note

#16 MSX0でブザーを使用する

Grove Beginner Kit For MSX0 Buzzerは左上にある Grove Beginner Kit For MSX0 のセンサーを一つずつMSX0で試している。最後に残ったのは、ブザーである。 これを試すのが後回しになった理由は、MSX0の「Grove Kit の使い方」のアナログ出力の説明の最後に、「Kit付属の ...
Ars Technica

Arduino project, buzzer trouble.

Figure an Arduino most matches the "Other" category. To be specific, it isn't an Arduino brand, it is a DigiSpark, but the trouble isn't with the device itself. The problem is with a buzzer. I got the ...
EDN

Arduino RFID Reader RC522 + Access Control System

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...