After working for many years, I have written programs that implement functions according to requirements, and I consider them completed after the tests are stable. However, looking at the various coup...
SigFox wireless technology is based on LTN (Low Throughput Network). It is a WAN-based technology that supports low data rate communications over longer distances. It is used in M2M and IoT applicatio...
ProgramTA0CCR0 interruptThe following program uses the increment mode, so when it increases to TA0CCR0, a TA0CCR0 interrupt will be generated, and then the counter will automatically clear and start c...
I believe that all driver friends have more or less experienced this. When encountering poor road lighting, driving at night often requires switching back and forth between low beam and high beam. ...[Details]
Frequency converters and soft starters are two commonly used electrical devices in the field of modern industrial automation. They play an important role in motor drive and control. Although they h...[Details]
1. Basic working principle (1) Use IO port TRIG to trigger ranging and give a high-level signal of at least 10us. (2) The module automatically sends 8 40khz square waves and automatically detects whe...[Details]
At present, lithium batteries still have safety issues. In recent years, electric car fires have occurred frequently, many of which were caused by lithium battery fires. But the news is that the rese...[Details]
The system board I used is shown in the figure below: First install the code compilation software CDK; Hardware: ⚫ W805/W806 development board ⚫ USB to serial cable software: Windows compilation ...[Details]
Today, Samsung released the ISOCELL Bright GW1 sensor with 64 million pixels. When mobile phone manufacturers heard the news, they were generally overjoyed, and the senior management of mobile phone ...[Details]
On March 19, Gao Xiaofa, general manager of Wenzhou Zinc Era Energy Co., Ltd., and his delegation went to the State Grid Wenzhou Power Supply Company for exchanges and learning. They had in-depth e...[Details]
1. What are the current models of power inverters?
The power inverters currently sold on the market include 150W, 400W, 600W, 1000W, 1500W, 2000W, 3000W, 225W portable, and 400W portable.
...[Details]
0 Introduction
With the advancement of the replacement of the second-generation ID card, the fields in China that need to use the second-generation ID card are becoming more and more extensive....[Details]
This article introduces two typical examples of brushed DC motors using PWM drive using an H-bridge circuit.
① Input the PWM signal to one of the two input pins and drive it directly
...[Details]
In the existing temperature measurement system, the most commonly used temperature sensor - armored thermocouple, is often mistaken for "two thermocouple wires, just connect them" because of its simp...[Details]
Explosion-proof motor operating conditions
Additional voltage: 380, 660, 1140, 380/660, 660/1140V.
Additional frequency: 50Hz.
Quota: Continuous working system S1.
The motor ope...[Details]
A single-chip microcomputer is an integrated circuit chip that contains multiple functional components such as a central processing unit CPU, random access memory RAM, read-only memory ROM, input a...[Details]
There is increasing evidence that Apple is more likely to launch a new iPad Pro this year. Foreign media 91mobiles claims to have obtained CAD renderings of the new 12.9-inch iPad Pro, which shows th...[Details]
1. Overview of Thermal Management System for New Energy Vehicles
Automotive thermal management refers to the overall control of vehicle heat and ambient heat from the perspective of the system...[Details]
Analog electronics
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