Electronics · nodejs · raspberry pi

The complete guide to enabling speech recognition on an RPI3… in NodeJS

One of the things a good magic wand should do is respond to magic incantations. This guide will take you through getting Google Cloud Speech APIs functioning on your Raspberry PI 3 so that you can trigger speech recognition through a button press on your magic wand. The Microphone… Before you can get speech… you… Continue reading The complete guide to enabling speech recognition on an RPI3… in NodeJS

Electronics · nodejs · raspberry pi

Raspberry PI3 NodeJS GPIO Control: rpi-gpio

I’ve covered this in several other articles as a side effect of getting those higher level goals complete.  But given a simple Google Search failed me…  here is this in case someone else needs it. When you just want: “Raspberry PI3 NodeJS GPIO Control” – this is how you get it done: npm install –save… Continue reading Raspberry PI3 NodeJS GPIO Control: rpi-gpio

Electronics · python · raspberry pi

Turn on a lamp with a gesture – IR Cam Image Processing!

Make has a write-up on wand-control with a simple reflective wand. Check it out – the build is overly complicated – but it’s a whole package 😉 : http://makezine.com/projects/raspberry-pi-potter-wand/ The pearl stickers were hard to find for me.  So I ordered retro-reflective tape: Retroreflective Tape How this technique works… This technique uses image processing to track… Continue reading Turn on a lamp with a gesture – IR Cam Image Processing!

raspberry pi

Name your PIs with mDNS – forget the IPs with ZeroConf

Today, you probably do a lot of this: ssh pi@192.168.1.108 Or even: ssh pi@raspberrypi.local At some point you’ll have a pile of Raspberry Pis around your house and you’ll have to start reserving IP addresses in your router to reliably get to them.  That, or you’ll have to continuously look them up in the “attached”… Continue reading Name your PIs with mDNS – forget the IPs with ZeroConf

Electronics · python · raspberry pi

Raspberry PI Controlling Power through GPIO (no wifi needed)

Digital Logger’s IOT Logic Outlets In my previous two articles – we show two ways the Raspberry Pi can control power through Wifi: Raspberry PI for controlling TP-Link POWER Raspberry PI for Controlling Wemo Power These assume wifi-enabled outlets, which are great, but there are some cases where you really want the Raspberry PI to… Continue reading Raspberry PI Controlling Power through GPIO (no wifi needed)

python · raspberry pi

MagPi Issue #53 is Fantastic for an Intro To Python Programming!

MagPi Issue #53 This issue of the MagPi magazine has a great set of intro-to-programming articles that are short and sweet.  To boot these folks have made this magazine available for Download.  Its a tremendous resource.  When teaching kids, having something that gets it done fast is important, and they’ve done a great job with… Continue reading MagPi Issue #53 is Fantastic for an Intro To Python Programming!

raspberry pi

Get the minimum necessary Raspberry Pi Hardware

I get asked a lot what parents should get for their kids to get started with the raspberry pi.  This article has the short list of items that I consider the minimum set. (So I can simply point to this! 😉 ) The Minimum Besides the Raspberry PI 3 pictured above, you’ll need a couple… Continue reading Get the minimum necessary Raspberry Pi Hardware