Want to use FPGA to create your own CPU? A few years ago, it was the era of MIPS and RISC, and making a MIPS or RISC processor on FPGA was the dream of every beginner in FPGA. Then, RISC-V created a huge wave, but currently, commercially available RISC-V products are quite rare, and the overall construction is still somewhat cumbersome, with the toolchain not
Previously, we introduced the method of "Setting up an LNMP environment on Raspberry Pi" and "Installing a dashboard to monitor the Raspberry Pi's operating status". Recently, users have reported that the latest version of the Raspberry Pi system can no longer find the PHP5 package. This is because the new version has replaced PHP5 with PHP7, and the configuration method for PHP-FPM under Nginx is slightly different from PHP5.
Many large companies choose to keep their hardware closed-source, creating technological barriers and patent copyrights that hinder the development of small-scale innovators. Open source hardware allows entrepreneurs to more easily turn their ideas into reality.
From left to right: Arduino Uno, BeagleBone, Raspberry Pi
Arduino Uno is very common in the Maker community. Arduino comes in many different sizes and features, but here we choose Arduino Uno as a representative.
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First, let's take a look at the Apple ARM CPU seriesA7
A6
Who still remembers the release date of Raspberry Pi 4B? I checked, and it was released in 2019. Four years later, in October 2023, Raspberry Pi finally launched their new product, Raspberry Pi 5. Although it has been released, the number of people who can get it is quite small. It took me a couple of months to get my hands on Raspberry Pi 5.
Now let’s talk about the
This year during the New Year, I brought back a DIY small server and set it up at home to create a resource sharing service, allowing family members to store and share some photos and videos taken with their mobile phones. However, since I'm not usually at home, if any issues or failures arise, I need to remotely log into the home server to handle them. So the question arises: how can I bypass multiple layers of networks and access
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It is an Arduino UNO board without any circuit board.
It uses a technology called freeform to interconnect components using wires or copper instead of a circuit board. It looks minimalistic and beautiful!
Why did I make this? I often find it hard to explain what freeform electronics are and what they look like. And Freeduino is a great example of freeform electronic art,
This article attempts to briefly outline the development history of ARM processors, the evolution of their architecture, including the application directions of different processors. However, we will focus on the Cortex-A series and also introduce the inheritance relationships between different microarchitectures, as well as which design teams they originated from. This will likely be a series, covering an overview of the development of ARM processors and architectures, ARMv7-A architecture and microarchitecture analysis, ARMv8-A architecture and microarchitecture analysis, key technologies
2024.05.07
1. Overview of Vehicle Detectors
Vehicle detectors primarily target motor vehicles and are used to detect data related to vehicle passage or parking, providing sufficient information for smart parking systems to make optimal decisions.
Magnetic detection is a new vehicle detection technology that primarily uses magnetic resistance sensors (xMR) to sense the magnetic field within its range, thereby distinguishing vehicle situations. Currently, magnetic vehicle detectors predominantly
First, unplug the Raspberry Pi's power supply to ensure it is powered off while connecting external devices. If you have the operating system installed on a microSD card, you can now insert it into the Raspberry Pi.
Next, plug in other external devices such as a mouse, keyboard, and monitor.
Finally, connect the power supply to the Raspberry Pi. When the Raspberry Pi powers
