Redis, IoT, Raspberry Pi, Node.js,

Controlling Raspberry Pi GPIO Pins from Bash Scripts: Traffic Lights

I’ve previously produced guides describing how to use the Low Voltage Labs traffic lights with Raspberry Pi single board computers for Python (read Python article), Swift (read Swift ...

In Raspberry Pi, Technology, IoT, Linux,