In 2016, I posted an article about mainstream router CPUs in the graphics card forum. After several years, the router market has changed significantly. Today, let’s get to know the mainstream router CPUs available on the market. First, thanks to the webmaster of acwifi, most of the images I used are borrowed from him. 1: … Read more
1. Replace the chip to solve motherboard issues: Problem description: A compatible computer’s motherboard integrated a graphics card. One day after turning on the computer, the monitor showed no display, and the speaker inside the case emitted a “beep, beep” sound. Problem analysis and solution: Since the speaker was alarming, it indicated a hardware issue. … Read more
The Raspberry Pi 5 board integrates 3 chips:1. Processor BCM27122. IO Management – RP1 (from the RP2040 family)3. Power Management DA9091Peripheral Interface UpgradesSupports dual 4Kp60 HDMI® display output2 USB 3.0 + 2 USB 2.0Supports PoE Ethernet interface2 Quad-channel camera/display transceivers1 PCIe 2.0 interface
Professional open-source development platform hardware supplier — Hardkernel has previously released a 64-bit high-performance general development board for global developers, this board, codenamed ODROID-C2, is priced at 40 dollars and is currently being publicly sold on its official homepage. (ODROID-C2) ODROID-C2 has a body size of 85 x 56 mm, weighs 40g, and uses the … Read more
Time flies, and another year has passed in the blink of an eye. I wonder if everyone still remembers that last year around this time I open-sourced the first matrix WiFi clock. Subsequently, I released a shorter upgraded version as a product in my Taobao store, and many friends purchased it to support me, for … Read more
This article introduces how to drive an ESP32 OLED display using .Net nanoFramework. We will start from the basics and gradually delve deeper, enabling you to understand and implement the entire process. Whether you are a beginner or an experienced developer, this article will be helpful to you. 1. Hardware Preparation 1.1 ESP32 Development Board … Read more
The Raspberry Pi 400 is essentially a Raspberry Pi 4 built into a keyboard. This great concept takes me back to my first personal computer. Of course, in the spirit of Raspberry, the complete kit is quite reasonably priced at around $100 (RMB: 660.8). Here are the details provided by Pi Hut: The Pi 400 … Read more
When you power on your computer and only the fans are running, with no response from the monitor, it certainly indicates a hardware issue. The best approach is to use a process of elimination to identify the problem. Here’s how: 1. Press the Caps Lock key on the keyboard. If the light turns on, it … Read more
Project Name: Multifunctional Mechanical Axis Scientific Calculator Project Author: shaoduan Introduction When you think I’m… using a calculator to do math? Actually, I’m… Playing Mario! Playing COTD! Playing Snake! Oh my, if I had this? Who could tell I’m slacking off? Project Description Back to the point! Thisslacking off toolcalculatoris made using ESP32. It is … Read more
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 … Read more