opamp comparator tester

[kt315]

thought LEDs both have to light but in half light if the output in hight state.

[dbanner]

So for the quad LM339 test, only the four green LED's will be flashing. Got it.

[kt315]

status:

You chose Hong Kong Airmail. Your package will arrive in 1 to 8 weeks.

16 April 2018 06:05AM Shipped: Happy hacking!

[6666]

Interesting idea KT315, any idea on the final cost ?

[kt315]

final cost is as minimum as possible. i ordered 20pcs, 10 or 20pcs have same price (lol).
after anybody will buy last left 2pcs board of GMT i will share gerbers files so everybody will do on THEIR price.

[kt315]

layout

[kt315]

bought LEDs holders
https://www.ebay.com/itm/5mm-x-6mm-P...53.m2749.l2649
screw terminals
https://www.ebay.com/itm/5PCS-KF301-...53.m2749.l2649

[kt315]

hello to you from the kitty cat

http://ipic.su/img/img7/fs/Tb5bVHs8gPE.1523885421.jpg

[kt315]

Interesting idea KT315, any idea on the final cost ?

i though... either are you in Melbourne city or me? LOL )))

http://assets.nydailynews.com/polopo...a-long-jpg.jpg

[6666]

i though... either are you in Melbourne city or me? LOL )))

http://assets.nydailynews.com/polopo...a-long-jpg.jpg

yes I am in Melbourne city lol

[kt315]

got the boards. have to check =)

[6666]

Nice.

[dbanner]

hello to you from the kitty cat

http://ipic.su/img/img7/fs/Tb5bVHs8gPE.1523885421.jpg

Is that frozen lake? Holy crap. I must learn to appreciate tropical climate more.

[dbanner]

got the boards. have to check =)

So very nice.well done sir.

[kt315]