| It happens to all of us — you’re at home and there’s a caller at the door but for some reason or other you do not hear the doorbell buzz or...
| It happens to all of us — you’re at home and there’s a caller at the door but for some reason or other you do not hear the doorbell buzz or...
| This board, described in Elektor Magazine November-December 2016 issue, based on a AVR microcontroller ATmega 328 (as on the Arduino Uno) an...