Hello,
I am attempting to simulate a hazard light/turn signal combo. I have implemented a 555 astable timer and one clocked J-K flip flop, as seen in my schematic attachment. I needed them to flash at different rates, hence the J-K to create a slower waveform. I am using the slower flashing rate from this J-K to drive the turn signals, and have the hazard lights connected directly to the 555 for a faster rate.
I have both signals working independently at the slower frequency, and additionally have the hazard lights working at twice the speed of the turn signal flash. The problem is, when the hazard lights are flashing, I need the turn signal function to be disabled. Currently when the hazard lights are flashing and I turn on either turn signal, the slower waveform from the turn signal is seen in the LED output as well, creating a strange output frequency.
I'm sure there is some simple logic here that I'm missing, but I just can't put it together. I need the hazard light to completely shut off the turn signal inputs when it is enabled. Thanks so much for any help you can offer.
I am attempting to simulate a hazard light/turn signal combo. I have implemented a 555 astable timer and one clocked J-K flip flop, as seen in my schematic attachment. I needed them to flash at different rates, hence the J-K to create a slower waveform. I am using the slower flashing rate from this J-K to drive the turn signals, and have the hazard lights connected directly to the 555 for a faster rate.
I have both signals working independently at the slower frequency, and additionally have the hazard lights working at twice the speed of the turn signal flash. The problem is, when the hazard lights are flashing, I need the turn signal function to be disabled. Currently when the hazard lights are flashing and I turn on either turn signal, the slower waveform from the turn signal is seen in the LED output as well, creating a strange output frequency.
I'm sure there is some simple logic here that I'm missing, but I just can't put it together. I need the hazard light to completely shut off the turn signal inputs when it is enabled. Thanks so much for any help you can offer.
Attachments
-
47.6 KB Views: 57