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

Text messaging has been around on cellular networks en masse for around three decades now. It’s so common that it’s difficult ...

Toulouse Métropole has deployed 30,000 radio frequency identification (RFID) tags across its waste collection network.

Wireless-Tag provides firmware, board-support software and hardware design resources for a dual-chip ESP32 development board, ...

A technology now hidden inside contactless credit cards can trace part of its history back to Cold War espionage, when a battery-free Soviet listening device secretly spied on the U.S. ambassador for ...

Communication is the process of exchanging information, ideas, thoughts and emotions—whether through spoken words, written texts, facial expressions or digital media. It's the foundation of how we ...

本内容遵循CC 4.0 BY-SA版权协议 去年在开发一个博物馆互动展项时，我们需要让观众用实体卡片触发虚拟展品的三维展示。当时尝试了多种方案后，最终选择了Arduino+RFID读卡器与Unity通信的方案。