| Most birds have not yet learned to communicate with us. The electronic Funny Bird bird takes a step in the right direction: When you whistle...
All items tagged with Circuit and CMOS (4)
| After the previous episodes about (ancient) radio techniques, we now return to a very house and garden, or more specifically, kitchen circui...
| The circuit presented in this article enables you to build a software-controlled 8-channel analogue switching unit that will be hard to be...
| This little circuit provides both a visual and an audible indicaticn that a message has been left. CMOS inverters Iela and IClb form a t...