[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 ...

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 ...

What if you could build a fully functional, energy-efficient server that fits in the palm of your hand? With the release of the Raspberry Pi 5, this is no longer a dream but an exciting reality for ...

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 ...

The original Raspberry Pi 5 is an exceptional little DIY desktop, but priced at $80, it’s also a bit more costly than some previous entries in the Pi family. For those seeking a more affordable Pi, ...

Many cars today support Android Auto but require a wired connection, which is not very convenient to use. Thankfully, it is possible to create a wireless Android Auto dongle using Raspberry Pi at ...

The Raspberry Pi is a super fun gadget used by many creatives and DIY enthusiasts. There's a project for every room in the house, and there are several Raspberry Pi starter kits if you've never used ...