From: https://learn.adafruit.com/glue-stick-archway This project uses glue sticks and a NeoPixel LED array to create a "fiber optic" rainbow archway. The NeoPixels hidden underneath the glue stick dir...
Our studio has newly developed a portable radio amplifier. If you need it, please contact me. It has excellent performance and favorable price. We accept wholesale and retail....
After graduating from school, I basically stay away from home, and I only spend about ten days at home every year. It has been more than ten years since I spent the Lantern Festival at home. How about...
[i=s]This post was last edited by lingxin_yuhe on 2022-8-24 10:29[/i]Preface: I have built the VScode+idf development environment. Later, I want to make a small demo of real-time time and weather disp...
I want to ask you experts, how to effectively debug the notch filter? No matter how I change the resistors and capacitors, I can't debug the center frequency and bandwidth to the right level....
I need help from all the experts. I have this 51 series, but there is no hardware interrupt. I want to realize that when my sensor signal disappears, my contactor is powered on for 2S and then powered...