電子工作ファンに人気のマイコンArduino， そしてWiFiとBluetooth内蔵でネットワーク接続しやすいESP32。それらのマイコンでプログラムを組む際に使うのが「Arduino言語」です。 「電子工作は好きだけどプログラミングはよくわからない」あるいは ...

Water is one of our most precious resources, vital for all forms of life on Earth. Despite its importance, water wastage is a significant issue globally, contributing to water scarcity and ...

Maybe it's obvious but I can't find any information about the following: I'm building a 'multi room' speaker from an old vintage radio and I want to connect two displays; one for the VU-meter and one ...

You can still get moving-needle meters off the shelf if you desire that old school look in one of you projects. However, if you want a more flexible and modern solution, you could use round displays ...

本書の以下の部分に誤りがありました。ここに訂正するとともに、ご迷惑をおかけしたことを深くお詫び申し上げます。 誤 一方、ESP32は2系統目のシリアルを使います（16番ピンが送信、17番ピンが受信）。片方の送信を他方の受信に接続しますので、Arduino ...

The power of Espressif’s ESP32-S3 meets Arduino’s unmatched customer experience, documentation and community — all in the compact form factor of the Nano. Provides support for both Micropython and ...

An energy meter is a device used to measure the electrical energy consumed by a residence, business, or an electrically powered device. In modern smart grid infrastructures, energy meters have evolved ...