The following article explains a linear voltage regulator circuit using the IC LM196 which is capable of handling up to 10 amps of current and is able to provide a variable output right from 1.25V to 15V DC.
Apr 27, 2013
The post explains how to make a pure sine wave inverter using ordinary components and yet get reasonably outstanding results.
Apr 26, 2013
The following article discusses a temperature controller circuit which can be used for controlling the temperature inside reptile racks. The idea was requested by Mr. Tom.
Apr 24, 2013
The post explains the technical specifications, datasheet, and application notes of the IC 78H12A which is a voltage regulator IC capable of providing a fixed regulated 12V output at maximum 5 amp current.
Apr 23, 2013
The following post explains a programmable sequential timer with controller circuit which may be used for automatically controlling a homemade pellet burner/boiler system. The circuit was requested by Mr. Vasilis.
Apr 22, 2013
The following article shows how to build a clap switch circuit which operates a load only in response to two subsequent clap sounds. Thus the following circuit will operate a load when a "clap clap" sound hits the attached mic.
Apr 20, 2013
The following article discusses a simple automatic micro UPS circuit which can be used with modems for acquiring uninterrupted power from a DC source, and battery during mains power failures. The circuit also incorporates an automatic over charge cut off, and a low battery indication feature.
Apr 9, 2013
The proposed solar water heater with battery charger controller circuit explains a simple method of utilizing the excess solar energy from a solar panel for heating water in water tanks or swimming pools or poultry egg chambers. Normally the circuit also functions like an automatic solar battery charger, and simultaneously powers domestic electrical appliances.
Apr 8, 2013
The following post describes an H-bridge modified sine wave inverter circuit using four n-channel mosfets. Let's learn more about the circuit functioning.
Apr 7, 2013
The post describes a simple 1 watt led emergency lamp circuit using li-ion battery. The design was requested by one of the keen readers of this blog, Mr. Haroon Khurshid.
The following article discusses the use of a mosfet as a switch for toggling high current loads efficiently. The circuit can be also transformed into a delay OFF circuit with simple modifications. The design was requested by Mr.Roderel Masibay.
Apr 1, 2013
The post explains a few circuit concepts which can be employed for converting or modifying any ordinary square wave inverter to a sophisticated sine wave inverter design.