In the previous review, we implemented the transplantation of lvgl, and we can add controls to change the display function. But how can a touchpad be without the touch function? Therefore, we need to ...
The input voltage of solar power supply fluctuates between 2-9V, and the internal resistance of the power supply is relatively large. In this case, how to output 5V voltage stably? [[i] This post was ...
I am a novice, I hope you experts can help me~~~ I use SIM300C to transmit data via GPRS. After transmitting data once, I set the DTR pin to high level (the manual says that this can sleep). After tha...
Hello everyone, I created a new project and added files on the S3C44b0 development board, and then compiled and simulated through ADS. As a result, I found that there was no response on the developmen...