意外と知られていないが、1次元のバーコードは簡単に作成できる。CODE39規格用フォント(CODE39フォントなどと呼ばれる)を使って数字を書けば良いだけだ。例えば納品書や請求書に使えば、バーコードスキャナを使って簡単にデータを呼び出せるようになる。

I’ve always considered barcodes to be one of those invisible innovations that profoundly changed the world. What we might recognize as modern barcodes were originally designed as a labor-saving device ...

Amrit Singh has returned to Kickstarter for 5th time to launch his latest electronics project in the form of the Raspberry Pi barcode scanner. The compact wireless device features a buzzer, wireless ...