Application of ST72141K in Sensorless Control System of…

In most applications, stepper motor control is implemented using a microcontroller. However, there are many applications that require manual control of the stepper motor using a control device on the instrument panel. In a vehicle-mounted inspection instrument designed by the author, the main bod ......Reading more

What plastic factories are there in Shijiazhuang?

Shijiazhuang is the capital city of Hebei, and its economic development is still similar. Today, Jiuzhi Plastics Network's Xiaobian takes everyone to see what plastic factories are in Shijiazhuang: 1. Shijiazhuang Development Zone Shufeng Plastic Factory Address: No. 389, Shitong Road, Shijiazh ......Reading more

Office card access control system, access control syste…

First, the development and status quo of access control systems With the acceleration of digital network development, the scope of networked products has been expanding, and access control systems have steadily moved deeper into the direction of TCP/IP networks from the traditional RS485 bus tran ......Reading more

Design and Application of Torsion Bar Spring of Highway…

Design and calculation of the design and application of the torsion bar spring of highway filling machine. Xue Fengying, Tang Ping, and Anshan University of Science and Technology, Wei Chunyu, have designed and analyzed their design features. The highway filling machine (hereinafter referred to as t ......Reading more

Organic celery has taken control measures for sclerotin…

Organic celery yellow leaves, lobular leaves, falling flowers and fruit drop are all related to deficiency, and this phenomenon is spreading year by year.   The shed is planted with celery. The indoor humidity is high and the ventilation is poor. It is easy to get sclerotium disease. It is neces ......Reading more

Four practical tips for ceiling selection

Nowadays, consumers are renovating their houses, and they are increasingly inclined to choose integrated ceilings, especially in kitchen and bathroom spaces. With the development of the times, the diversification of the ceiling has gradually moved towards the whole house. How to quickly choose ......Reading more