Recent content by haren

Homework Statement Hi there I'm trying to make a processing unit(digital) 1 1 -> A signal from output which lights a led(a) 1 0 -> A signal from another output which lights another led(b) 0 1 -> signal from (a) to light a 0 0 -> no signals so basically there...

Thank you for the reply. I'm working on both capacitive sensor and pir sensor. For PIR senser what can be used as a lens? can a normal IR sensor be used? I also understand that conducting nature of moisture of human body can be used to achieve the goal. I'm trying make the switch...

hi there I'm up to design a device which switches on when human body touches it. I have a rough idea to use IR, Electrical phenomenas of body. But don't know how to start and where to start. help pleasez