The post explains a couple of straightforward redundant UPS circuits for providing a secured uninterruptible power to crucial gadgets such as computer ATX or modems etc. The idea was requested by Mr. Shayan Firoozi.
In the previous article we learned about ripple factor in power supply circuits, here we continue and evaluate the formula for calculating ripple current, and consequently the filter capacitor value for eliminating the ripple content in the DC output.
Nov 26, 2015
The article discusses a simple digital power meter circuit which can be installed in homes for getting an instant reading of the wattage being consumed by the attached appliances or the loads. The idea was requested by Mr. Nitin.
Nov 25, 2015
In this article we learn how to build a simple yet extremely reliable electronic ballast circuit for driving or operating two 40 watt fluorescent tubes, with an active power correction.
Nov 21, 2015
In this post we study a simple moisture sensor circuit which enables an evaporative air cooler to automatically restore the wetness level of its evaporative pad by detecting its moisture level and by activating the water pump accordingly. The idea was requested by Mr. Ankur shrivastava
Nov 19, 2015
The article presents a simple LED indicator timer circuit which can be used with board games for indicating the elapsed time or the time consumed by the player to complete his or her turn. The idea was requested by Mr. Shane Robins.
Nov 17, 2015
The simple gate open and close controller circuit is designed to operate the gate through a couple of push buttons manually, it can be also modified for implementing the activation through a remote control.
Nov 16, 2015
Whenever brakes are applied in any vehicle, a lot of energy is wasted in the process of stopping the vehicle mass and again restoring the mass back to its original speed. The simple idea designed by me appears to be quite effective in solving this issue. Let's learn more about this simple regenerative braking concept.
In the previous post we learned the concept of the popular free energy generator called the N machine, designed and developed by Bruce DePalma. In this post we'll try to understand the entire mechanism and the making of this free energy generator design.
Nov 15, 2015
When this free energy geneartor called the N-Machine was developed by the famous physicist Bruce DePalma he could implement a 100 kilowatt generator right in his garage with ordinary tools. His machine could power his entire house electrical completely free of cost, forever.
Nov 13, 2015
In this post we discuss a circuit concept for enabling cars with an add-on automatic safety park light which triggers during night and signals the position of the car and consequently prevents a mistaken collision or dashing by another vehicle. The design ensures minimum consumption and relatively higher brightness for the involved LED lights. The idea was requested by Mr. Ankit.
Nov 12, 2015
In this post we learn how to make a simple railway signal lamp which can be used by the guards for providing a handheld signalling to the various trains with the many specified signalling modes. The idea was requested by Mr. Bala.
Nov 7, 2015
The write up explains the pinout and working details of the LCD module "Arduino LCD KeyPad Shield (SKU: DFR0009)" which is specifically manufactured for offering a quick plug-in compatibility for all Arduino based applications which may require displaying a particular parameter in digits, such as temperature, speed, time, weight etc.
Nov 5, 2015
You can use this little Arduino musical tune generator circuit for a preferred application, such as for making an interesting door bell, as a car reverse horn, or music box for gifting somebody, or simply for personal amusement.
Nov 4, 2015
The proposed Arduino siren sound generator circuit the tone of a perfectly imitating siren sound which can be customized to produce many different siren effects simply by making relevant modification in the sketch.
Nov 1, 2015
The article presents a handful of assorted power bank circuits which can be built by any individual for their personal emergency cellphone charging functionality. The idea was requested by Mr. Irfan