电子工程专辑

如何用一条I2C总线驱动多个I2C设备？

应用设计中，用一条I2C总线驱动多个I2C设备师很常见，实施也很简单，本项目将连接以下I2C设备： Adafruit_GFX, Adafruit_SSD1306.h 和 SPI.h，控制SSD1306 128×32 OLED显示屏。 由于所有元件相距不远，没必要I2C总线使用上拉电阻，因为这些杜邦线就是组件的一部分。 本项目 ...
Geeky Gadgets

Arduino TCA9548A 1-to-8 I2C Multiplexer Arrives At Adafruit

Adafruit has this week announced the arrival of the new Arduino compatible TCA9548A I2C Multiplexer to their online shop, which is now available to purchase priced at $6.95. The latest breakout board ...
电子工程专辑

过于硬核！纯机械装置模拟数字时钟

本项目是一个真正意义上的「机械时钟」，由 3D 打印部件、25 个 Arduino Nano 和 48 个步进电机构建。每个时钟面都是用 Eagle 设计的 PCB。 时钟的灵感来自几年前我在波士顿一家商店里看到的时钟，叫 ClockClock 24，成本约为 6000 美元，非常漂亮。 完成这个项目，将 ...
Geeky Gadgets

Raspberry Pi And Arduino 4 Channel I2C Multiplexer Board With Grove And LEDs Created (video)

Serial Kickstarter campaign creators SwitchDoc Labs have now launched their fourth campaign via the crowdfunding website to raise the required funds they need to take ...
Hackaday

Embed With Elliot: I2C Bus Scanning

A lot of great ICs use I2C to communicate, but debugging a non-working I2C setup can be opaque, especially if you’re just getting started with the protocol/bus. An I2C bus scanner can be a helpful ...