For sale bare boards for Delta Pulse/Sniffer XR-71

[kt315]

KR574UD1

K is meant in round metal case capsulated. KR is meant in epoxy case.

[kt315]

for customer ordered me pcb with LF i bought in Greece, but LF356. https://www.ebay.com/itm/32423286283...gAAOSwcLxYKeFw
getting good result a buyer can buy LF357 from chineses choosing good one. DP is good tester for this opamp. with fake (slow/not JFET) opamp
DP will give constant sound without reaction on a metal. my stock of desoldered TL081's had ended, earlier i put it with pcb for free just the buyer
could get working board.

[surfdetector]

[ATTACH]55682[/ATTACH]I received it today[ATTACH]55682[/ATTACH]

Please let us know where you buy your LF357 from. Thanks.

[kt315]

glad to see you got the project -)

first of all you have to get a sound. https://www.geotech1.com/forums/album.php?albumid=121
pics https://www.geotech1.com/forums/album.php?albumid=56

[lqwki]

I received it today

[lqwki]

Hello! Where is the parcel so far? I'm looking forward to it.

[lqwki]

Thank you very much. I see it!

[kt315]

a video

https://www.youtube.com/watch?v=Qi5FScHORBQ

[kt315]

was sent.

[kt315]

thank you. i'll send a parcel as soon as possible.

[lqwki]

The payment has been made, check!

[lqwki]

How much does it come to? I'll pay you with PayPal!

[lqwki]

I have paypal. How long will it take to get to China?

[kt315]

hi. yes. do you have paypal?

[lqwki]

Hello! Can you send it to China?