Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Boncuk - thanks again for sticking to the thread. Yes, you're right - only 2 of the 8 LED's will be on at one time, so your calculation makes sense to me. So I would need the CD4017 and a timer? Would the 555 timer work or do I need something else?
If I'm using 8 LEDS with two on at a time...
Thanks Boncuk - I'll have to brush up on how airport runways are setup.
Let me modify the post:
1 - I want to have 2 columns of 4 LEDs. I'd like 1 and 2 on at the same time and then 3 and 4 and so on until it repeats with 1 and 2.
2 - Also, I want to use high brightness LED's which would...
I want to create runway lights for a project. I want to have 2 columns of 4 LEDs. I'd like 1 and 2 on at the same time and then 3 and 4 and so on until it repeats with 1 and 2. Can I use a 555 timer for this? Ideally I'd like to have the sequence flash quickly, but would also like to be able to...
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