DIY Power Supply using ATX PSU
Introduction If we have a power supply which has not been in use for some reason, we don't need to throw it. We can convert it into a bench power…
How to make a DIY Piano using IC555 timer
Introduction Bartolomeo Cristofori, around the year 1700, invented a string instrument which we call as Piano. In piano, we strike the strings, which are coated by wooden hammers that are coated…