This review is the last review of H7. It simply transplants FREERTOS. FREERTOS is a free real-time operating system, which is very suitable for microcontrollers. For applications that need to take car...
I looked through my posts. I spent some time tinkering with slag a year and a half ago. It seems like a long time has passed, but it just seemed like yesterday. Recently, when I was cleaning up, I fou...
I use TMC5130 as the driver to drive the motor. The motor hums when it is stationary. I don't know why. I would like to ask for advice from all the experts!...
The seminar will introduce the performance of AMIC110 and its advantages as an industrial communication chip, the more than 10 industrial protocols supported by AMIC110, and how to implement solutions...
I was tidying up my room recently and found some old chips. I thought it would be a waste if they were wasted, so I made this for fun.
Main control chip: STC12C5A60S2
Display mode: 16*8 dot matrix LED...
Shiqiang further expanded its products such as power management, lithium battery charging, motor drive, LED drive, touch sensor, operational amplifier, audio power amplifier, etc., and signed an ag...[Details]
Rehabilitation after a stroke often takes a long time and has a poor prognosis. However, a new virtual reality device recently received FDA approval to help patients recover better and faster. This ...[Details]
1. Overview:
This article introduces the characteristics of bipolar SPWM control. Bipolar control is high-frequency switching, without industrial frequency switching. Q1, Q2 synchronous switch...[Details]
The high-definition renderings of the Fitbit Charge 5 bracelet have been exposed before. The new product adopts a rounded appearance and screen, which is more fashionable. According to the Weib...[Details]
First, the purpose: Learn to disassemble files. Understand the operation process of the machine by disassembling the file. 2. Disassemble the file: led_on.elf: file format elf32-littlearm Disasse...[Details]
2.3.2 Interface circuit
The functions of each pin of the font chip GT21L16S2W are as follows: Pins 1, 2, 5, and 6 are SPI interfaces, where: 1 (CS#) is chip select input, 2 (SO) is serial data ou...[Details]
Distributed storage centralized management
In a video surveillance system, the choice of storage solution directly determines the system architecture of the entire system as well as the pe...[Details]
AirPower was supposed to be Apple's wireless charging mat that could top up a number of Qi-compatible devices, from iPhones to AirPods. Sadly, the product was canceled by Apple after it was disc...[Details]
Effective, accurate and repeatable testing of W-CDMA devices during manufacturing is a very complex task. The testing issues include how to use the inherent flexibility of the system and how to det...[Details]
Xiaomi Youpin has now launched the Haylou Solar smart sports watch, which supports health monitoring, sleep protection and instant messaging. The crowdfunding price is 149 yuan. IT Home lea...[Details]
The device driver is the interface between the operating system kernel and the machine hardware. It shields the application from the details of the hardware. Generally speaking, the Linux device drive...[Details]
What is a high-fidelity player?
• When talking about high-fidelity players, people in the industry will think of CD players
• The basic principle of CD player is based on Nyquist sampling theore...[Details]
The switching power supply controlled by voltage will lose control of the current, which is not conducive to overcurrent protection. The shortcomings of slow response and poor stability are obvious. ...[Details]
Last week, the editor sorted out Wu Jianhong's reply. The enthusiasts all said that they were very touched. Wu Jianhong was also very moved by everyone's enthusiastic response. However, when the edi...[Details]
Development Background: 1. Main chip - STM32F207VCT6; 2. TCP/IP protocol stack - LWIP, transplanted based on ST routines; 3. Operating system - none (bare metal); Anomalies: 1. Power on the device wi...[Details]