Saturday, May 23, 2015

Using Piano Forte with the Espruino Javascript Interpreter

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Piano Forte - with ESP8266 WiFi and HM-11 Bluetooth Low Energy  In the last few weeks, a few things have come to light that make worki...
Friday, May 08, 2015

Interfacing a Chord Keypad to Papilio Duo FPGA Board

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Five keys plus thumb operated shift/control key This is a simple chord style keypad that I made up a few years ago.  It is loosely based...
2 comments:
Saturday, May 02, 2015

Benchmarking Arduino - and his Chums.

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Background The standard Arduino based on the ATmega328 is an 8-bit device with a 16MHz clock frequency and 2K bytes of RAM. I have for s...
Friday, April 24, 2015

One song - to the tune of another......

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One Song to the tune of another.... It is said that any processor, given enough time, can emulate the operation of any other processor. Wi...
Thursday, April 09, 2015

Exploring PianoForte - Part 0

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The minimum build PianoForte - just 20 components This is an update to a post from 9th April. PianoForte is an experiment in hardware....

Exploring PianoForte - Part 1

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A minimum build PianoForte - under test with a STM32F103CB PianoForte is an experiment in hardware. To create from scratch a small pc...
Sunday, April 05, 2015

Arduino - Teenage Strife

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It's probably common knowledge that all is not well in the Arduino household. A rift has opened up between the original founders, who ...
Saturday, April 04, 2015

Introducing PianoForte

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A partly assembled PianoForte pcb before adding the wireless modules. Introduction In a couple of previous posts I commented how many...
Monday, March 02, 2015

Arduino programs ARM

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OK - so for the last couple of days I have been waxing lyrical about a new extension to the Arduino IDE which allows it to program the STM32...
1 comment:
Sunday, March 01, 2015

Ideas into Action

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Last year, I backed a good friend's Kickstarter, for the Mirobot - a small open source, WiFi controlled turtle-like robot to help t...

State of the Nation

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"Procrastination got me to where I am today...." There has never been a better time for the technically creative hobbyist. New d...

Pushing Arduino Further

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Every programmer desires to surround themself with a familiar programming environment which allows smooth and efficient code development, wi...
1 comment:
Sunday, February 22, 2015

Heating Controls - There has to be a better way

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Every year, around this time, I get interested in improving my central heating control system. With time off work, and heating being very im...
1 comment:

Useful Hardware Helper Functions

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As microcontrollers continue to offer ever increasing performance and overwhelming arrays of sophisticated on-chip peripherals, the task of ...

Big Computer -Little Computer

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Early in 1963, a  couple of engineers from the recent technology startup company Digital Equipment Corporation (DEC), drove up to Ontario, C...

The PDP-8: A lesson in longevity

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The PDP-8 was launched in March 1965 and was produced in various forms for the next 15 years, each time benefiting from technological advanc...