This smart bracelet on PDD costs less than 10 yuan. Although it does not seem to be well-made, it has complete functions. Except for not supporting weather conditions and a short standby time, it has
ISO/IEC 17025 is a conformance standard developed by the International Organization for Standardization and the International Electrotechnical Commission. ISO/IEC 17025, referred to as "ISO 17025," is
[i=s]This post was last edited by zxw1126 on 2021-1-20 15:07[/i]In January, 2020 came to an end. I reviewed my work over the past year and summarized the gains and losses of the year. I felt a lot. Ov
Recently, I received a new functional requirement, which is quite rare. It requires support for two-way analog signal detection. Each channel can be configured by software to detect the type of signal