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4 legged 8 servo walker
raffyturc
84 views
4 legged 8 servo walker
*using PIC16F676 & 74HC595
*9gram mini-servos
*with 5channel RC remote(hack)
now programmed with 4 walking patterns (forward/reverse/rotate lef...
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SINE INVERTER (FINAL)
raffyturc
1,191 views
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 as my power source.Usi...
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12ax7a from National
raffyturc
156 views
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 6.3V@1A... common connect...
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Vintage tubes 6av6/6ar5
raffyturc
305 views
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 scope TAKEN at the speake...
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my puresine inverter (part 1-A)
raffyturc
94 views
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, and needs to be replaced.....
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sine inverter part5
raffyturc
135 views
now with -proper- deadtime.... 55Vdc input(fullbridge) and 33VAC output... SINE
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sine inverter PART4
raffyturc
293 views
previous circuit NOW with IR2110 driver...
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kapa coil setup
raffyturc
51,339 views
just a theory.. I forgot to place the 'load' coil ..*sorry*
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sine inverter project STAGE3 (good results)
raffyturc
1,754 views
Hi again world!!
Redesigned the circuit to use a different PWM chip... the other PWM chip was over-modulated by the sine wave amplitude... don't want to add another "varia...
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sinewave inverter -sidebits :)
raffyturc
62 views
paralleled a big cap to lower freq and played with the ramp gen.. :)
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