Hackaday

An Introduction To Differential I²C

A few weeks back, we talked about the no-nos of running I²C over long wires. For prototyping? Yes! But for a bulletproof production environment, this practice just won’t make the cut. This month I ...
Hackaday

Taking The Leap Off Board: An Introduction To I2C Over Long Wires

If you’re reading these pages, odds are good that you’ve worked with I²C devices before. You might even be the proud owner of a couple dozen sensors pre-loaded on breakout boards, ready for ...
note

SPI通信とI²C通信について

電子工作をするために、SPI通信とI²C通信について調べたので、 その内容を書き残します. センサやADコンバータとマイコンを紐づけるために必要な通信手段であり、電子工作をする上では避けて通れなさそうですね。 通信規格には、大きくシリアル通信と ...
GitHub

bitbang_I2C_controller_Arduino_Pico

Bitbang I²C sample using Arduino-Pico. This code has been made to explain how an I²C controller to can be implemanted. This code is written to use a Raspberry Pi Pico with Arduino-Pico To setup the ...
note

ESP8266 の I²C端子はどこ？ ― SCL/SDA と D1/D2 の関係を理解する

ESP8266 を初めて触る時に多くの人がつまずくポイントがある。 「D1 と D2 が SCL / SDA」という情報を見ても、 なぜそうなるのか が理解しづらい。 この記事では、その理由と仕組みを整理する。 🧩 1. まず結論：ESP8266 の I²C は ソフトウェアで自由に割り当て ...
GitHub

microchip-pic-avr-examples/pic32cmjh-basic-i2c-mplab-harmony

This example project demonstrates basic I²C communication using the SERCOM peripheral on a PIC32CM JH00 device. The application configures the PIC® MCU as an I²C Host and communicates with the ...
elektormagazine

I²C Communication Using Node.js and a Raspberry Pi

The I²C bus has been around since the 80s, and is well-supported on today’s popular platforms, including the Raspberry Pi series. Node.js makes it possible to program a web server in JavaScript, ...