Posted inElectronics Hardware
Mains hum sensor – detect the power lines inside walls
Detect the power lines route inside walls with this simple Mains Hum sensor
Posted inElectronics Hardware Optics
CdS Photosensitive Vacuum tubes
A collection of a few NOS photosensitive vacuum tubes.
CreateProcess, GetExitCodeProcess and application crash
When using CreateProcess win32 API make sure the lpCommandLine is not a constant or your application can crash.
Posted inElectronics Hardware
ATMega8 LCD Game
Create a simple game board and write a little software game for your ATMega8 LCD board.
Posted inAndroid Electronics Hardware Research
ATmega8 and Hall Sensor A1302
Atmega8 and an A1302 Hall Sensor for sensing the magnetic fields in close proximity.
Apple iPhone 3G – introduction
This article shows a few basic things:
- How to connect your iPhone to your desktop PC and how to update the iPhone firmware
- How to downgrade the iPhone 3G from 3.1 to 3.0
- How to activate the iPhone 3G 3.0 (jailbreak)
- View iPhone filesystem in total commander
- Do screen captures of your iPhone 3G
Posted inHardware Research Robotics Software Windows Mobile
Perseus 3 Advanced Robot (using Windows Mobile)
Perseus 3, a 4x4 advanced robot featuring an Atmega8 for sensor interfacing and motor control, and a I-mate SP5 smartphone (200MHz) running Windows Mobile 6.0 as robot's brain. Small weight, powerful trust, and lots of features including WLAN, Bluetooth, Camera, Speaker, Phone-interface (GPRS, 3G), Microphone (for voice commands) and more.
Android tricks: Disable “No SIM card” screen
Disable the "No SIM card." annoying Android message.
Posted inElectronics Hardware High Voltage
High Voltage Power supplies
An article on various high voltage sources. Includes schematics, construction details, high resolution images and videos.
Posted inHardware High Voltage
Homemade Capacitor 19nF/10KV
How to make a high voltage capacitor in a few steps. See a video with my 19nF/10kV capacitor, with under 1$ cost.
Posted inElectronics Hardware Research Robotics Software
ARA – differential robot platform
A new differential robot platform, with strong gear motors and low power consumption.
Aspell word lists / dictionaries for several languages
How to extract huge word lists for most languages, using the Aspell dictionaries.
More on Android’s Bluetooth
See how to get more Bluetooth functionality on your Android device then the interface offers you. Discover nearby bluetooth devices, and see what interaction options you've got.
Android adb error: “device not found” on Ubuntu
Hunting down some connectivity issues with the ADB command from the Android SDK.
Posted inElectronics Hardware
Atmega8 with Bluetooth radio module
Add Bluetooth functionality to your microcontroller project (atmega8).
Write on the Android Read-only file system
Hot news: You can change the android partitions to Read-Write so you can upload new file versions (eg. permissions.xml) .
Posted inAndroid Research Software Windows Mobile
Android C native development – take full control!
An useful post on how to use gcc and the android toolchain to produce native C applications for the google android.
Developing for Google Android – the SDK
Get started with Android Java development - a tutorial with detailed steps and lots of pictures to help you make your first android application.
Posted inHardware High Voltage Optics
Ultraviolet Light
Powering UV light tubes. A short comparison between UVA and UVC.
Developing for Google Android – update the OS version
A tutorial on how to unlock your Android G1, how to upgrade the ROM version and how to get Root on your embedded linux box.
Developing for Google Android – introduction
Learn:
- how to connect the Android to your Windows PC
- how to take screen captures from your Android
- how to install new software on your mobile device
Posted inHardware High Voltage
Homemade Flyback secondary
An easy way to built a high performance flyback transformer. Custom and perfect to fit your needs.
Posted inHardware High Voltage
How to build a Tesla Coil #3
ZVS Powered tesla coil with a nice setup on two decks
Posted inElectronics Hardware Research Robotics Software
Robo Evolution – how to build a better robot
A not-so-short article on various robot platforms I've experimented with. See my latest designs, and learn about my findings on robotics.
Posted inElectronics Hardware
A simple H-Bridge design
How to build a microcontroller to control a motor in both ways.
Posted inElectronics Hardware Research Software Windows Mobile
Win Mobile Tech Seminar in Lisbon, 11-12 March, 2009
A few words on the Windows Mobile Seminar held in Lisbon, Portugal, during 11-12 March 2009.
As a speaker at this seminar, I've presented a Voice Command Recognition system for Windows Mobile, in my topic named "Extending your Smartphone's functionality".
Posted inElectronics Hardware
ATMega8 and DS18B20 (digital temperature sensor)
How to use a digital temperature sensor (DS18B20) with a microcontroller (ATMega 8). Source code included.
Posted inBlackBerry Software
Developing for BlackBerry – introduction
My first contact with BlackBerry development: here's an article on what you need to get started.
Posted inElectronics Hardware
ATmega8 and 2×16 HD44780 LCD
A tutorial including source code on how to use a 2x16 LCD (HD44780) with the ATMega8 micro controller. LCD Interface as C++ Class.