Digital Counter using CD4026
A digital counter using CD4026 for fast event counting as those from Geiger Muller tubes or scintillation probes.
Hardware
Articles related to IT Hardware, but also to other physical artifacts of various technologies.
Longitudinal Excitation Nitrogen Laser
A Longitudinal Excitation Nitrogen Laser design, using a fridge pump for vacuum and N2 from air as lasing medium.
Building a socket for a power tube – TGI2 400/16
How to build a socket for a big Russian hydrogen Thyratron tube using copper connectors made out of a pipe.
Thyratron Switched Tesla coil (THYTC)
Using a hydrogen Thyratron tube to switch a Tesla Coil. The Thyratron tube replaces the noisy spark gap.
Relaxation oscillator using a Hydrogen Thyratron
Some details on the relaxation oscillators and my implementation using a hydrogen thyratron.
Pulse generator (Variable duration, frequency and amplitude)
A very customizable pulse generator built using three 555 timers, to control a relaxation oscillator hydrogen thyratron.
Pulse forming network
My DIY PFN for a relaxation oscillator using a hydrogen thyratron.
Twin Marx Generator
Some pictures with my marx generator throwing high voltage discharges!
Tube: TGI2 400/16 (ТГИ2-400/16), Russian hydrogen thyratron
A hydrogen thyratron is a device capable of switching big amounts of energy. The major advantage over other thyratrons is that the deionization time is reduced by using the hydrogen gas, generated in a small reservoir inside the tube, from a metallic Hydride.
Battery powered high voltage multiplier for gas igniter or stun gun
Learn how to build a compact gas igniter or stun gun, powered by a 9V battery.
Electric Fence – 20KV pulses for perimeter defense
Protect your tent’s perimeter from bears, when in the wild. A 20KV pulse generator will inflict painful shocks to anyone touching the perimeter electric fence wire. Not lethal, but very painful, enough to put unwanted visitors on the run.
How to build a Tesla Coil #4
A small spark gap tesla coil, a good example for an relaxation oscillator.
Rewind a Microwave Oven Transformer
How to rewind a MOT transformer for a high current low voltage power supply.
Wireless Power Transmitter
A wireless power transmitter used to send electrical energy without wires. It uses induction, an emitter and a receiver working on the 63.1KHz frequency.
Electronic Ballast for fluorescent lamps
A simple electronic ballast running on 220V designed to work with up to four small power fluorescent lamps
Vacuum tube tesla coil (VTTC) using Russian GI-30
A vacuum tube tesla coil built around the Russian tetrode GI-30. My first VTTC and my first vacuum tube circuit, and some very rewarding results.
High Voltage Power supply – 140KV
A CW High voltage supply that produces up to 140000 volts (140KV) . Simple, clean design, without oil, but with high quality multipliers.
Homemade Flyback secondary -3-
Build a disc shaped flyback secondary. A robust new design, that will do a great job in your High Voltage projects.
DIY/Homemade Geiger Muller Clicker V1
An article presenting a simple DIY Geiger Muller counter using the Russian tube SI-22G and a single transistor regulated inverter that puts out 400V, as required by the tube. A very basic detector assembled in 5 minutes. See an operation comparison to the Radex RD1706.
Thyratrons
An article on Thyratrons and a film showing three energized tubes : the 714, the 309/FG17 and the ELC1B.
Simple DIY Induction heater
A Royer oscillator with 2 IRF540 N-Channel mosfets, a 0.47uF Capacitor and a 1500uH inductor used for an induction heater. The mosfets remain cool, even with such small heatsinks.
A Farnsworth–Hirsch Fusor failed attempt
My first attempt in building an inertial electrostatic confinement device . It didn’t work.
Multitester using ATMega8 and HD44780 LCD
An Atmega8 multimeter that can measure Transistors: Bipolar/Mosfet , Diodes and Double Diodes , Resistors, Capacitors: between 0.2nF to 7300μF, Triacs and Thyristors.
Ion thruster using 50KV Supply
Build a Ion Thruster using light materials and power it using a 50KV supply to see another kind of propulsion.
Homemade/DIY High voltage probe
Using a high voltage 1GOhm resistor to built a DIY high voltage probe, to measure voltages up to 55KV with a normal multimeter, by scaling the voltage down by 1/1000.