/******************************************************** Program function: MCU keeps sending data to PC, and displays ASCII characters corresponding to 0~127 on the screen----------------------------...
Hello everyone, after my EDN51 test board was soldered, it can't work properly and can't ISP download. According to wang1jin's tutorial, I found that there is no voltage on pins 18 and 19 of 51, and t...
As the title says, as the title says, recently our company has received a batch of screens, but there are quite a few problematic screens. We have been doing repeated tests these days, and found that ...
1. When the base currents of T1 and T3 in Figure 1 are not equal in static state, why should R3 be adjusted? If the base current of T1 is greater than the base current of T2, should R3 be increased or...
I want to make a program that can query specific information with a mobile phone, so as to avoid the need to bring a laptop to the Internet. I think I am good at C language, but I don't have the basic...
Temperature detection is a necessary monitoring system for us at home, in and out of the community or workplace, and when traveling. Infrared thermometers help reduce contact transmission through non-...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
Microcontrollers are something that many people want to learn about and are concerned about. In most websites, the hardware requirements are generally as follows:
1. You need a computer, prefer...[Details]
At present, products in the field of monitoring generally focus on the field level, that is, the client/server (C/S) model is adopted, the purpose of which is to ensure the stability and reliability o...[Details]
Introduction
The LED market has seen tremendous growth over the past few years. Advances in thermal dissipation, packaging, and processing have resulted in higher brightness, higher efficien...[Details]
3. Driving circuit design
The power driver uses a field effect tube, which is a field-controlled device with a capacitance effect between the gate and source, so it has high requirements for t...[Details]
Workers in garment factories usually turn on the power of the sewing machine motor as soon as they get to work and do not turn off the sewing machine power until they get off work. In fact, during ...[Details]
1. Explanation of some common English abbreviations in ARM
MSB: most significant bit;
LSB: least significant bit;
AHB: Advanced High-Performance Bus;
VPB: VLSI peripheral bus th...[Details]
Microcontroller MCU
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