——You only regret not having learned enough when you need it. Fortunately, I just reviewed some linear algebra recently, and I didn’t expect to use it in practice right away. I’m working on a project ...
There is a serious impedance mismatch between the ultrasonic driving power supply and the ultrasonic transducer, resulting in low energy transmission efficiency between the two, and the transducer can...
Hello everyone, I want to buy a batch of LED electronic lucky wall lottery modules, which require an external touch switch to control 12 5V or 12V LED lights. Each time the switch is pressed, the LED ...
Are you ready? The hottest days are here~~~Repost a copy of the People's Daily official account's introduction to the summer solstice~Meihakage Senryu, Konya Asamanaka
The new things and the changing ...
Now we need to port the STM32F1xx program to STM32F07xx, but we encounter the problem shown in the figure.The main reason is 1. The register names of the firmware library do not match;
2. The header f...
According to Adafruit's blog , CircuitPython is adding support for cameras on the ESP32-S2. With just a few lines of code, you can initialize, read the camera, and display images.import time
import bo...