This two-year drone company closed down and more on the…

"Last year we went to CES and we went bankrupt this year." Once CES was launched last week last week, Lei Fengnet also reported most of its products as usual. Then, on the evening of last Wednesday, A reader published such an exclamation to Lei Fengnet. This reader comes from Skye, a dron ...READING MORE...

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Battery Tester Introduction

The battery tester can test the performance of a single battery and can test the battery in groups. Accurately measure the terminal voltage and internal resistance of the battery through the AC injection method to determine the battery capacity and technical status. Evaluate ...READING MORE...

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Several common ground lines in the control system

DCpower generally refers to the source with the actual voltage, the others are the labels (in some simulation software, the default is to connect the label and the source) VDD: power supply voltage (unipolar device); power supply voltage (4000 series digital circuit); Pole vol ...READING MORE...

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Electric control valve selection and installation speci…

First, the electric control valve product selection points 1. Electric control valve selection of the main control parameters: nominal diameter, design nominal pressure, medium allowable temperature range, flow coefficient and so on. 2. For the strict case where the required flow rat ...READING MORE...

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