PiTone-v2-by-Eddy71 Has anyone on here built this ?

[David_1]

This match's leds on my pcb, powered from a decent 12v power supply.

[David_1]

Can use MC34036 IN DIP BOARD

well it is not the same chip or pinout that Eddy built it with I suspect when you change the design it may not work as well as the original ?

[David_1]

There's a mistake.
I have written many times both on my website and on the metal detector forums that you should power from a battery.
The power supply from the laboratory power source, due to the capacitive coupling with the mains supply, causes a lot of interference.

seems to work on the bench just fine, it may not give the range, I dont know what is good from this, but it detects metal and shows one led fron a distance and as you move it closer it goes up to six leds
better than that mine now outputs serial data showing 1 to 6 on the screen matching the led output.
But are you saying it's a mistake because it will work better on a battery ?

[sbalio1]

Can use MC34036 IN DIP BOARD

[Eddy71]

Powered from bench supply @ 12volts

There's a mistake.
I have written many times both on my website and on the metal detector forums that you should power from a battery.
The power supply from the laboratory power source, due to the capacitive coupling with the mains supply, causes a lot of interference.

[David_1]

Hi david thehex test light dont work just blinking and bad sound
i tell you friend about DIP PCB NOT SMD . if you have it thanks friend

My code only makes led's flash one at a time ? did you see all six led's light up with my code ?

[sbalio1]

Hi david thehex test light dont work just blinking and bad sound
i tell you friend about DIP PCB NOT SMD . if you have it thanks friend

[David_1]

It's very simple: you have to read the instructions.

20 turns of wire with a diameter of 0.5-0.6 mm on a ring with a diameter of 20 cm. And everything will work.

YUP Read it all many times, my question was more about, the expected test result decides as per your quote
"When the light on the LEDs runs from the first to the sixth, the controller tests the power stabilization and current of the coil, when the light moves back, it is calibrated to the amplifier modes.
Accordingly, if an error occurred during the first scan (voltage converter, coil, battery, wires), the first LED flashes, if the amplifier malfunctions (or a fake operating device), then the second LED will flash."

Powered from bench supply @ 12volts
first scan (voltage converter, coil, battery, wires), the first LED flashes = this cannot be voltage converter not fitted.. cannot be battery not fitted so must be wires or coil.

I already knew fist coil was low on inductance, I wound a new coil still low but its functions. I know the inductance from one of the three meters I own,
My question was more a general one can the detector tell you more about the fault on the coil, than just one led ? when the inductance is too low. where might the circuit be failing? this question is not just for the pitone but all PI detectors ?

[Eddy71]

It's very simple: you have to read the instructions.

20 turns of wire with a diameter of 0.5-0.6 mm on a ring with a diameter of 20 cm. And everything will work.

[David_1]

hi david eddy and all friends here can ennyone have pcb dip . for this machine

https://www.eddy.com.ua/download/%d0%bc%d0%b5%d1%82%d0%b0%d0%bb%d0%bb%d0%be%d0%b4%d0%b5%d1%82%d0%b5%d0%ba%d1%82%d0%be%d1%80-pitone-v2-%d1%84%d0%b8%d0%bd%d0%b0%d0%bb%d1%8c%d0%bd%d1%8b%d0%b9-%d1%80%d0%b5%d0%bb%d0%b8%d0%b7

[spartalian]

hi david eddy and all friends here can ennyone have pcb dip . for this machine

[David_1]

[David_1]

well it works ,but needs a little tuning now.
it did have the blinking led (problem) well not really a problem. the coil did not measure 350 mH already forgotten the resistance lol will check.
so I added more wire to the coil, thinking that must be enough... still only measured 250 mH.. but that was enough to allow it to work.
without any way of measuring inductance, can you make a coil that should work ?

I am thinking could the detector itself, tell you to add or subtract more wire ? your thoughts ????

[David_1]

Thanks you friend EDDY 71 . but i ask you please i just have pic16f1824 then . Can this pic16f1824 work instead pic16f1824 i see it s seem resombling. I try many TL072 THAT I HAVE . Can you chow whitch mark uses.

This code is for a PIC16f1823 it should work on the 1824... all it does is flash the 6 leds, try it on your setup ?

[sbalio1]

Thanks you friend EDDY 71 . but i ask you please i just have pic16f1824 then . Can this pic16f1824 work instead pic16f1824 i see it s seem resombling. I try many TL072 THAT I HAVE . Can you chow whitch mark uses.