Build a tiny ESP32 OLED keychain with a 1.3-inch display and custom 3D-printed enclosure. Wire the ESP32 S3 and program it ...

Turn an ESP32-C3 SuperMini into a network health dashboard with Wi-Fi signal monitoring, DNS checks, and an OLED interface.

The Modulino Hub, Extender, and Motors boards simplify I2C expansion, long-cable communication, and protected motor control for modular embedded projects. How the Modulino Hub isolates duplicate I2C ...

Arduino has just introduced three new Modulino modules: the Modulino Hub to support up to eight I2C devices (64 devices with 8 Hubs), the Modulino Extender to extend the I2C range to up to 30 meters, ...

In 2024, Americans reported losing $470 million to scams that started with texts, according to the Federal Trade Commission. Text scams are also becoming harder to detect with AI. Knowing what to look ...

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原创 最新推荐文章于 2026-07-09 16:40:36 发布 · 425 阅读 如果你手头有两块Arduino Nano Every，或者任何两块支持I2C的Arduino板子，想玩点“隔空对话”的把戏，比如用一块板子去控制另一块板子上的LED ...

LG Display is mass-producing laptop screens that automatically change their refresh rate from 1 Hz to up to 120 Hz, based on what’s on-screen, it announced this week. The display supplier said that it ...

As a long-time staple on Pixel phones that recently took over for Samsung Messages in the U.S., Google Messages is the closest thing we have to a default texting app on Android. It has built-in RCS ...

You can get a long way just using the matrix library, but there is another library, ArduinoGraphics, that has additional functions that make the LED matrix really useful. However, at the time of ...

The 8x13 blue LED matrix is also an example of using PWM to implement gray-level images. The LEDs are connected in a row/column layout in the form of a tree – the first row has one LED pair, the ...