In this post we are going to construct a circuit to control the speed of 12V DC fan which is commercially available to run on 12V Solar panels and Batteries. The utilization of DC fan become common where access to electricity is not established the area or where power cuts are pretty common or even […]
PWM
PWM Lamp Dimmer using IC 555
This project discusses in detail about the PWM lamp dimmer. It will use IC NE555. Earlier the dimmers built on linear regulators was not efficient compared to the current one. For instance, if the old dimmers can achieve efficiency of 50% the new one is quite efficient to achieve 90%. Moreover, while the less power […]
How to Make a Simple Solar MPPT Circuit Using IC555 – PWM Maximum Power Point Tracker
An efficient solar panel MPPT charger circuit may be developed utilizing a few 555 ICs and a few other linear parts. Let’s learn the methods. An MPPT or Maximum Power Point Tracker for solar panels is an approach which allows deriving highest offered current from a solar panel during the day without upsetting its stipulated […]
How to Build a PWM Air Blower Controller Circuit for Biomass Cook Stoves
The post points a PWM speed controller circuit for a fan air blower system to be utilized in Biomass cook stoves. The circuit also consists of an continuous automatic battery back-up supply with an built-in automatic battery charger circuit for the specific application. According to the demand the biomass cook stove application needs a 12 […]
How to Build a Automatic PWM Door Open/Close Controller Circuit
The publish reveals a very simple PWM controlled automatic turnstile or door circuit presenting an automatic open/close action via a photo-interrupter stage. A straightforward PWM based motor control circuit with high torque and immediate stop/reversal characteristic may be observed in the presented diagram and can be utilized for working the offered turnstile or automatic door […]
How to Build a 150 LED PWM Tubelight Circuit
The submit talks about a 555 based PWM circuit which is often executed as a 150 nos or more LED light intensity controller circuit. The figure demonstrates a PWM based LED intensity controller circuit implementing the IC 555. IC 555 are widely employed in nearly all PWM based circuit applications as a result of […]