pwm motor speed control using c4093 circuit

PWM lamp dimmer using NE555 timer IC. Complete circuit diagram and working

A simple PWM lamp dimmer using the NE555 timer IC. The 555 timer IC is configured as a variable duty cycle astable multivibrator to control the brightness of the lamp. The described circuit utilizes the NE555 timer IC, a versatile and...

Lantern controller circuit diagram of a two-dimensional

The circuit primarily consists of the NAND gate IC1 (CD4096), a counting/timing distribution circuit IC2 (CD4017), an analog electronic switch IC3 (CD4066), and a D flip-flop IC4 (CD40174), along with other components. The controller is capable of managing the progressive...

Discrete PWM Generator Circuit

PWM waveforms are widely utilized to regulate the speed of DC motors. The duty cycle of the digital waveform can be established either through an adjustable analog voltage level (as seen in a NE555-based PWM generator) or through digital binary...

DC Motor-Driver H-Bridge Circuit

Physical motion of some form helps differentiate a robot from a computer. It would be nice if a motor could be attached directly to a chip that controlled the movement. But, most chips can't pass enough current or voltage to...

Simple PWM controller

This 555 timer based PWM controller features almost 0..100% pulse width regulation using R1, while keeping the oscillator frequency relatively stable. The frequency is dependent on values of R1 and C1, values shown will give a frequency range from about...

Control circuit keeps dc motor running at constant speed

The purpose of this circuit is to maintain a permanent magnet DC motor at a constant speed, which is set externally. This is achieved by monitoring the current flowing through and the voltage across the motor's brushes. The schematic for this...

DC motor excitation current circuit

FIG T is the excitation transformer, R is a varistor, and there are rectifier diodes to protect against breakdowns from VDii to VD16; Rz and C2 provide resistive-capacitive protection. The circuit is designed to absorb voltage from the magnetic field...

Dual DC motor speed control

Here is a design for a DC motor speed control featuring: Efficient PWM H-bridge MOSFET architecture. Supply (battery) voltage range from 4.2 to 13 volts. High current capacity for driving large motors (65 amps max). Input compatible with standard RC...

PWM DC motor speed control circuit

The circuit operates using pulse position modulation, which is a method distinct from the more commonly utilized pulse width modulation for speed control. A 555 timer is employed as a square wave modulator, generating output pulses with a fixed width...