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 ...

ESP32-C6（M5Stack Nano C6) をArduino フレームワークを使おうとして PlatformIO でビルドしたところ、ツールチェーンやフレームワークのバージョン不整合で苦戦した顛末と解決方法をまとめました。 M5Stack Nano C6をPlatformIOで使う 本題の前に、M5Stack Nano C6をPlatformIOで ...

A spectrum analyzer VU meter running a 40kHz FFT on an ESP32 and outputting to a 16 x 16 FastLED matrix. The code is heavily modified from this example originally written by G6EJD who has a very ...

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 ...

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 ...

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 ...

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 ...

Humans love visualising music, whether it’s in the form of an inscrutable equation drawing squiggles in Winamp, or a simple VU meter pulsing with the beat. This build from [mircemk] is of the latter ...

The XIAO Powerbread is a breadboard power supply and meter compatible with XIAO RP2040 or ESP32 USB-C boards and equipped with a color LCD display showing real-time voltage, current, and power ...

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 ...