requirements:
Senior SW engineer:
requirements:
Senior SW engineer (>10K/month):
1. Theory requirement: MUST be familiar with the philosophy of wireless protocol design NOT ONLY focus on stack level, ...
Function 1: Networking of the coordinator, terminal devices and routing devices discovering the network and joining the network//Step 1: Z-Stack starts with the main() function. The main() function do...
I would like to recommend a good hardware development forum to you, especially IC design, both front-end and back-end, with a lot of information available for download. If you are interested, you can ...
Scientists at Spectrolab, a subsidiary of Boeing, reportedly said in a recent research paper on solar cell manufacturing that they have developed a solar cell that exceeds the landmark 40% efficiency ...
LEDs are increasingly being used for high-power area lighting, such as high-bay lights, parking garage lighting, wall washers, street lights, tunnel lighting, etc. With the continuous evolution of LED...
I use AD9854 to send out two IQ orthogonal sweep frequency signals. I use the single-ended output mode of AD9854. Both IQ and IQ are single-ended outputs. Can the peak-to-peak value of each output rea...
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]
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[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]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[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]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[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]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
Embedded System
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