Hi All,
I've been working on this for a couple of days now and am ready for help.
http://danyk.cz/polic_en.htmlI have this working as is. I also have this working by replacing 1M R's with variable resistors to create many different variations of on off times.
This circuit has me a bit confused and I can not find info to help me out because I don't know what what I'm looking for is called. Connecting my meter to pin 3 and pin 3 I get voltage switching from -2.5v to 3.65v and it of course keeps switching. So you may already know what's going on here but here are my findings.
Measuring from Pin3 to ...
Chip A Pin3 to VCC switches from -3.43v to -3.54v
Chip A Pin3 to GND switches from 3.62v to 3.7v
Chip B Pin3 to VCC switches from -1v to -7.10v
Chip B Pin3 to GND switches from 0v to 6v
Chip A Pin3 to Chip B Pin3 -2.50v to 3.65v
I would like to use a couple of mosfets in place of the LED's. I would like to switch a larger load. I have figured out many many ways not to do this, but I have yet to find a way to make it work. I've also tried only N-channel's.
Please help.
Thank you,
John
P.S. I'm not building a police car. I've a much different application.