Learn and build electronic circuits
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 … Read more
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 … Read more
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 … Read more
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 … Read more
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 … Read more
The submit teaches a straightforward IC 555 focused PWM solar battery charger circuit that immediately places and modifies the charging voltage as a reaction to the fading sunlight circumstances, and attempts to preserve an optimal charging power for the battery, no matter the sun ray intensities. The connected buck converter guarantees an effective conversion to … Read more