During the production process of PCBA soldering, operational errors can easily lead to defects such as: cold solder joints, short circuits, component lifting, missing components, solder balls, component misalignment, excessive solder, incorrect components, cold soldering, reverse soldering, white/reverse side issues, misalignment, component damage, insufficient solder, excessive solder, solder sticking to gold fingers, and glue overflow. … Read more
Opinion / Champion This is the68th original content from the Watt Product Design public account. â–ª Potting WaterproofingCurrently, the most common method for potting waterproofing is the use of epoxy resin potting glue, which is used for potting electronic product modules, allowing the entire PCB to be encapsulated, thus providing waterproof, moisture-proof, salt spray-proof, mold-proof, … Read more
Case IntroductionPCBA for Agricultural DronesFunction Overview1. Flight Control and Navigation Flight Controller: As the “brain” of the drone, the flight controller integrates a microcontroller unit (MCU) that processes signals from sensors and executes flight tasks such as takeoff, hovering, route planning, and landing. Inertial Measurement Unit (IMU): Includes accelerometers, gyroscopes, and magnetometers to monitor the … Read more
Case IntroductionSmart Bracelet PCBAFunction Overview1. Health Monitoring Features Heart Rate Monitoring: Real-time detection of user heart rate changes through built-in optical or capacitive sensors, providing heart rate data, heart rate zones, and alerts. Sleep Monitoring: Analyzes user sleep patterns, including deep sleep, light sleep, and awake time, providing sleep quality assessments and improvement suggestions. Blood … Read more
👆If you would like to meet regularly, feel free to star 🌟 and bookmark it~Source: ContentTranslated fromthebrighterside, thank you. From online shopping to medical research, artificial intelligence (AI) continues to impact our daily lives. However, behind every click or discovery lies a world of computational power facing significant challenges. Today’s computers consume vast amounts of … Read more
Practical Sharing on the Automation Transformation of Industrial Water Supply Systems: A Solution Based on S7-400 Having been engaged in the industrial automation industry for 15 years, focusing on the automation transformation of large water supply systems, I would like to share my experience from a municipal water supply system automation project that I led, … Read more
1. Analysis of RK3399 Boot Modes The boot process of RK3399 is divided into hardware initialization and software boot stages, with the core logic consisting of BootROM, SPL/U-Boot, and the kernel. 1. BootROM Stage (Hardware Initialization) Firmware: The unmodifiable code stored in the chip’s internal ROM, responsible for: Initializing the CPU core clock and DDR … Read more
01 Introduction to Fault Injection Methods In critical scenarios related to functional safety, intensive testing activities are essential to ensure that new systems and built-in fault tolerance mechanisms operate as expected. Ensuring that the system operates normally in the event of a failure (Fail Operational) is a more complex issue than traditional testing content. The … Read more
ACROVIEW, a leader in chip programming technology, recently announced the latest iteration of its programming software, unveiling a series of newly compatible chip models. In this update, the serial interface flash memory P25Q16SH-SS from PUYA Semiconductor has been supported by the chip programming device AP8000. P25Q16SH-SS is a serial interface flash memory device designed for … Read more
2.7 Using Renesas Flash Programmer Software to Program Chip Firmware First, manually set the chip to enter Boot mode as described earlier. Then open the Renesas Flash Programmer (RFP) software, create a new project, and set the connection method. Finally, select the program file to be programmed and program the chip’s internal Flash. Switch to … Read more