djhedges Posted May 3 Report Share Posted May 3 I have a Razor PDM & Fury ECU talking over CAN bus and controlling things like the fans & fuel pump correctly. My next goal was to actuate the brake lights with the PDM based on pressure voltages from the ECU. Wiring currently ECU AnVolt 8 - Front brake pressure ECU AnVolt 9 - Rear brake pressure PDM PWROUT2a - Brake lights Bonus points for redundancy such that if a brake pressure sensor fails the brake lights still work. Extra bonus points if we can make the brakes blink. Quote Link to comment Share on other sites More sharing options...
Laminar Posted May 3 Report Share Posted May 3 GP analog 1 is front brakes, GP analog 2 is rear brakes, CAN Aux 8 turns on if either pressure is over whatever threshold you set. You could probably make it flash by using a GP PWM output. Quote Link to comment Share on other sites More sharing options...
djhedges Posted May 3 Author Report Share Posted May 3 Thank you, GP output was the missing piece of the puzzle. Maybe there is a way to play with timers & math to get the lights to blink? This is what I ended up with which seems to work well. Quote Link to comment Share on other sites More sharing options...
Vaughan Posted May 5 Report Share Posted May 5 To make them flash under higher pressures you could use a gp pwm instead of a gp output with the same conditions and then in the duty cycle table have the pressures on the axes with 100% DC for full on and 50% DC for flash. Quote Link to comment Share on other sites More sharing options...
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