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Recent Posts
- Set timezone to Europe/Dublin at command line in Debian Live
- Arduino Nano Timer 1 interrupt example for 100 Hz sampling
- Running Arduino IDE in a Debian Live session
- Installing VirtualBox on Debian 11
- More PRBS turtle graphics
- PRBS visualisation in the style of turtle graphics
- Using ffmpeg to take a snapshot with a webcam in Windows
- Using a serial byte sent from an Arduino to launch an application on the PC
- Generating variations on a code analysis question in a Brightspace quiz
- How to merge two Garmin .fit files and upload to Strava on Ubuntu
- Moving statue of David Foster Wallace
- TU Dubuntu 19.10 – a customised live USB version of Xubuntu Linux 19.10 for TU Dublin
- Using Canon EOS 70D DSLR as a USB web cam in Xubuntu Linux 19.04
- TU Dubuntu – a customised live USB version of Xubuntu Linux 19.04 for TU Dublin
- Using the PHP command line web server to transfer files between devices on a local network
- €5 PPG – photoplethysmogram amplifier / Arduino circuit
- Clap detector circuit / AirSpell typing system
- AirMouse – control mouse pointer in Linux using one switch or by blowing on microphone
- Some RGB fractal doodles
- How to display USB webcam as live video on desktop using mplayer
- Ronan Byrne’s ultra low-cost brain-computer interface
- H-bridge control example for Arduino Nano (ATmega328) – two phase-displaced square waves
- An offcut from the Fraktalismus pattern factory
- Cafe Terrace at Starry Night
- €2 Robots in DIT
- A brief introduction to binary numbers…
- Can the PIC12F675 drive motors directly from its GPIO pins?
- Minimum Viable Program for PIC12LF1572
- dsPIC30F Quadrature Encoder Interface (QEI) – Basic Example
- Simple example program for the PIC12F675 microcontroller
- A simple way to read and write audio and video files in C using FFmpeg (part 2: video)
- A simple way to read and write audio and video files in C using FFmpeg (part 1: audio)
- Fraktalismus Outtakes: Sea Monsters
- Fraktalismus – my presentation at Dublin Maker 2016
- Example code from presentation: Ways of Seeing Julia Sets
- C or Python? Comparison of execution time for Mandelbrot image generation
- Julia Set Explorer
- (no title)
- What I’m working on right now…
- Simple 2-channel hardware PWM example for the MSP430G2452 microcontroller
- RoboSlam @ Dublin Maker – only two days away!
- Generating antiphase PWM signals with the dsPIC30F4011
- Very simple Python / Tkinter GUI to send selected keystrokes via serial port
- Using a dsPIC30F4011 to generating 4 PWM signals with equal duty cycles but at 90 degree phase increments
- Faster Mandelbrot image generation using numpy in Python
- Fractal variations using Python
- Using SendInput to type unicode characters
- Three PWM outputs with three different frequencies using the dsPIC30F4011 microcontroller
- 8-channel PWM with the MSP430G2553
- Simple Phaser Framework example – Flappy Words
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Monthly Archives: April 2013
PWM servo control example for the PIC18F14K50
This is my first program for the PIC18F14K50 20-pin microcontroller. I haven’t used this chip before, but it seems to have some useful features including USB connectivity, so I intend to investigate it further. This program is a simple PWM … Continue reading
Posted in Uncategorized
4 Comments
First attempt at printing to an LCD display from a dsPIC30F4011
The following example is my first attempt at printing to an LCD display using the dsPIC30F4011 microcontroller. The display I’m using is a 16×1 character screen with what I think is a standard Hitachi interface. It’s my first time using … Continue reading
A dsPIC program to display bytes received via serial link
I wrote the following short program for the dsPIC30F4011 microcontroller to record a sequence of bytes received via serial link (UART 2) and then print the byte values and the corresponding text string via UART 1. I was using this … Continue reading
Posted in Uncategorized
5 Comments
Simple PWM example for the PIC18F4620
The PIC18F4620 includes a hardware pulse width modulation feature which is really useful for generating periodic pulse sequences with different frequencies and duty cycles. Applications include motor speed control, servo control, and varying the brightness of an LED. This simple … Continue reading
Posted in Uncategorized
47 Comments
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