• To utilize the RKMMP hardware decoding feature on the OpenWRT system for the RK3568 platform, we will use the customized GStreamer 1 source code from the RK3568 Buildroot SDK to cross-compile the relevant components of GStreamer 1, aiming to adapt it for the OpenWRT target board. The compilation process is for reference only. Source … Read more
Click the blue text to follow us 1. Introduction to RK2118M With the rapid development of smart cockpit technology, the in-vehicle audio scene has placed higher demands on hardware performance. Complex scenarios involving multiple speakers, microphones, and sound zones require more powerful interface capabilities, higher AI computing power, and more cost-effective audio processing chips. The … Read more
Recently, RISC-V leading company Ruisi Semiconductor held a grand 2025 Spring Product Launch Conference at the Qianhai International Conference Center in Shenzhen, where it unveiled the next-generation high-performance Lingyu processor. The Lingyu processor is China’s first fully self-developed high-performance RISC-V server chip, achieving international mainstream levels in computing power, energy efficiency, and interface configuration, suitable … Read more
RISC-V as an open-source Instruction Set Architecture (ISA) has rapidly risen globally in recent years, promising to reshape the semiconductor industry landscape. From chip design companies to software developers, from academic research institutions to industry giants, there is active exploration of RISC-V applications and innovations. Omdia reported that in the past three years, an increasing … Read more
When designing PCBs, there are many small details to pay attention to. Let’s see if you are a detail-oriented person. 1. When calculating the routing length, include the length of the vias and pads that the signal passes through. 2. During routing, avoid right angles and sharp angles that can cause signal reflections. Preferably use … Read more
Guanghe Technology recently announced its 2024 annual report, benefiting from industry recovery, with revenue, profit, and cash flow all showing improvement. However, the latest annual report not only conflicts with previous disclosures but also contains contradictory items such as the guarantee deposits for commercial acceptance bills. The report’s response regarding whether related transactions exceeded the … Read more
Abstract: The layout of switch power supply PCBs is an important process in the development of power products. In many cases, a power supply that is perfectly designed on paper may not work properly during initial debugging due to various issues in the PCB layout. This article discusses the basic points of switch power supply … Read more
PCB edge plating is a process that involves coating or plating conductive materials (usually copper) on the sides of the PCB along its height. Typically, ENIG surface treatment is used for plating at Jiepei. The purpose of edge plating is twofold. First, it provides reliable electrical connections. When the edge of the PCB needs to … Read more
Today, let’s discuss the color differences in PCB materials. Various types of boards produced by different manufacturers often exhibit subtle differences in color. These differences are not only related to the properties of the materials but may also reflect variations in their production processes and application fields. Differences in Color of Different Types of Boards … Read more
Silkscreen design is an essential factor in PCB design. The silkscreen on a PCB typically includes: component silkscreen and designators, board name, version number, anti-static symbols, barcode silkscreen, company logo, and other identifiers. Next, let’s take a look at the requirements for silkscreen design in PCB design. 1. Silkscreen Design Requirements The height-to-width ratio of … Read more