Category Archives: Raspberry PI

Alexa

Posted on October 3, 2016 by Lawrie Griffiths

I got an Amazon Echo the day it came out in the UK, and replaced the Raspberry Pi version in my kitchen with it. I also have an Amazon Dot on order for when in comes out in the UK … Continue reading →

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My first robot wars robot

Posted on July 17, 2016 by Lawrie Griffiths

My grandson Elliot wanted me to build him a robot wars style robot. I thought I would try one with a flipper, as chainsaws and flame throwers seemed a bit dangerous for a child. I have no skills in metal … Continue reading →

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Alexa on the Raspberry Pi

Posted on June 15, 2016 by Lawrie Griffiths

UPDATE June 16th 2016: I was wrong about Alexa not being able to access my UK Amazon account. It appears that my UK an USA accounts are linked, so when I said “Read my Kindle”, Alexa started reading me my … Continue reading →

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Controlling my house with texts

Posted on April 16, 2016 by Lawrie Griffiths

I backed the Seeedstudio RePhone Kickstarter, and got the Create kit. I thought I would use it as a house SMS server, so that I can control my house with text messages when I am out. I can already control … Continue reading →

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VGA and audio for Pi Zero

Posted on March 26, 2016 by Lawrie Griffiths

I backed the Analog Expander Cap – for Raspberry Pi Zero Kickstarter campaign. It was a lot of soldering, but it works and makes a very small PC that works with a VGA monitor. I have only tried the VGA … Continue reading →

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Roomba robot with uarm

Posted on August 18, 2014 by Lawrie Griffiths

This is my Roomba robot with a uarm. The uarm and the Roomba are controlled by a Raspberry Pi. An Arduino Leonardo is used to drive the Roomba serial interface. The Raspberry Pi uses a MoPi to control its power and … Continue reading →

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Python version of HouseControl

Posted on August 15, 2013 by Lawrie Griffiths

I am beginning to write a python version of HouseControl. It is more convenient to use python on the Raspberry Pi and it will be interesting to see how easy it is to convert. As communication is by sockets the … Continue reading →

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Raspberry Pi alternatives

Posted on July 26, 2013 by Lawrie Griffiths

Arduino Yun BeagleBone Black UDOO PCDuino Elektor Linux board Mars board CubieBoard Parallella Odroid U2 Mele A1000 Olimex Imx233 Via APC

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Security IP camera using Raspberry Pi

Posted on March 13, 2013 by Lawrie Griffiths

UPDATE: I have now deployed the RPi webcam and it is working. It needs better connectors for the wiring, and the front panel needs some cosmetic work. It currently only streams video, not audio. I may add mpd for audio … Continue reading →

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A working RFM12Pi

Posted on January 4, 2013 by Lawrie Griffiths

I have received my RFM12Pi and assembled it: It works fine with the Raspberry Pi. I can see the packets arriving from the room sensor. The RFM12Pi has the rfm12demo sketch running on it with baud rate 9600. To change … Continue reading →

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