The QR701 thermal printer is a compact and versatile printing solution that can be easily integrated with Arduino and Wemos platforms. This guide provides instructions on how to set up and use the ...

わけあってRS232とEthernet変換機が必要だったんですが、買うと結構高いので、ちょうど我が家に眠っていたArduino Nano Everyを使って作ってみました。実際は、ちょっと単なる電文のやり取りじゃなくて、ちょっとだけ文字列操作が必要だったんです。 GitHubに ...

DSC Alarm interface to SmartThings. Able to arm/disarm, monitor zone status and trigger the panic alarm. The IT-100 interface is connected to the communication and power lines of the DSC alarm panel ...

We propose to make a little calculator realising the four basic arithmetical operations using one Arduino and a Nextion touch display. This calculator uses the Reverse Polish Notation, which may ...