| After a somewhat hesitant start the chipcard has finally come into its own. Whether it's a bankcard, a subscriber's card for viewi...
Christian Tavernier (33)
| For many years now, magnetic (or electromagnetic) water descaler devices have been showing up on the shelves of Home Improvement and other D...
| Creating a presence simulator function with a microcontroller is certainly very easy and has already been done many times in the past, but t...
| The security of many electrical devices depends today on the availability of an earthed mains outlet. We should remember that these are conn...
| Most homes today have at least a few infrared remote controls, whether they be for the television, the video recorder, the stereo, etc. Desp...
| While we have lost count today of all of the modems, fax machines and other telephones that have been destroyed by a ‘bolt of lightning’, su...
| With this circuit you will be able to control a high-powered siren or horn, as you like, in order to relay and amplify the low-level sound o...
| Most, if not all, recent cars have an impressive amount of electronics, whether it be ABS brake systems, engine control with injection calcu...
| We propose a specialised circuit capable of controlling one to eight standard radio control servos via very simple controls transmitted by a...
| The schematic of our preamplifier is very simple because it uses a very low-noise dual operational amplifier. Here the NE5532 is used, whose...