Posted inElectronics Hardware
Variable regulated power supply
A variable 0..30V power supply for max 20ampers! See how to handle all the power and build your own reliable lab power supply.
Posted inHardware High Voltage
Marx generator
My first marx generator that gives 5cm sparks.
EDIT: >20cm sparks!!!
Android dynamic TAB Control
Learn to create a tab control on Android, without the XML layout. Add an image to the tab control in a few easy steps.
Linear Pseudorandom number generator (PRNG)
Understand what a random number is , how important the chaos is, and how to understand a sequence of numbers that seems to have no meaning.
Posted inHardware High Voltage Nuclear Reviews
Terra-P Radiation dosimeter MKS-05
The terra-p Radiation dosimeter can be used to measure Gamma, Beta and X-rays.
Posted inHardware High Voltage
High Frequency Solid State Tesla Coil (HF SSTC)
My first SSTC as a high frequency solid state tesla coil.
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 inElectronics Hardware Research Robotics Software
First Atmega8 bot – (Arduino board)
An article about a differential Arduino robot by Rodrigo Nascimento Hernandez
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) .
Handle drawing in Symbian
Learn how to handle drawing on the Symbian platform. A step by step guide on how to draw images and polygonal shapes.
Developing for Symbian
Make the first HelloWorld application for Symbian
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.
