BLE is the abbreviation of Bluetooth Low Energy , which is a subset of the Bluetooth specification and was introduced in Bluetooth 4.0 . BLE technology has successfully adapted to the needs of devices...
Memory is to CPU like warehouse is to workshop. Raw materials, semi-finished products, finished products, etc. in the workshop processing process need to be in and out of the warehouse. No matter how ...
Recently, I am planning to write a series of short articles about digital IQ modulation to help beginners better understand and master it. Although IQ modulation technology has been widely used in var...
1. The pulse capture module is used to capture the rising and falling edges of the pulse, and then the pulse width and duty cycle are calculated. 2. 6 sets of ecap modules can also be used as apwm out...
In view of the chaotic market competition in the LED lighting market, many businesses have adopted a vicious price war. It is also very difficult for consumers to understand LED chips as they hav...[Details]
0. Introduction
Dot-matrix flat-panel graphic LCDs are widely used in various portable products. There are many types of LCD controllers, and various control chips have differences in control c...[Details]
Smart homes are a trend. The core of smart home systems lies in the communication technology they rely on. The communication technology that everyone generally knows is mainly in the mobile field, ...[Details]
I have been studying the transplantation of UC/OSII to AVR microcontrollers recently. I have further studied UC/OS, but there are still some ambiguous issues that I cannot figure out. I have also d...[Details]
Nowadays, smart phones are constantly updated, and all new products have bigger screens and faster processors, from dual-core to quad-core. However, while the screens and processors are constantly ...[Details]
1. Definition of DMA: DMA, the full name is: Direct Memory Access, which means direct memory access. The DMA transmission method does not require the CPU to directly control the transmission, nor do...[Details]
Recently, the global patent database incoPat released the "Annual Report on Invention Patents Announced in 2020". Among the invention patents announced by the State Intellectual Property Office, OPPO...[Details]
Solid-state lidar sensors Velarray H800 and Velarray M1600, long-range Alpha Prime sensors... These advanced Velodyne Lidar lidar solutions were all unveiled at the 2021 Guangzhou International Auto ...[Details]
Overview In ARM-based embedded application systems, the operation of the storage system is usually completed by the coprocessor CP15. CP15 contains 16 32-bit registers, which are numbered from 0 to 1...[Details]
background knowledge: https://zh.wikipedia.org/wiki/I%C2%B2C IIC description in stm32: I2C Function Description: The I2C module receives and transmits data and converts data from serial to para...[Details]
1. Use an adjustable DC power supply to measure the voltage value of the Zener diode Use a 0~30V continuously adjustable DC power supply. For voltage regulator diodes below 13V, the output voltage...[Details]
Servo motor encoder failure and repair AL is a professional topic involving motor control, fault diagnosis and repair technology.
Servo Motor Encoder Overview
The servo mot...[Details]
1. Operation steps
1. Check the inverter model, rated capacity, rated voltage, adapted motor power and main technical data on the nameplate, especially the rated voltage.
2. Open the inve...[Details]
This article mainly introduces the relevant knowledge of ARM bare metal code relocation and the implementation process of relocation. The following will start with the startup method of the ARM bare ...[Details]
The latest research report released by Strategy Analytics' Mobile Component Technologies research service, "Smartphone Memory Market Share Q4 2019: Samsung Dominates NAND Flash and DRAM Markets with ...[Details]
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