[i=s]This post was last edited by qditz on 2020-1-17 15:36[/i]In the most beautiful season, meet the most beautiful Qingdao. Every picture seems familiar, and every picture makes you and me linger. Lo
Forum friends, is there a Zigbee technical exchange group (QQ group or WeChat group)? Please share it. . . It is mainly to facilitate real-time communication and timely exchange of doubts. I am starti
I saw the news this morning. Maybe someone will be interested, so I’m sharing it here.ST's EVL400W-EUPL7 evaluation board is a ready-made 400W power supply solution that meets today's most stringent e
**1. Subject** Tina Wireless Network WiFimanger2.0 User Guide**2. Problem Background** Products: All products that need wireless Hardware: V853 + XR829 Software: Tina4.0 + Wi-Fi \ **3. Problem Analysi
A TFT LCD, driver chip ST7735, the microcontroller can be connected to 5V or 3.3V power supply. When using 3.3V, the LCD pins use resistors to divide the voltage to get 3V level, the LCD displays norm