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which micro? heard that 8051 is good....any advice?

i need to control speed using pressure, so this would work? no need of micro-controller?

its a brushless DC motor. it does have a THROTTLE to control its speed and PWM signal. i would probably need 4-5 speeds based on the pressure in hydraulic pipe(lower the pressure higher the speed and vice-versa)

so, is it even possible to do what i am trying to so? any other suggestions or changes on how to make it work?

other ideas, instead of using micro-controller? basically need to control speed using pressure sensor(hydraulic)

I need to control the speed of a DC motor using micro-controller which would take input from a pressure sensor(hydraulic pressure). I read about 8051 and it seems most widely used micro controller. But how to configure it with the motor? All the motor has for speed control is a throttle. Top...

can't i use any device to increase the pressure? i read about some, pressure booster on the net. can that work?

but I need to maintain the output piping pressure to be 30bar. is it feasible to let the human keep peddling and let the pressure increase to 30bar so that it pass through(though slow but it will work, right?)

I need to run an electric DC motor, by sensing the pressure at a hydraulic pipeline(lesser the pressure more the speed of the DC motor). What pressure sensor should I use. Someone suggested a piezoelectric pressure sensor, but will it work properly with the hydraulic pipeline, which would have...

I have a hydraulic design problem. There are two hydraulic pipelines, two pumps: one being driven by electric motor, the other by a human by peddling. I need to join both the flows in one. Both pipes have non-return valves at the end. The problem is, the pressure by electric motor pump is...