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- From: mollers.pad@sni.de (Josef Moellers)
- Newsgroups: sci.electronics
- Subject: Re: chaser lights
- Keywords: chaser lights
- Message-ID: <1d8b3mINNgqe@uranium.sto.pdb.sni.de>
- Date: 4 Nov 92 11:10:46 GMT
- References: <1992Oct22.143703.6299@sactoh0.sac.ca.us> <1992Oct30.194327.841@phx.mcd.mot.com>
- Sender: josef@uranium.sto.pdb.sni.de
- Organization: Siemens Nixdorf Informationssysteme AG, Paderborn, Germany
- Lines: 27
-
- In <1992Oct30.194327.841@phx.mcd.mot.com> schuch@phx.mcd.mot.com (John Schuch) writes:
-
- >In article <1992Oct22.143703.6299@sactoh0.sac.ca.us> jhp@sactoh0.sac.ca.us (Jim H. Puga) writes:
- >>I understand I missed an article about how to build chaser lights
- >>and was hoping that if someone still has that article if they could
- >>e-mail it to me?
- >>
- >>If anyone has any suggestions on how to do it, I will gladly
- >>accept those also.
- >>
-
- >Build an oscillator with an LM555, connect to output to a 7493
- >TTL binary counter, connect the BCD output to a 74154 TTL BCD to
- >1 of 16 decoder, connect the outputs of the 74154 to solid state
- >relays starting with output 1, connect the first unused output
- >from the 74154 to the reset input of the 7493.
-
- Jim was probably referring to these "KITT"-like lights that go back and
- forth.
- You'd have to use an up/down counter (don't have the number) and combine
- both the first and last output of the decoder to generate a trigger
- input to a flip-flop supplying the input for the up/down signal.
-
- --
- | Josef Moellers | c/o Siemens Nixdorf Informationssysteme AG |
- | USA: mollers.pad@sni-usa.com | Abt. STO-XS 113 | Riemekestrasse |
- | !USA: mollers.pad@sni.de | Phone: (+49) 5251 835124 | D-4790 Paderborn |
-