In this post I have explained a simple ambient light dependent LED illumination controller circuit. The light fades or intensifies proportionately i response to the ambient light conditions. With brighter daylights, the LEd illumination gets softer and vice versa. The idea was requested by one of the dedicated members of this blog. Technical Specifications While […]
LED
LED Brightness and Efficiency Tester Circuit
In this post I have explained a simple LDR brightness and efficiency tester circuit set up using an LDR and a digital Ohm meter. The idea was requested by Mr. Prashant Technical Specifications I want to check brightness and light of 1 watt led. Can i check it with help of ldr. Bekoz luminous sensor […]
Make this Red LED Sign Circuit
The post presents a simple transformerless red LED sign circuit which can be made even by a novice. The circuit uses only a few high voltage capacitors, two resistors, and a few red LEDs…. nothing more. The circuit idea and the images were submitted by Mr. John Hungerford. The following email was sent to me […]
Blinking an LED with Arduino – Complete Tutorial
The post comprehensively discusses a basic Arduino code implementation guide for blinking its on-board LED. The data was built, tested, and written by Jack Franko. CODE: for simply inbuilt LED on pin 13 of ARDUINO BOARD by default it is programed to blink frequently at 50 Mili Seconds as it in description it will […]
How to Connect Car LED Downlight
A car LED downlight available in the market can be easily integrated to an existing car battery if its rating is identical to the battery’s voltage rating. I have explained more regarding one such request sent by Mr. Allwyn Siqueira. How to Connect Downlight to 12V Car Battery Hi Swagatam, I’ve just spent the last […]
Variable LED Intensity Controller Circuit
The post presents a couple of simple LED intensity controller circuit which may be appropriately configured for specific related applications. The idea was requested by Mr. Chand. Technical Specifications I would like to have a circuit designed by you which is very simple and straightforward. This will be incorporated as a stand alone feature in […]





