but you're saying it should go between my solenoid and the mosfet?
When you say switching every 10 ms, do you mean a 10 ms PWM period (100 Hz) to maintain the solenoid position or are you actually trying to actuate the solenoid at that rate?
If I'm using the Arduino with the motor shield and usign the T0-220 mosfet, what vlaue do I need for R1
Actually trying to actuate the solenoid at this rate. The solenoid manufacturer at one time sold a progressive controller for the solenoid. The factory controller could start the solenoid at 10% rate and ramp to any percentage desired in 1% steps so I'm assuming the solenoid can do it. What I'm thinking is at 1% you have 10ms on and 990ms off, at 50% 500ms on and 500ms off, or 31% 310ms on and 690ms off.
Setting the NOS Pulse Frequency
Place the Select Switch at the NOS Pulse Frequency position. Using the .001 Data Switch, select the desired frequency.
Example: [0 = 20, 1 = 25, 2 = 30, 3 = 35, 4 = 40]
Press the Programming Switch to enter your selection.
NOTE: The Pulse Frequency = how many times per second the solenoids operate. The higher the frequency, the more pulses per second. All production NOS solenoids operate best at 25 – 30 Hz.
All production NOS solenoids operate best at 25 – 30 Hz.
And my best resolution is basicly 34 steps or 3% blocks.
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