Perhaps without many of us realising it, our single board computers perform the task of making programming their processor or SoC a lot easier. They take care of setting the right lines or commands to ...

ESP-IDF v4.3.1：乐鑫ESP系列的基本开发环境，借鉴了hello world例程。官方文档ESP-IDF 编程指南。 ESP-ADF v2.3：乐鑫的音频开发框架 ...

第二版ESP32+PN532(RFID)组合板实物图： 上一节中第一版存在无法读取NFC设备信息的问题，打开PN532的读写软件，如下图所示，检查发现是元器件布局连接，IPEX天线座的连接以及铺铜存在问题。 将组合板的拨码开关关闭，实际上就是将PN532与ESP32断开，将USB转TTL连接 ...

There’s still plenty of useful hardware out there that uses an RS-232 interface, like the Behringer Ultradrive loudspeaker systems that [Lasse Lukkari] works with from time to time. Rather than ditch ...

C tool with 125 MS/s sampling—perfect for fieldwork, classrooms, or your desktop Compact, cost-effective i.MX 91 development board optimized for embedded Linux development Building an indoor ...

Creative-x-Lights's 2-Port ESP32 ETH0 WLED Controller is a WLED Ethernet board supporting 5V–24V LEDs via two terminal blocks ...

The ESP32 has emerged as a favorite tinkering device in the maker and hobbyist world thanks to its low cost, built-in Wi-Fi and Bluetooth, and strong community support. One particular strength it has ...

Update 3/9/25: After receiving concerns about the use of the term 'backdoor' to refer to these undocumented commands, we have updated our title and story. Our original story can be found here. The ...