[导读]在老旧产线改造中，常有大量RS485 Modbus RTU设备（温湿度、电表、变频器）需要接入上位机或MES，但它们不支持TCP。此时用Raspberry Pi（树莓派）运行Modbus TCP↔RTU网关程序，既能做协议转换，又能充当边缘数据预处理节点。本文基于Raspberry Pi OS + pymodbus库，给 ...

Pi Network urges Mainnet node operators to upgrade to Protocol v25 as most nodes complete the network update. Pi Network has reminded Mainnet node operators to upgrade their systems to Protocol v25 as ...

Buy Stellar (XLM). Pi is built on Stellar, and the news is really a Stellar ecosystem “utility narrative” play. If Pi’s smart-contract push gains traction later (version 26), it can lift sentiment ...

I wore the world's first HDR10 smart glasses TCL's new E Ink tablet beats the Remarkable and Kindle Anker's new charger is one of the most unique I've ever seen Best laptop cooling pads Best flip ...

Whether you’re building a home server, running a retro gaming console, hosting a website, or experimenting with IoT projects, the Raspberry Pi remains one of the most powerful and affordable ...

I had the opportunity to install Node-RED on a Raspberry Pi recently, so I decided to write this article. I am often asked about this, and as someone who isn't very good at English, I find it tedious ...

Recently, [Edward Schmitz] wrote in to let us know about his Hackaday.io project: SigCore UC: An Open-Source Universal I/O Controller With Relays, Analog I/O, and Modbus for the Raspberry Pi. In the ...

TUPELO - When the 11th annual Red Rasberry Humanitarian Award Dinner begins tonight, the honoree will be a bit apprehensive. Terry Jackson admitted being in front of a large crowd is not his favorite ...

EDATEC ED-PLC2010 is an industrial controller powered by a Raspberry Pi CM4, supporting EtherCAT and Modbus interfaces, up to 32 I/O modules, and preloaded with CODESYS runtime for real-time core and ...

The Raspberry Pi is indeed versatile as it is powerful. And if you are a tech hobbyist, it would be a missed opportunity not to try out its many capabilities in different areas of your home. So to ...

Raspberry Pi is better known for its single-board computer with a ton of ports sticking out. The most recent of which is the Raspberry Pi 5, which was introduced in September 2023. These small ...