In this post we elaborately study how to make an Arduino based PWM signal generator circuit, which can be set or adjusted with a potentiometer or a pot to any preferred duty cycle ratio. WHAT IS PWM? pwm or pulse width modulation as the name itself suggest is modulation of width of the pulses i.e. […]
PWM
SG 3525 Automatic PWM Voltage Regulation Circuit
In this post I have explained a simple configuration which can be added with all SG 3525/3524 inverter circuits for implementing automatic PWM output voltage regulation by the IC. The solution was requested by Mr. Felix Anthony. The Circuit Problem: Sir, I would need your help on a project about a schematic that I do […]
PWM Controlled Voltage Stabilizer Circuit
In this post I have explained how to make a high power 100V to 220V H-bridge mains voltage stabilizer circuit using automatic PWM control. The idea was requested by Mr. Sajjad. Circuit Objectives and Requirements Secondary Features I like it to has an LCD to display parameters and a custom name,high voltage cut off, over […]
1500 watt PWM Sinewave Inverter Circuit
A vey basic yet reasonably efficient 1500W PWM based sinewwave inverter circuit can be studied under this post. The design utilizes very ordinary parts to accomplish a powerful SPWM type inverter circuit. Main Specifications Power Output: Adjustable from 500 watts to 1500 watts Output Voltage: 120V or 220V as per the transformer specs Output Frequency: […]
Automatic PWM Door Open/Close Controller Circuit
In this post I have explained a simple PWM controlled automatic turnstile or door circuit featuring an automatic open/close action via a photo-interrupter stage. The idea was requested by Mr. Bruce Clark. Technical Specifications Thank you for a really fantastic service you provide. Would you please be so kind as to help me with a […]
Triac Phase Control using PWM Time Proportional
A triac phase control using a PWM circuit can be useful only if it’s implemented using a time-proportional format, otherwise the response could be haphazard and inefficient. In a few of of my earlier articles as given below: Simple Remote Controlled Fan Regulator Circuit Push Button Fan Regulator with Display Circuit Dimmer Circuit for LED […]