Delta Pulse

[alonejax]

porkluvr

how i can to make big & good coil example 1m*1m
if i make that , i must change damping resistor?
flat coil is better or normaly coil?thank you

[alonejax]

thank you orbit

[Orbit]

[Orbit]

hi orbit
can you help me for original hex file for delta puls digital3?
thanke you

hi alonejax !Unfortunately I have no hex file delta puls digital 3 ! I'm not actually doing the delta ,I intend working to Hex file and which is given here connect in my detector in addition and is different of delta pulse the detector the closer ssp 2100 which is a combination pulse induction with magnetometer ! All the best !

[alonejax]

excuse me pin name are tr1-9
i think for divorce gold & metal

[kt315]

hi kt315
thank you
can you say me how i can use from pr1-9 pin please?

hi, where you found or see pr1-9 pin? point me on the schematic.

[porkluvr]

special thanks from my friend porkluvr
finaly i make delta puls
it sence 21k gold coin 1 gram 13 millimeters diameter in 10 cm
can i fix to beter my delta?
how i can use pr1-9 pin in delta board?

That looks like progress, although I can't tell you how it compares with the best capability of Deltapulse.

how i can use pr1-9 pin in delta board?

I'm sorry but I do not understand what you mean. "PR1" I understand, but I don't understand the meaning of "PR1-9". Please explain.

[alonejax]

hi orbit
can you help me for original hex file for delta puls digital3?
thanke you

[alonejax]

special thanks from my friend porkluvr
finaly i make delta puls
it sence 21k gold coin 1 gram 13 millimeters diameter in 10 cm
can i fix to beter my delta?
how i can use pr1-9 pin in delta board?

[alonejax]

hi kt315
thank you
can you say me how i can use from pr1-9 pin please?

[Orbit]

Thank you Altra ! I will try and I will write what happens !!

[Altra]

Thank you Altra -I will try your suggestions to apply ! about turning on the LCD before about 1 second Do you mean specifically lcd be switched on without CPU 18F252 ?After a second processor to the only ? talk about Winster WH1602b that the real problem , best time !

Yes turn the LCD on first. I am not sure what the state of the PIC18F252 output pins is when powered off. You may need to add 10K pulldown or up resistors to the LCD I/O? Another thought is noise from the power supply to the LCD. Try adding an electrolytic capacitor right to the LCD module on the +5volt input.

[Orbit]

Thank you ! Speedy_G - exactly what this is about primarily from China floods even integrated circuits I have to buy a larger amount I'd found a few pieces that work of 20 lf 357 only one was correct ! Thank you Altra -I will try your suggestions to apply ! about turning on the LCD before about 1 second Do you mean specifically lcd be switched on without CPU 18F252 ?After a second processor to the only ? talk about Winster WH1602b that the real problem , best time !

[porkluvr]

thanks porkluvr
can you help me to made a good coil please ?
i want change inside resistant of irf740 to 1k & other side to 680 ohm you say me
my coil is 30 turn of 0.35 wire in 19 cm ring with 4.6 ohm
my wire connect coil to box have 2.2 ohm
when i connect coil to wire i have 5.1 ohm
what i must doing? thank you

You will be better off if you do not use enamel wire, (also magnet wire, lacquered wire)... it might go by different names, but all are similar.

Enamel insulation is thin; too thin make the best coil because interwinding capacitance will be higher than with PVC or Teflon insulated wire. 0.35mm diameter is a good choice because it is not too thick. The Deltapulse can draw excessive current if the coil wire is too thick.

Try to make sure your wire has [PVC or Teflon] insulation rated for 600V.

For your 2.2 ohm resistor between the coil and IRF740, use a 1W resistor, otherwise when you turn pulsewidth and PPS up high, the resistor may get too hot.

I still say you need 430 ohm damping resistor for best result, but that is only a guess because you need to use either trial and error (experimenting by using different resistor values), or else use a good oscilloscope, to make that determination with any certainty.

[kt315]

thanks porkluvr
can you help me to made a good coil please ?
i want change inside resistant of irf740 to 1k & other side to 680 ohm you say me
my coil is 30 turn of 0.35 wire in 19 cm ring with 4.6 ohm
my wire connect coil to box have 2.2 ohm
when i connect coil to wire i have 5.1 ohm
what i must doing? thank you

http://www.geotech1.com/forums/showthread.php?20401-Coil-Calculator-soft&p=170200#post170200