The current usage is that two 12V systems from different sources share one relay (HF105F), and each 12V output is converted by a transformer and DCDC. The usage scenario is: each 12V system can drive
[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
[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