As the title indicates, I have recently been learning how to generate PWM waveforms for DSP. There is a long routine on the Internet, and I have also configured it accordingly, configuring the wavefor...
In previous experiments ( https://en.eeworld.com/bbs/thread-1181419-1-1.html , https://en.eeworld.com/bbs/thread-1182177-1-1.html ), we found that the video captured by the camera of the R329 developm...
[color=#333333]Hello experts, I am planning to build an electronic and electrical laboratory and would like to know the environmental requirements for this laboratory. In this laboratory, electronic a...
One annoying feature of the 51 core microcontroller is that during reset, the IO port is in a high level state. If the device controlled by the IO port is triggered by a high level, the device will b...[Details]
Circuit principle: A fast charging circuit for NiMH batteries is built with bq2004. It charges 10 NiMH batteries with a maximum fast charging current of 2.25A. The circuit is shown in the figure. ...[Details]
The board is equipped with an EEPROM memory, model AT24C02. The hardware connection of the board is: SCL--- P2.4, SDA--- P2.5. Straightforward, paste the program! ========================24cxx.h f...[Details]
Abstract: In order to remotely monitor real-time temperature data, the characteristics of the temperature sensor DS18B20 are used to form a real-time temperature detection system with the AT89C51 s...[Details]
The basic function of the on-board charger (OBC) is to connect the grid voltage to the on-board charger via the ground AC charging pile and AC charging port to slowly charge the on-board power batt...[Details]
Introduction
Nowadays, more and more electrical appliances are used in cars, and more and more electrical switches need to be manually operated by drivers, which not only increases the bur...[Details]
On November 8, 2022, MediaTek released the Dimensity 9200 flagship 5G mobile chip. With innovative breakthroughs in high performance, high energy efficiency, and low power consumption, and with a...[Details]
At 8:05 on May 16, Liu Zhigang, a dispatcher of Shandong Dezhou Power Supply Company, found an alarm message of grounding of phase B of the 10kV Mengde line on the duty screen. He notified the main...[Details]
The D/A converter inputs digital quantity and outputs analog quantity after conversion. There are many technical performance indicators related to D/A converters, such as absolute accuracy, relativ...[Details]
According to feedback from netizens on IT Home, Samsung recently pushed a new system update for the Galaxy Note10+ 5G, fixing a bug that caused the screen to occasionally malfunction. The update si...[Details]
On December 16, 2021, MediaTek released the Dimensity 9000 flagship 5G mobile platform, the first flagship chip in the industry to adopt TSMC's 4nm process. At a time when the "chip shortage" problem...[Details]
1 Introduction
In order to ensure the reliable operation of high-speed rail, it is necessary to deploy remote base stations for signal monitoring and control along the railway. UPS provides pu...[Details]
In the previous example, when calling a function, no parameters are required, so the brackets are empty when defining and calling the function. However, more often, we need to pass parameters between...[Details]
The intelligent power distribution system is a set of power management system suitable for low-voltage power distribution system, which is developed according to the needs of users and the sta...[Details]
0 Preface
Power electronic conversion technology has developed along with the development of power semiconductor devices. With the rapid development of computer and information technology, digi...[Details]
51mcu
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