Is level conversion required when MSP430F5438 communicates with Huawei MG323? When the MCU voltage is 3.3V and the MG323 voltage is 3.8V, is the SP3223E level conversion chip still needed? The MG323 m...
USRP is still very interesting, but may be a little sensitive, so please search on Baidu. There are pcb files for USRP in the gnuRADIO project, but they basically cannot be opened. If you open them wi...
[b]1. Grasp the 51 and develop ARM[/b] In the past few months, I have been struggling with the 51 problem. I am a little bit amused at myself. It took me 4 months to consolidate the principles and pro...
I use a function of rfbasic to modify the transmit power of cc2530, but I want to find a way to test whether the modified power has changed. However, the current only has a pulse at the moment of send...
Recently I found that many friends are looking for DDS chip AD98** series program debugging, and I have debugged this type of chip before.
I mainly work on AD9833. I put my program here for your refer...
When I implemented the COPYOBJECT command in the MTP driver in the device, I always got an error when copying a large file. The PC reported a device interrupt, but the device was actually copying the ...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]
As countries around the world are leaning towards the new energy battery industry, lithium-ion power batteries, as the ideal energy source for the development of the 21st century, are attracting mo...[Details]
1. Electromagnetic compatibility design
Electromagnetic compatibility refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic env...[Details]