APM 1.0 & 1.1: BIOS performs power management; APM 1.2: The operating system defines the power management time, which is executed by the BIOS; ACPI: The BIOS collects hardware information and defines ...
Live replay: Nichicon's new power storage device pioneering the IoT society : https://training.eeworld.com.cn/course/5063Nichicon has recently developed a small lithium-ion secondary battery that can ...
In the previous article, we tested using SHT20 to read temperature and humidity. Currently, we use the serial port output. There happens to be an OLED display screen on the board, so this time we will...
When the company was making electronic switches, for reliability reasons, many components were from big brands, and the MCU was PIC. As a result, the product still had many problems. We went back to r...
FPGA (Field-Programmable Gate Array) is a field-programmable gate array, which is a further development of programmable devices such as PAL, GAL, CPLD, etc. It is a semi-custom circuit in the field of...
See the figure for the method. Use the R×10 position of the multimeter, connect the black test lead to the anode of the unidirectional thyristor, and the red test lead to the cathode. At this time, th...[Details]
On April 13, the blockchain-based electronic contract signing platform of State Grid Zhejiang Electric Power Co., Ltd. was officially launched. The platform promotes the construction of a modern sm...[Details]
The S3C2440A Universal Asynchronous Receiver and Transmitter (UART) provides three independent asynchronous serial input/output (SIO) ports, each of which can operate in interrupt or DMA-based mode. ...[Details]
The configuration of the CAN bus of stm32 is as follows: CAN_InitStructure.CAN_TTCM=DISABLE;//Disable time-triggered communication mode CAN_InitStructure.CAN_ABOM=DISABLE; CAN_InitS...[Details]
According to the particularity of LED luminous flux measurement, a unique optimization is made in the design of the integrating sphere for LED measurement, and the use of high-reflectivity diffuse ...[Details]
You need to understand several startup modes of STM32.
B0 is connected to GND, and B1 is connected to GND. That is the normal startup mode, loading code from flash.
B0 is connected ...[Details]
1 System Overview The device collects geographic information through GPS and attitude information through electronic compass. Based on the geographic information collected by GPS and the position of ...[Details]
What is perception?
In the autonomous driving track, the purpose of perception is to imitate the human eye to collect relevant information and provide necessary information for subsequent deci...[Details]
As the only international auto show in the world that can be held normally in 2021, the Shanghai Auto Show has indeed brought a revolutionary automotive feast under the theme of "Embrace Change". Wha...[Details]
VIA today released a new fanless mini system "ARMOS-800", which is its first industrial system based on ARM architecture. Before this, VIA AMOS series used its own processors, but this time when the ...[Details]
On December 16, 2019, Intel announced that it would acquire AI chip startup Habana Labs for $2 billion. At the time, some people speculated what this acquisition meant for Nervana. According to Leife...[Details]
LED
basic terms VF, IV, WL, IR explanation and
luminous flux
conversion relationship
V stands for voltage.
F stands for forward.
I stands for electric current.
R stands for...[Details]
Mouser Electronics, Inc., the semiconductor and electronic component distributor with the fastest-growing inventory, has been recognized as a Premium Distributor by FTDI Chip, a global leader in deve...[Details]
Energy-saving lighting is a necessary choice without harming the eyes and body. However, lighting suitable for daytime work may not be suitable for nighttime rest. Recent medical discoveries show ...[Details]
This code uses Proteus simulation, uses 51 single-chip microcomputer to simulate PWM, uses timer to obtain motor speed information, uses PID algorithm to control speed, speed, P, I, D can be set wi...[Details]
Power technology
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