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* [http://www.isl.ee.boun.edu.tr/projects/motordriver/ "Electronic Design of DC Motor Drives"] has detailed schematics and PCB layout for a system that has a PC send commands through the serial port to a Microchip PICmicro, which does PWM control of 2 H bridges. Each half-bridge uses a IRF9530N (100V 14A pfet plus flyback diode) and a IRF530 (IRF530NPBF: 100V 17A nfet plus flyback diode), driven by a small transistor inverter based on a BD135 npn, for a total of 12 discrete transistors.
 
* [http://www.isl.ee.boun.edu.tr/projects/motordriver/ "Electronic Design of DC Motor Drives"] has detailed schematics and PCB layout for a system that has a PC send commands through the serial port to a Microchip PICmicro, which does PWM control of 2 H bridges. Each half-bridge uses a IRF9530N (100V 14A pfet plus flyback diode) and a IRF530 (IRF530NPBF: 100V 17A nfet plus flyback diode), driven by a small transistor inverter based on a BD135 npn, for a total of 12 discrete transistors.
 
* [http://openservo.com/ OpenServo wiki] -- developing a digital servo motor that accepts "Go to position X" commands and also more complex curves, and returns actual servo position, speed, voltage and power consumption.
 
* [http://openservo.com/ OpenServo wiki] -- developing a digital servo motor that accepts "Go to position X" commands and also more complex curves, and returns actual servo position, speed, voltage and power consumption.
* [http://www.phenostream.com/products/OSM_01.aspx OpenStepper] -- geared stepper motor plus driver. microstepping, 2 kg/cm torque, I2C interface, Freescale MPC17529[http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=MPC17529&fr=g] dual H bridge (0.7 A DC, 1.4 A peak, up to 6.8 V, 0.65 mm pitch), ATtiny84 -- firmware is open source, based on OpenServo.
 
 
* [http://homepages.which.net/~paul.hills/SpeedControl/Mosfets.html MOSFETs and MOSFET drivers]
 
* [http://homepages.which.net/~paul.hills/SpeedControl/Mosfets.html MOSFETs and MOSFET drivers]
  

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