In this post I have explained how to interface an existing Arduino PWM signal with any inverter to convert it into a sine wave equivalent inverter. The idea was requested by Mr. Raju Visshwanath Technical Specifications I am in need of following inverter circuit designs: Single phase DC to AC inverter. Input 230 VDC. PWM […]
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 […]
LED PWM Controlled Tubelight Circuit
In this post I have explained a 555 based PWM circuit which can be implemented as a 150 nos or more LED light intensity controller circuit. The idea was requested by Mr. Anil The Circuit Request I want use 12V/5A DC supply Thanks & early reply is highly appreciated. Thanks & regards Anil Rustagi The […]
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 […]
PWM Air Blower Controller Circuit for Biomass Cook Stoves
The article details a PWM speed controller circuit for a fan air blower system to be used in Biomass cook stoves. The circuit also includes an uninterrupted automatic battery back-up supply with an integrated automatic battery charger circuit for the particular application. The idea was requested by Mr. Tushar and Sivaranjani. Technical Specifications Thanks for […]
How to Make a PWM Controlled Fan Regulator Circuit
In this article we look into a simple 220V mains PWM controlled fan or light regulator circuit which does not require a microcontroller or costly triac drivers for the intended operations. Capacitive Phase Chopping All Ordinary types fan regulator and dimmers which rely on capacitive phase chopping technology have one drawback in common, these generate […]





