[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 ...

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 ...

Having launched the Raspberry Pi Zero W in 2017 as an upgrade to 2015’s Raspberry Pi Zero, Raspberry Pi Foundation has now unveiled its latest offering, the Raspberry Pi Zero 2 W. In this article, we ...

If you want to use your Raspberry Pi with a keyboard, you have come to the right place. With the keyboard shortcuts mentioned below, you can navigate Raspberry Pi OS with ease. Note that some of these ...

Want to gain privacy, online security, and freedom on your Raspberry Pi? We explain how to use a VPN for Raspberry Pi to encrypt your internet connection and bypass online restrictions. Whether you ...

The Kappa4310Rasp is a Raspberry Pi-compatible Modbus RTU HAT designed to evaluate the IS4310 Modbus RTU Slave stack chip. This allows engineers to simulate sensor and actuator interactions using a ...

2 USB 3.0, 2 USB 2.0, 1 microSD card slot, 1 USB-C for power, 1 Gigabit Ethernet, and 2 micro HDMI 40-pin header isn’t color coded On the face of it, you might think the Raspberry Pi 5 is the same as ...

The new Raspberry Pi 500 is a compact, ARM-based Linux PC integrated directly into a keyboard, offering a notable performance boost over its predecessor, the Raspberry Pi 400. Designed as an ...

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 ...