This document will explain how to make the APP start automatically when the system is running on the Xunwei i.MX6Q development board. Let's first create an empty project named autorun, or you can choo...
1 Install JDK1) Android 8.1 system compilation depends on JAVA 8. OpenJDK needs to be installed before compilation. The installation command is as follows:add-apt-repository ppa penjdk-r/ppaapt-get up...
1 Burn the file system1. Before burning, let's modify some configurations of the mfgtools burning tool.If your board is EMMC, modify cfg.init as shown in Figure 89.5.1:If your board is NAND, modify cf...
This chapter will introduce the OpenCV porting method and combine it with Qt routines to further learn OpenCV image recognition. The materials used in this chapter have been put into the development b...
SiI6321/SiI6310 is a 60GHz millimeter wave transceiver that supports WirelessHD lossless high-definition image transmission. The maximum transmission distance can reach 30 meters, with a delay of abou...
[i=s]This post was last edited by Guadi on 2023-2-23 22:29[/i]1. FPGA with hard-core RISCV: Introduction to the SF1 seriesRISCV32IMCA (integer multiplication and division, compression instructions, at...
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
Abstract: Based on the analysis of the characteristics of the IRIG-B (DC) code type, a design method for IRIG-B (DC) time code decoding is proposed. This method consists of a small number of periph...[Details]
Traditional synthesis techniques are increasingly unable to meet the needs of today's very large and complex FPGA designs implemented in 90nm and below process nodes. The problem is that traditio...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]