It is the time of year when decorations appear everywhere and everyone has a preferred style, from bright flashing lights to something more understated. Christmas decorations are meant to be cheerful, ...

This is a flashing led lights circuit powered from a 12V DC power supply that uses the well known 555 IC. Flashing lights have many and varied applications in life. They are used as warning lights on ...

Catherine Manning currently receives funding from the Medical Research Council and The Leverhulme Trust, and has previously received funding from the Wellcome Trust. Arnold J Wilkins has previously ...