keknor
keknor
@keknor
Member
Joined: 2019-12-18 6:27 pm
Last seen: 2024-01-22 8:09 pm
Topics: 5 / Replies: 22
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RE: Open two svingdoors with two servos in random angles using two IR sensors along a railroad track

Thank you Will. Your sketch will not do what I try to achieve. I will try to explain better: Drawing show a train to the right with two wagons apr...

8 months ago
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RE: Servotester with NE555 timer adapted to drive for modelrailway turnouts

Ron, there is no code. See my first post, page 1. You wrote: "It helps if you follow a style guide and use appropriate comments but if not we will...

9 months ago
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9 months ago
Replies: 1
Views: 375
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RE: Servotester with NE555 timer adapted to drive for modelrailway turnouts

@inst-tech and all, More than two weeks since last post. Now I have some improwements on the turnout control board with the 555 timer, It is now al...

9 months ago
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RE: Servotester with NE555 timer adapted to drive for modelrailway turnouts

😀 HHello again. I did a cleanup on the solderside. Here is the result

10 months ago
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RE: Servotester with NE555 timer adapted to drive for modelrailway turnouts

Thank you for your kind answers, Ill study it! I found this NE555 tester: I made it in Tinkercad: It blinked green-red-green etc. Then...

10 months ago
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RE: Servotester with NE555 timer adapted to drive for modelrailway turnouts

Thank you again for all advice. I found this on the internett: 555 Timer IC Testing Circuit and Its Working (electronicshub.org) I made it in Tin...

10 months ago
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RE: Servotester with NE555 timer adapted to drive for modelrailway turnouts

I have now aquired some sockets for the 555 timer (etc). I have replaced the 555 timer and soldered in place the new socket. Onto that I hav pushfitte...

10 months ago
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RE: Servotester with NE555 timer adapted to drive for modelrailway turnouts

Thank you all for the good advices! I just lost my reply by pushing "Add reply" Here is a short version: Cirkuit from Dronebot Servotester copie...

10 months ago
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RE: Servotester with NE555 timer adapted to drive for modelrailway turnouts

Hello again, Yes, i did find a few bad solder joints. So I resoldered all connections with my pinpoint solderingtip. I checked with 5v applied to ...

10 months ago
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RE: Servotester with NE555 timer adapted to drive for modelrailway turnouts

Thanks again to all of you. Its 7pm here now and I am out for the evening (argentine tango) I will test your advice/suggestions tomorrow The 55...

10 months ago
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