3D depth sensors

Animated Schematic Diagrams of PLCs and Sensors

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Animated Schematic Diagrams of PLCs and Sensors

The animated schematic diagrams of PLCs and sensors present the workflow of complex systems in a dynamic and intuitive manner, significantly enhancing learning efficiency and practical application capabilities. Below are their core advantages and typical application scenarios:PLC Sequential ControlPLC Forward and Reverse ControlButton SwitchPunching ProcessingPower-off Delay Timer RelayMulti-point ControlRoller-type Limit SwitchTraffic Signal LightRobot ArmAC ContactorThermal … Read more

Precision in Microtechnology: Sensiri’s Miniaturized Sensors Debut at SENSOR CHINA 2025

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Precision in Microtechnology: Sensiri's Miniaturized Sensors Debut at SENSOR CHINA 2025

Reflecting on a decade of change and envisioning a new future. From September 24 to 26, the China (Shanghai) International Sensor Technology and Application Exhibition (SENSOR CHINA 2025) was grandly held at the Shanghai International Procurement Exhibition Center, marking its milestone tenth anniversary. As a “long-time friend” of SENSOR CHINA, Sensiri, a provider of innovative … Read more

How to Connect NPN and PNP Sensors to PLCs? Remember Two Words to Solve All Wiring Issues

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How to Connect NPN and PNP Sensors to PLCs? Remember Two Words to Solve All Wiring Issues

How should NPN or PNP sensors be connected to PLCs or other devices? Actually, there is no need to memorize; understanding the concept of circuit allows you to connect them by referring to diagrams. Issues such as connecting sensors to devices, devices to devices, whether to connect the common terminal to positive or negative, whether … Read more

Research Summary: Donghua Testing

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Research Summary: Donghua Testing

Core Investment Logic: The robotics business has become the second growth curve, with significant expectations divergence. Donghua Testing has clearly shifted its strategic focus to the robotics sector, personally led by the chairman. The current market value does not fully reflect the potential of the robotics business, and a value reassessment is expected once mass … Read more

The Sensors Within Us

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The Sensors Within Us

In the past, I heard the elders say that the hardships and blessings one experiences in life are all counted. Now, I have come to understand this after a full cycle of sixty years. While understanding this saying, I also realized a fact: life is inherently filled with contradictions and challenges, and it is never … Read more

The Extension of Human Perception – Sensors

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The Extension of Human Perception - Sensors

The Extension of Human Perception Sensors Foreword Introduction You may not realize that when you are awakened by the vibration of a smart wristband in the morning, it is the accelerometer sensing your sleep cycle; when your phone automatically focuses while taking a picture, it is the distance sensor capturing the distance to the scene; … Read more

Types of PLC Input Sources: SINK and SOURCE and Their Wiring Methods

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Types of PLC Input Sources: SINK and SOURCE and Their Wiring Methods

1. Overview The digital input interface of a PLC is not complex. To enhance anti-interference capability, PLCs use optocouplers to isolate the input signals from the internal processing circuits. Therefore, the signal at the input end only needs to drive the internal LED of the optocoupler to turn on, and the phototransistor of the optocoupler … Read more

Corporate Story: Gigadevice

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Corporate Story: Gigadevice

1. Company HistoryThe story of Gigadevice began in 2005, born in Beijing’s Zhongguancun. Its start was not in the hottest fields of general-purpose processors or memory, but rather it astutely chose the relatively overlooked niche market of NOR Flash as its breakthrough point. With solid technical accumulation and precise market judgment, the company quickly grew … Read more

Sensor Discussions During Business Trip Leisure (149)

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Sensor Discussions During Business Trip Leisure (149)

Last night, in the ancient city of Xi’an, with the autumn rain drizzling, I wore a jacket and long pants, feeling a bit chilly. Upon landing in Shanghai, I had to take off my jacket to adjust my body temperature to adapt to the external environment. Humans are the most intelligent species on Earth, and … Read more

How to Quickly Understand PLC Programs?

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How to Quickly Understand PLC Programs?

How to Understand PLC Programs? 1. Fully understand the process flow of machine automation equipment. 2. Fully comprehend the principles and installation locations of all sensors. 3. Fully understand all actuators including inverters, servo motors, stepper motors, hydraulic, pneumatic, and other mechanisms, their principles, and the reasons for their use. 4. Understand the wiring of … Read more