Copyright © 2010-2023 Ted Burke, All Rights Reserved.
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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 2011
multisnapz – command line image capture from multiple VFW cameras
EDIT (20-11-2011) : Since posting this, I have created a new DirectShow command line image grabber called CommandCam, which I recommend you use instead of multisnapz. Get CommandCam here (binary download and source code available). I’ve just tried modifying the … Continue reading
Posted in Uncategorized
Tagged command line, gcc, Image Grabber, MinGW, multisnapz, VFW, video capture, Video For Windows, webcam, Win32
6 Comments
Analog-to-PWM Conversion with the PIC18f4620
The main function below is reproduced with the kind permission of Robert Byrne who is using it in an Instrumentation project. His program is an adaptation of my PIC18F4620 template code that I posted recently, so to form a complete … Continue reading
Posted in PIC
Tagged 18F4620, analog input, C code, C18, PIC, PWM, read_analog_channel, RoboSumo, serial, template, USART
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A command line cam image grabber
EDIT (20-11-2011) : Since posting this, I have created a new DirectShow command line image grabber called CommandCam, which I recommend you use instead of this one. It’s also completely free. Get CommandCam here (binary download and source code available). … Continue reading
Posted in Uncategorized
Tagged command line, gcc, Image Grabber, MinGW, snapz, VFW, video capture, Video For Windows, webcam, Win32
76 Comments
Template Code for the PIC18F4620
I’m writing a new template program for the PIC18F4620, for use in our RoboSumo module and other projects. The template program basically sets up a few frequently used features – e.g. digital inputs, digital outputs, analog inputs, serial communication, PWM … Continue reading
Posted in PIC
Tagged 18F4620, analog input, C code, C18, PIC, PIC118F4620, PWM, RoboSumo, serial, USART
4 Comments
ad hocumentation • n. fast documentation of ideas and solutions. 