In this post we learn how to build a simple solar LED with charger circuit for illuminating high power LED (SMD) lights. The SMD LEDs are fully safeguarded thermally and from over current using an inexpensive LM 338 current limiter stage. The idea was requested by Mr. Sarfraz Ahmad.
Mar 28, 2015
The articles discusses an automatic door mechanism circuit that responds to the ambient light conditions by keeping the door open during day time and closed during night. Here the application is used for operating a hen house door. The idea was requested by Mr. Gavin Sweet
Mar 20, 2015
The post discuses a sequentially advancing 25 LED timer circuit which may be initiated on the 1st day of December so that each LeD lights up on each day until the 25th of December (on Christmas) when all the 25 LeD can be seen lit up. The circuit was requested by Mr. Guy Mathews
Mar 17, 2015
The article discusses a simple overload cut off circuit for safeguarding heavy mains operated machines such as a lathe machine. The idea was requested by Mr. Howard Dean.
In this post we study about a automatic fan speed regulator circuit for controlling the temperature of a heatsink and from preventing th etemperature to erach dangerous levels. This approach is to ensure safeguardign of the connected devices wit the heatsink.
Mar 5, 2015
In this article we study an RF discharge generation concept capable of producing an intense RF electrical discharge in the air which may have the potentials of paralyzing all electronic systems in the close vicinity. The idea was requested by Mr. Nidal.
Mar 3, 2015
The post explains how to build a simple sinewave inverter circuit using PWM feed from an Arduino Uno board, the article also discusses a sinewave 3 phase inverter using the same input from an Arduino. The idea was requested by Mr. Raju Visshwanath