| After the previous episodes about (ancient) radio techniques, we now return to a very house and garden, or more specifically, kitchen circui...
All items tagged with Timer and oscillator (10)
| The celebrated ‘555’ IC was originally developed as a timer device, but over the years this golden oldie has been used in all sorts of other...
| `This egg timer, which is both simple and functional, shows once again that it is not essential to use a microcontroller for everything thes...
| Occasionally there is a need for a timer circuit for tasks such as switching off a circuit element (such as an LC display) after a given int...
| *see text R1 045 TIMER WITH AUDIBLE WARNING RESET VI EMI ZIT) id 1 2 P1 * R2 5008 CAI9 220n 9V R3 c2 O Applications of this little circuit i...
| 051 GENERAL INTEREST D4 11441 48 I S1 15 09 013 1C3 4060 PI 0 5V 0 Bz O R8 680n BC547B 11•111•11 894071 - 11 DL TOnTOOR 16V 03 Re1 1N414...
| EE JULY/AUGUST 1987 by A Behrens When, after developing, photo- graphs are immersed in the fix- ing bath at irregular intervals, it becomes...
| for home and garden A periodic alarm signal has many ap- plications in daily day life: "lights off" indicator in cars, water level in- dicat...
| H The analogue brother of this IC is our old friend, the 555. The digital version here, the LS 7210, is less well-known. It can be used to...
| • r long-pertod time This monostable multivibrator can be seen as a long-period alternative for timer circuits which incorporate the well-...