| This circuit is designed to indicate· whether anyone has attempted to telephone the householder during his absence. If the te...
| This circuit is designed to indicate· whether anyone has attempted to telephone the householder during his absence. If the te...
| It is often necessary, particularly when experimenting with circuits, to make connection between the output of one circuit...
| It is often necessary, particularly when experimenting with circuits, to make connection between the output of one circuit...
| This simple ultrasonic (US) transmitter uses only one CMOS IC and a few discrete com- ponents, and will generate a short pul...
| This simple ultrasonic (US) transmitter uses only one CMOS IC and a few discrete com- ponents, and will generate a short pul...
| This `inaudible` car horn is intended for warning four-footed pedestrians of imminent danger, without needlessly scaring the (h...
| A drawback of conventional integrator cir- cuits (figure a) is that the R-C junction is at virtual earth; this means that C appea...
| A drawback of conventional integrator cir- cuits (figure a) is that the R-C junction is at virtual earth; this means that C appea...
| The standard set-reset flip-flop circuit con- sists of two cross-coupled NAND gates and is set and reset by applying a logic...
| The fuzzbox is an indispensable piece of equipment for the electric guitarist. This electronic device limits the guitar sign...