PWM circuits
PWM circuits - related electronic projects and circuit diagrams (schematics), this helps you finding desired informations and facilitates your site navigation through all articles database.
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PWM Controller
Sep 16th
This PWM Controller circuit is ideal for controlling small motors with 2A maximum current consumption. For higher currents you need additional cooling for T2 and increase C2 value. This pwm motor controller is using the fact that the small dc motor has the revolution speed depending on the power supply voltage. (more…)
PWM DC power controller
Jan 31st
This DC power supply controller is controlled by pulse width modulation PWM, generated by the circuit around timer IC2 7555 according to the formula: Duty cycle = ((R1 + (VR1/2)/(R1+R2+VR1)) x 100% Diode D1 is used to bypass resistor R2 and half the effective resistance of the “lower” section of VR1, allowing the duty cycle to be varied from 0.01% to 99.9%. Read the rest of this DC power controller circuit. (more…)
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