Preparation: 1. Download rt_thread source code 2. Download ENV tool: 3. Hardware F407 4. Open the BSP/stm32f4xx-HAL folder under the rt_thread source code path and open it with the ENV tool 5. In RT-T...
Maylove is a good person. He gave me a board and I tried it. It's very good. Ti's CCS is getting better and better. I believe there are many engineers developing and maintaining it. It is getting bett...
I am testing a 24-bit DAC chip PCM1789 recently (PCM1804 will be tested next). The output noise is very large, close to 100mV. I added a low-pass filter to the output, but the effect is still not idea...
Hello everyone! I'm working on the gprs module to access the Internet recently, but I've encountered some problems. I hope you can help me. I'll be grateful! I'm using the Siemens MC39I GPRS module, u...
I can locate the device normally using the positioning software, but when I use the hyperterminal to adjust the baud rate to 38400, the code is garbled. I have tried all the baud rates but none of the...
In today's society, heart disease has seriously affected people's life safety. Many patients with sudden heart attacks are threatened because they cannot get timely treatment. Traditional ECG monito...[Details]
A biped robot joint constructed by pneumatic artificial muscles is introduced. The joint uses the flexible characteristics of pneumatic artificial muscles to effectively control the impact of the la...[Details]
Currently, it is impossible to dynamically obtain patient information in medical monitoring. Once the patient's condition worsens, emergency treatment cannot be implemented in the first place, and the...[Details]
In the field of software development, the most critical but also the most unpredictable phase is the debugging phase. There are many factors that play a role in the process of software debugging, a...[Details]
TD-SCDMA terminal conformance test includes three types of tests: RF index test (reference standard: 3GPPTS34.122), protocol signaling test (reference standard: 3GPPTS34.123) and other tests (refer...[Details]
This issue will briefly introduce the test related to spectrum - occupied bandwidth.
Definition: Occupied bandwidth refers to the bandwidth corresponding to 99% of the total transmitted power, cent...[Details]
1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
introduction
Mobile phones, MP3 players, hard disk players, digital cameras, PDAs and other devices are all controlled by navigation keys. Currently, the more popular navigation key contro...[Details]
1. Introduction
The intelligent detector discussed in this paper is an integrated semiconductor photodetector. Compared with traditional semiconductor photosensitive devices, its most ...[Details]
Industrial control
often requires multi-channel fault detection and multi-channel command control (this multi-task setting is very common). A single CPU chip is difficult to directly complete ...[Details]
With a 31-step dimming range, existing LED drivers offer good dimming capabilities, providing smooth backlight boosting or dimming effects for LCD displays. However, when the end application involv...[Details]
High-speed serial communication networks are transmitting data and video information at unprecedented speeds. As transmission speeds increase, the evaluation of networks and their components become...[Details]
Frequent dropped calls, "network busy" messages, and intermittent service are all potential symptoms of poor device interoperability. Often, these issues are caused by either insufficient validatio...[Details]
Femtocell is similar to Home Node B, a small, low-cost cellular access point used to improve network coverage in personal residences and small business buildings. Usually, it is directly connected ...[Details]
Abstract: This paper describes a design scheme of a tire pressure monitoring system for automobiles that uses a high-performance 8-bit microcontroller MC68HC908RF2 combined with sensors and RF tra...[Details]
NXP MCU
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