Posted inElectronics Hardware
Portable Environmental Monitor
The portable environmental monitor addresses pollution, the kind that we are unable to see but…
Posted inElectronics Hardware Nuclear
The first prototype
It's been a crazy run, trying to make this happen. After less then one month…
Posted inElectronics Hardware
A true hacker makes his own PCBs
A true hacker makes his own PCBs. Dual layer. And in the kitchen. Why so?…
Posted inElectronics Hardware
Resistive touchscreen
A complicated project July was a tough month, and August is no different. Due to…
Posted inElectronics Hardware
MiCS-VZ-89 Air Quality Sensor
The MiCS-VZ-89 Air Quality Sensor can detect carbon dioxide and volatile organic compounds. This article shows how to access its readings via I2C.
Posted inElectronics Hardware
Sharp GP2Y1010 dust sensor
The Sharp GP2Y10 dust sensor can detect dust in air using the reflected infrared light, including very fine smoke particles. See how to use it with a microcontroller.
Tube: SBT-9 End Window Geiger tube
Pictures: This is a rare Geiger Muller tube with a mica end window that allows…
Posted inElectronics Hardware
ESP8266 Troubleshooting
I got a few esp8266 modules back in 2014, shortly after they've been announced on…
Posted inElectronics Hardware
ILI9341 touchscreen LCD Library
I got a few QVGA LCD's with resistive touchscreen for an ongoing project. All that…
Posted inElectronics Hardware
Introduction to STM32 microcontrollers
Introduction to STM32 microcontrollers shows how to setup the ide and toolchain to edit and compile STM32 apps on a MacOS workstation.
Posted inElectronics Hardware Nuclear Tubes
Tube: LND-712 End Window Alpha-Beta-Gamma Detector
Pictures: An excellent miniature mica window Geiger tube, suitable for detecting Alpha, Beta and Gamma…
Posted inElectronics Hardware
Digital bench power supply
As a follow up to one of my earlier projects, the Variable regulated power supply,…
Posted inElectronics Hardware
Serial Digital to Analog converter (serial DAC)
Introduction We're used to Analog to Digital converters (ADC) in a variety of applications such…
Comparison of dosimeters
Like with all measurements, it will be very hard to find two different devices indicating…
Posted inElectronics Hardware Nuclear Software
DIY Dosimeter Geiger Counter KIT1.0
Note: there is a newer version of this project, KIT1.1, see it here If I…
Posted inElectronics Hardware
Atmega8 UDP Client
As a follow-up to Radu's Atmega8 and enc28J60 for ethernet support article, I used the…
Posted inElectronics Hardware
ILI9163 LCD Library
An open source code library for the ILI9163 LCD. Circuit diagram for connecting it to an ATmega128 and demo video are included.
Tube: SBM-21 (СБМ-21) Miniature Geiger Muller
The SBM-21 Geiger tube offers relatively good sensitivity especially when compared to its ultra compact size.
Tube: STS-5 (СTC-5) Geiger tube
The STS-5 is a geiger tube for hard beta and gamma detection, manufactured in USSR in the 60's, similar in specs to the newer SBM-20.
Posted inElectronics Hardware
Atmega128 Voodoo
Apparently I had no better inspiration on how to name this post. It all started…
Posted inElectronics Hardware
DIY AVR Development Board with Atmega128
Eagle diagrams and instructions for building a DIY Development board featuring the powerful Atmega128 microcontroller
Tube: SI-3BG (CИ-3БГ) Small Geiger Muller
SI-3BG Geiger tube is suitable for detecting high radiation doses, but finds little use in DIY applications.
Posted inHardware
The AVR Watchdog
The AVR Watchdog is an essential mechanism to protect long term run applications from code freezes affecting their functionality.
Tube: SI-22G (CИ-22Г) Sensitive Geiger Muller
Pictures: Details: The SI-22G is a highly sensitive hard beta and gamma radiation detector tube,…
Posted inElectronics Hardware
Single Chip Computer
Learn how to create a single chip computer running BASIC.
Posted inElectronics Hardware High Voltage Nuclear
3V to 400V regulated inverter for Geiger counters
A robust regulated high voltage supply, an inverter (boost converter / step-up) 3V to 400V for portable applications.
Posted inElectronics Hardware High Voltage
Electric Fence Circuit for perimeter protection
Two battery operated, portable, electric fence designs using 555 and 556 timers.
Posted inElectronics Hardware High Voltage
Small size High-Voltage regulated inverter
Build a battery operated, compact high voltage inverter for Nixie tubes, neon bulbs or Geiger counters.
Posted inElectronics Hardware High Voltage
555 Timer revisited
An article on the well known 555 timer and a few rather unknown applications.