Now showing circuits 21-40 of 40. Sort by
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NTC fan speed control PUBLICThis is the complete circuit to control the mini fan in my Apple’s Time Capsule by a NTC sensor and a dual timer ICM7556IPD (CMOS). The project basically consisted of three parts because I did not... by Sancho_P | updated November 13, 2012 555 behavioral-sources fan-speed-control newbie ntc pwm time-capsule |
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NTC converter for fan speed control PUBLICA simple converter for a NTC thermal sensor to a voltage signal. The DC-Sweep simulation is used to pick the desired resistance value in series to the NTC. by Sancho_P | updated November 07, 2012 |
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555 Clock for fan speed control PUBLICA 25 kHz clock circuit, set to about 75 % duty cycle, using a 555 timer. by Sancho_P | updated November 07, 2012 |
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555 PWM for fan speed control PUBLICI wanted to control a computer’s fan speed by the air temperature at the “hot spot” (the power supply air outlet). The project consists of three parts for easy simulation and was later verified on a... by Sancho_P | updated November 07, 2012 |
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Dual 555 PWM generator PUBLICA simple 2x555 PWM generator intended for use as an ADC in which a computer times the pulse length. U1 produces a chain of trigger pulses for U2, which produces pulses whose length is dictated by the... by thekeywordgeek | updated October 31, 2012 |
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10% to 90% switched PWM source 01 PUBLICA way to generate a pulse train so that it's duty cycle switches from D to 1-D. Implemented by scaling, then inverting and level shifting a CLK source set to a duty cycle D, using the USTEP function.... by signality | updated October 01, 2012 |
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simple class d amp 01 PUBLICA very quick and dirty Class D amp demo by signality | updated August 07, 2012 |
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PWM 01 PUBLICV(duty) sets the duty cycle of the PWM output. V(saw) is a 0 to 1V swing sawtooth and sets the PWM frequency. V(amp) sets the amplitude of the PWM output. V(offset) sets the DC offset of the PWM... by signality | updated July 28, 2012 |
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PWM Motor Control PUBLICby Phozz | updated July 19, 2012 |
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3 Phase Oscilator Motor Driver PUBLICby jhonalvez | updated May 18, 2012 |
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Copy of danielfiction`s 555 motor controller (high motor current) PUBLICby jhonalvez | updated May 18, 2012 |
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H-BridgeMotorController PUBLICA H-bridge Motor Controller using pwm input to control forward reverse. by strigo8183 | updated May 04, 2012 |
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BJT PWM -- multi-stage rise/fall times PUBLICPower BJTs can be used to switch lots of current, but they require lots of base current as well. by mrobbins | updated March 28, 2012 |
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PWM PUBLICSimple potentiometer controlled PWM with the classic 555 chip by pkilian | updated March 07, 2012 |
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Sturdy flyback driver PUBLICA flexible and durable flyback transformer driver. by justincardoza | updated March 05, 2012 |
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PWM Motor Driver PUBLIC555 pwm circuit for driving a bunch of PC case fans. Pulse width should be well above the 20 kHz audible range. by robgig1088 | updated March 04, 2012 |
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555 motor controller PUBLIC555 oscillator easy motor control. not so stable. very effective. by danielfiction | updated March 02, 2012 555 555-motor-controller astable bjt cheap dfiction econo flyback-diode motor pwm |
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Copy of danielfiction's 555 motor controller ($0.50!) PUBLICBuild a PWM motor controller for $0.50! Based on danielfiction's circuit (link inside). by mrobbins | updated March 01, 2012 |
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PWM Output Into a Low Pass Filter PUBLICA simple example of a low pass filter on a digital PWM output. by hevans | updated February 24, 2012 |
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555 as Pulse Width Modulation (PWM) generator PUBLIC555 timer as a PWM generator based on an analog input source. by mrobbins | updated January 24, 2012 |
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