[size=3]The emulator that has been used normally on Windows 7 operating system cannot recognize the driver on Windows 7 after the emulator is upgraded to V3 firmware. After repeated attempts, there is...
Since I have G D32C8T6 and 12864 LCD color screen, and some PCB manufacturers have very favorable policies, I decided to make a music spectrum display for fun.Design goals: small, low cost, battery po...
[size=4] PCB Layout is an extremely important step and link in the development process of switching power supplies. It is related to whether the switching power supply can work normally, whether the p...
[align=left][color=rgb(85, 85, 85)][size=4]For many people, their first exposure to energy harvesting was probably in the early days of solar-powered pocket calculators. While these types of calculato...
[size=4][b]1. Basic principles of electromagnetic wave generation[/b] [b] According to Maxwell's electromagnetic field theory, a changing electric field will produce a changing magnetic field in the s...
[font=微软雅黑][size=5] I modified the OLED and DHT11 routines of other pyb masters, which is really helpful for beginners like me who don’t have a deep foundation in MicroPython. The code is as follows: ...