From a standalone perspective, it includes two parts: the sensor module and the core board; thus, the core of the driver software is to ensure the connection between the two, with common hardware interfaces being MIPI and USB, focusing on the PHY layer during MIPI interface debugging; the common software driver frameworks are V4L2 and … Read more
EEWORLD Electronic News Sharp Interpretation Technical Content Updated Daily I am into DIY projects and will use an FPGA for PC and device data interfaces. I have wanted to create a small development board for a long time, featuring USB high-speed transmission, as well as an external RAM for FIFO as much as possible, with … Read more
The Raspberry Pi Zero is an excellent single-board computer not only because of its compact size and low price but also due to its convenient and user-friendly features. By adding a Zero Quick Plug or a microUSB/USB adapter, you can connect the Raspberry Pi Zero to your computer. This allows the Raspberry Pi Zero to … Read more
Author Jeff Dorsch RS-232-C is a serial physical interface standard established by the Electronic Industry Association (EIA) in the United States in the 1960s. RS stands for “Recommended Standard,” 232 is the identifier number, and C indicates the number of revisions. Why is RS-232 so widely used? Why not the Universal Serial Bus (USB) or … Read more
USB has become an indispensable interface in modern embedded systems, and choosing the right USB stack is crucial for project success. Eclipse ThreadX USBX, with its high performance, low resource consumption, and ease of use, has become the preferred choice for many embedded developers. 1. Overview of Eclipse ThreadX USBX: An Efficient and Reliable Embedded … Read more
Many desktop computers do not have wireless network cards and can only connect via Ethernet. To use WiFi, you can simply plug in a USB wireless network card, which is convenient: The USB wireless network card is very compact, leading to curiosity about how the circuit board fits inside: Next, we will disassemble a model … Read more
Recently, I watched a detailed explanation of circuit design by Philip Salmony, a graduate student from Cambridge University, on YouTube. The project is called the STM32-based RF to USB adapter, abbreviated as STRF, which includes: High-speed USB interface STM32L4 as the controller nRF24 2.4GHz RF transceiver Of course, he designed it using KiCad, and his … Read more
From the title, it indeed seems quite specific. From the system level, the buses recognized as cameras by the operating system include not only USB but also other buses, such as MIPI cameras, and many software-virtualized cameras. However, during the camera development process, there are always some technical specifications involved, such as the parsing of … Read more
Qiming Cloud/ 01 Problem Description When using the ESP32-S3 chip/module with a USB wireless network card and ESP-IDF version idf5.0.3, the client encountered an issue where the computer could not recognize the USB device after compiling and flashing the esp-iot-bridge/examples/wireless_nic example. What could be the reason? Qiming Cloud/ 02 Solution Approach After understanding the client’s … Read more
Espressif Community Heard that ESP chip enthusiasts are paying attention! ESP-HDMI-Bridge ESP-HDMI-Bridge is a multifunctional high-definition transmission device designed based on the ESP32-P4 chip, supporting wireless screen mirroring, USB secondary screen expansion, multimedia independent playback, and information reception and management functions.Whether in home entertainment, business office, or data visualization scenarios, this compact and easy-to-use device … Read more