PWM...HOW TO MAKE THE LAWTON PWM CIRCUIT

[gilligan80]

There is an easier way to achieve somewhat better results with the single transistor flyback driver circuit that is available online. Look for the Meissner Oscillator. Too much to go into in the comments section here... if anyone is interested in info id be willing to share... i have trouble reaching higher freq's with the lawton circuit... for some reason the other one is easier to understand and you can tune it by moving the feedback coil...

[irondmax]

@gilligan80 this circuit is more adjustable then your circuit

i am sure your circuit does what ever it does

if you want higher frequency with a circuit, just add transistors

i can easily power up a car coil with this circuit here and 1 transistor and a couple resistors, and i garintee much more adjustable then your circuit

there are plenty of simple circuits for many things, its good to learn them all

good luck to you with that

[guruji243]

Hi Irondmax in one of your answers you said that one can add two Mosfets for more amps. So just add another with the one used? 3 leg to the other?

Thanks

[irondmax]

@guruji243 no

the other mosfets must be added just like the first....the mosfet is just a switch......the rest of the circuit is what turns on the switch

think of the mosfet as a light switch.......your finger is the rest of the circuit

if you want more power......the same finger turns on all the switches

the irf640 is 15 amps......use 2 and you now have 30 amps

there is 2 resistors on the trigger of the irf640.....repeat resistor and irf ...as needed

basically

[dreamsean]

Sir whats the used of capacitor in this circuit??? coz i saw last time your video you didn't touch the selector switch for for the capacitors to show us the difference out put... does those capacitors has mean a lot for this or for just for viewing oscilloscope purposes only???? why this circuit has dual circuit???? whats the used of 2nd face of the circuit???? 100 thanks for enlightening always...

[irondmax]

@dreamsean capacitors add more frequency selections to this circuit

the dual circuit ..........one circuit turns the other circuit on and off.............a duty cycle

[dreamsean]

Good day Sir Robbinhood, i just notice when i am placing all capacitors listed below of the circuit from first face or left side of the circuit, from cap. 14 to 16... those positive (+) side are connected to rotary switch..... and compared to Dave Lawton designed capacitors negative (+) side connected to rotary switch.......please help, it seems confusing.....again 100thanks and God Blessed!!!

[irondmax]

@dreamsean negitive most always goes to the ground ........lawton and my diagram the neg gows to ground

all caps have one sided at ground......if you see a - put it to ground............the selector switch........all caps pos are soldered to selections on the switch and all grounds will touch the gound

[dreamsean]

Good day Mr. Robbinhood, up to what suggested amps to be used in this circuit sir?????!00 thanks

[irondmax]

@dreamsean all pwm amp load depends on the mosfet and if ypu have a fan to cool the mosfet

heat in the circuit will cause failure

[dreamsean]

last i forgot sir, does this Dave Lawton alike circuit can it be used longer hour in a day???? how does it work? 100 thanks

[irondmax]

@dreamsean depends on how many amps you are using

[dreamsean]

Good day Mr. Robbinhood, can i ask, up to what amp can this circuit hold??? Can this Dave Lawton alike circuit use only tap water or pure water to produce ortho hydrogen or parahydrogen spontaneously? Can i ask further the additional capacitors below if how their real position coz seems confusing their lines circuit designed??? And what kind of additional switch imported to the circuit connection? is this a dip switches? 100 Thanks for being kind sir!!!! Again 100% thanks

[irondmax]

@dreamsean i use a rotating selector switch..............any switch .........as long as you just connect one capacitor at a time

circuit only uses less than 1 amp......the other amps depend on your water.....and what is in your water.

the hydrogen and water depends on what is in the water and how you desgn or make the inductors and other things......

pure water is much more complicated

[vox1philippines]

Bro Max just finish your buck circuit and its working.... Now, preparing the parts for this PWM witch you make it posible any body can do.... coz you make it EASY for us to fallow....MABUHAY KA ! SALAMAT BRO !

[drumstick9000]

so the 50K wont make a difference?

[irondmax]

@drumstick9000

same thing......

it will work

[drumstick9000]

the 1uf 16v cap. why a 50K pot?

[irondmax]

@drumstick9000

1uf can be 50 volt or 25 or 32......

look for it in something like satalite reciever .....if you cant find new.

50 k is the pot you will find, not marked 47 k

[drumstick9000]

what voltage values do i need to get for the capacitors?

[irondmax]

@drumstick9000 i use 50 volt electrolitic capacitors and 100 volt ceramics

25 volt is ok......just needs to be about 2 times more than your supply voltage.

anything else?

[drumstick9000]

@irondmax i think thats about it, i bought some parts for that today! they didn't have any of the capacitors though.

[irondmax]

@drumstick9000

radio shack should carry the caps.... main ones are the 100uf, 10 uf, and the small ones.....i think 104, 103 , i use a 102

[drumstick9000]

@irondmax is digikey a good place to get stuff?

[irondmax]

@drumstick9000

i have all the stuff.....i sell the kit for 20 dollars.....caps, resistors,2 555 timers, 1 switch, 4 pot,1 irf 640, and a prototype board......no selector switches......i bought them when i was in china...

i never ordered from digikey..... i am sure there ok

all electronics......you can google them........

you can buy from ebay.......

radishack should have most of it......

if i buy from ebay........the shipping is the same if you buy 1 capacitor or 100

so....i buy 100s

[drumstick9000]

@irondmax yeah all i need now is one cap and the 47K pots. i am having trouble finding them.

[irondmax]

@drumstick9000 which cap?

look fpr a 50 k pot.....not 47 k

[gilligan80]

another interesting thing is that it acts like a battery as well.... once the oxide layer is built up with no power supply attached you can put in tap water and watch tiny amounts of gas that come off... which at first i thought was just because of pouring the water in but after the water settled you could see the bubbles react magnetically once they reached the surface of the water....

[gilligan80]

The circuit is just half of it.... once you get the tubes conditioned with a layer of chromium oxide the output goes way up... the oxide layer is the dielectric that makes the cell TRULY act as a capacitor and it will not truly act that way until you get the oxide layer built up.... which this circuit has a way of cleaning the dirtiest stainless steel...it does somewhat act as an ultrasonic cleaner...

[irondmax]

@gilligan80 you are correct........

thanks.......

now try hooking it to an alternator or a step up transformer

thanks

[H2Truckers]

Will this work with a 6V cell or just 12V?

I am worling on a 6V JoeCell using a 12V setup.

[irondmax]

@H2Truckers yesit will work just fine........no changes are needed.........you can feed it with 6 volts ........and keep your amps

the irf chip if i remember correctly will handle up to 200 volts at 18 amps....

anything less is ok............heat sink is need . you can use more than one or they make bigger amp ones

the circuit itself will only consume miliamps......and you can power it from 1.2 volts to 18 volts safely....

the pulse with will adjust your voltage.......but limit your amps...

[vox1philippines]

thank you sir for the time posting. help us a lot...

rgrds ....

[irondmax]

@vox1philippines your welcome......i hope it helps everyone

this one you can adjust alot.......if you want more amps you can use a bigger Nfet or more than one..........i only use around 3 amps with my hho. the fequency of the master side controls the amps. the irf640 is good for 18 amps i think.... please remember amps are expensive to make and control