Todays 15th March and the winner of the recent contest has been selected by a random pickup from list of contestants. The contestants who have blogged about this contest, had […]

This below circuit is very useful for our mini projects. To do mini projects we often need power supply of 3V, 6V, 12V etc. But a general 3-0-3 step down […]

We use a lot of solder for doing our projects, repair jobs, etc. But when we think simply that we replaced a part/component, we use new solder wire to solder […]

  This is for switching to different voltage’s bulb for proper lighting in different voltages. Sometimes the electricity supply goes in series line and merely gives some 90-100 Volts instead […]

I have never found a such remote tester circuit that can be as easily made as this following. Remotes work with a digital signal which is nothing but 1?s & […]

Credit: This article was published in KJB. I don't have much time to write parts list and details. If anyone volunteer help me doing this, his name/website will be listed […]