The post explains a simple 20 watt fluorescent ballast circuit using a single chip FAN7711 from Fairchild semiconductor.
Grid-tie inverter concepts may appear to be complex due to the many criticalities involved with them, however with some intelligent thinking it could be actually implemented using primitive technologies. One of the ideas has been explored here.
Apr 26, 2014
The post explains how the DRLs in a car may be controlled by reducing its intensity while the headlamps or the indicator lamps are being used, for enhancing its efficiency. The idea was requested by Mr. Rob. Let's learn more about this smart DRL intensity manager circuit.
The article relates a simple automatic infrared controlled staircase lamp circuit which switches ON only during the presence of a passer-by and switches OFF automatically after a predetermined delay once the occupant vacates the corridor . The idea was requested by Mr. Sriram.
Apr 25, 2014
The post explains a simple automatic darkness activated switch for car head lamps and the DRLs, initiated by the ignition triggers. The circuit helps to save battery power and prevents unnecessary wastage of energy. The idea was requested by Mr. Vladnemir.
Apr 21, 2014
We are all familiar with thundering and lightning during stormy weathers and know how the effect is responsible of producing a lot of ozone and negative ions in the atmosphere. The same concept has been employed in the proposed water and air sterilizer circuit.
Apr 17, 2014
The post discusses a 48V solar battery charger circuit with high, low cut-off feature. The thresholds are adjustable through individual presets. The idea was requested by Mr. Deepak.
Apr 16, 2014
When it comes to sensing current (Amps) linear Hall-effect devices are the best and the most accurate. These devices can sense and measure current right from a few amps to many thousands. Moreover it allows the measurements to be done externally without necessitating a physical contact with the conductor.
Apr 15, 2014
MJ11021(PNP) MJ11022 (NPN) are high voltage complimentary pair Darlington transistors suitable for all applications that involve high voltage high current such as in motor control, inverters, etc.
Apr 8, 2014
The post presents a simple Li-ion emergency light circuit with over charge and low battery cut off features. The Circuit was requested by Mr. Saeed Abu and Y0f4N.
Apr 1, 2014
Here we learn how to make a simple inexpensive satellite signal strength meter which can be used for aligning dish antennas with local satellites in order to achieve the correct positioning and maximum signal strength from the antenna.