-
Working principle: The power supply circuit is simple. It uses transformer T to reduce the mains voltage of 220V to 30V. The low voltage is rectified by D1~D4 and then filtered by large-capa...[Details]
-
China Energy Storage Network News:
By Huang Zhen, Chairman and Party Secretary of State Grid Information and Communication Industry Group Co., Ltd.
State Grid Information and Communi...[Details]
-
This paper introduces the exploration and experience of Harbin Huaneng Central Heating Co., Ltd. in applying variable frequency speed control equipment, and also gives the technical characteristics...[Details]
-
The difference between microcontroller global variables, local variables, heap and stack
The local variable space is the stack space, or stack space.
When the local variable is declared, it is al...[Details]
-
1. Application characteristics of fingerprint recognition technology
Among the numerous biometric technologies used for identity authentication, fingerprint recognition technology is currently...[Details]
-
Apple iPhone 11 has appeared on GeekBench. The website shows that the iPhone 11 (with A13 chip) has a single-core score of 5472 and a multi-core score of 13769. At present, this score is the highest ...[Details]
-
Experiment: AT24C04 basic read and write operations Steps and phenomenon: Before downloading the program, select the IRC frequency of stc-isp: 12MHz. After the program is downloaded, in the serial ...[Details]
-
Chaodian Think Tank has learned that Sony Semiconductor Solutions has launched a new CMOS image sensor for vehicle cameras : IMX735, which has achieved a breakthrough in pixel level, with up to 17.42...[Details]
-
In recent years, the electricity demand in Changsha, Hunan has grown rapidly, and the power supply has become a bottleneck for high-quality development. To this end, Changsha has launched a three-y...[Details]
-
16-bit data transfer instruction (1) This is the only 16-bit immediate data transfer instruction of the 89C51 microcontroller. Its function is to send a 16-bit immediate data into the data pointer DP...[Details]
-
On April 18, 2023, at the 2023 Shanghai International Auto Show, Ruipu Lanjun's "top-notch" batteries "158Ah and 200Ah were launched for the first time, and 158Ah was mass-produced. It used its stren...[Details]
-
The heating tube can be regarded as a pure resistive load, and the current flowing through the heating tube is the pure active current. Use a clamp multimeter with AC current measurement function t...[Details]
-
On July 14, Ou Weibing, member of the Party Committee and Director of the Labor Union of Changsha Economic and Information Commission, and Peng Qiugui, Deputy Director of the Operation Monitoring a...[Details]
-
According to statistics, in 2018, China's sales of new energy vehicles reached 1.256 million, continuing to rank first in the world and setting a new record. By the end of 2018, the total sales of ne...[Details]
-
Littelfuse's unique KSC DCT tact switch offers dual circuit technology and SPDT functionality for superior safety
Available in SMT and IP67, providing efficient performance for automotiv...[Details]
PCB Design
京公网安备 11010802033920号
EEWORLD