raffyturc

a hardware change from my 8servo walker, to using 12 servo..more moves

well, I will "convert" my 8 servo quadroped walker into a 12 servo walker.. LETS TRY shall we :)

an upgrade to my initial servo walker... now controlled by arduino328..more memory and more walking gaits!

Mobile Robot is controlled by trained neural network (six neurons network with one input, one hidden, and one output layer on the Robot's electroni...

a picaxe 08M based autonomous robot.. 1st build

LETS MAKE ROBOTS!! :)

initial hardware design / code still in its infancy

using 12F675 + some logic chips for PWM + dual H-bridge drivers for motor

-suppy is 4.8Vdc (4 ...

4 legged 8 servo walker

*using PIC16F676 & 74HC595

*9gram mini-servos

*with 5channel RC remote(hack)

now programmed with 4 walking patterns (forwa...

Experiments performed with a team of nano quadrotors at the GRASP Lab, University of Pennsylvania. Vehicles developed by KMel Robotics. Special t...

with my noisy and unPERFECT function gen ;)

Dieser kleine Flammenfresser wurde 2010 konstruiert und gebaut von Günter Bettinger. Die besondere Herausvorderung war es, heraus zu finden, ob ich...

zvs flyback driver with a DC flyback... still using IRF630A... spark length close to 2".. wow! supply of 20Vdc@2A only...

just a theory.. I forgot to place the 'load' coil ..*sorry*

my first zvs driver circuit.. I had to use IRF630A because local electronic store ran out-of-stock for IRFP250 ( I only got 1 here)

funny this is:...

well, my 1st tesla coil :)

flyback driven (zvs 320watts) SGTC..

and the winner is...

@30fps... done outside.. kinda windy out here

AND im using MYLAR caps as DC blocking CAP for half-bridge driver... really SUCKS!! MKPs where a LOT...

here is my finalized sine inverter project (220VAC 60Hz) output..

dont have an automotive 12V battery in hand so I am using a 12Vac/5A transformer...

this is an inductorless wah wah circuit on a homemade PCB. based off a simple op amp. please forgive the poor quality and my terrible guitar playin...

original video .... http://www.youtube.com/watc...

http://freeenergylt.narod2....

FREE ENERGY = FREE INFO !!!!

Quick and dirty demo.

Cool distortion that combines parts from the RAT, DS-1, DOD250 and Big Muff designs. Distortion, Tone and Volume controls....

This was a piece of equipment from a substation that was given to me. Not sure what ill do with it yet.

1,000 pets were interviewed by Pets Add Life. Conclusion: Pets need a pal to talk to.

See the rest on PetsAddLife: http://youtu.be/jW3XtKBlTz0

Foo...

Hi Guys,

have some of you purchased tubes by National(made in Yugoslavia)? does its initial (cold) heater work like this?

my supply is regulated ...

Glasses can change your entire face, usually for the better. If you pick the right frames and you pair them with the right makeup, you're going to ...

Congradulations to my son, and his school New Century he recieved a first place blue ribbon award for his bottle rocket, his mother was so excited...

OVERUNITY.COM

This is a direct web cam video of the STEAP working to show the different voltages within the circuit and a bit of explination of how it works.

App...

Go to http://www.danroe.net/ for high resolution images of this sculpture and many others.

Description: This minimally designed sculptural robot i...

actually, THIS is my first TUBE amp :)

6av6 single triode(preamp) and 6ar5 power tube in pentode, Single Ended Output (Class A)

NOTE: input of sco...

Folks - enjoy this FULL 22 minute demo of the Carvin Legacy 3 ! Complete Index of video is as follows:

00:00 Channel 1 Intro

1:00 TTK Intro

3:20...

part1-A means a DIFFERENT circuit from my previous attempts(w/c was lousy btw)..video shows only about 196VAC output because of a faulty battery, a...

you need to follow this thread, read it from 1st page and so on...

http://www.diyaudio.com/for......

Showing how a higher spacial field will allow the removal of the Al feed back unit. Also added a large Neon bulb so the overall output voltage coul...

Demonstration dance including the duck walk that was taught.

light / rain / sound proj

This video is the result of a friendly little discussion with SOLARTEACHER that took place in the comments section here:

http://www.youtube.com/wat...

I made a Universal Engine Control Unit (ECU) using dsPIC, it can run any Gasoline 1,2,3,4,6,8 Cylinder Engine. it can also support VTEC/VVT,

now with -proper- deadtime.... 55Vdc input(fullbridge) and 33VAC output... SINE

yeah. sorry i look like a crazy man at the end. BUT I WAS REALLY HAPPY!!! haha. don't watch the end if you are scared easily. jk.

previous circuit NOW with IR2110 driver...

here's the schematic many asking for, work as inductor as well;

what was surprised me most - the higher load (amperage) the less transistors overhe...