Can anyone please help ?
I think this project can be sorted with a simple 555 circuit but I can't handle the calculations and there might be a better way ... so all good ideas greatly recieved.
I want to build a circuit that will reduce the power of a bike engine when a trigger is sent. My thought was to place a timer in between the coil pickup sensor and the electronic ignition. When I need to power to be reduced a very small delay from the timer will retard the timing and cause the power to drop.
Easy I thought. I can get as far as guessing that the normal rev range is about 4000 RPM and the pickup will be giving out 66 pulses per second ... how to turn this into an ignition retard of about 5 to 10 degrees is WELL beyond me.
All suggestions / diagrams / tissues to cry into are welcome
I think this project can be sorted with a simple 555 circuit but I can't handle the calculations and there might be a better way ... so all good ideas greatly recieved.
I want to build a circuit that will reduce the power of a bike engine when a trigger is sent. My thought was to place a timer in between the coil pickup sensor and the electronic ignition. When I need to power to be reduced a very small delay from the timer will retard the timing and cause the power to drop.
Easy I thought. I can get as far as guessing that the normal rev range is about 4000 RPM and the pickup will be giving out 66 pulses per second ... how to turn this into an ignition retard of about 5 to 10 degrees is WELL beyond me.
All suggestions / diagrams / tissues to cry into are welcome