Previously, we introduced the process of discovering services and characteristics. Today, let’s take a look at what happens next.In the software, we click to control the light to turn it on and off. The data sent by the host is as follows:Captured dataOperation codeOperation code 0x12: write request.Write requestWriting the value 0x0001 to the attribute … Read more
Light Up an LED Continuing from the previous discussion, why should we learn to light up an LED before diving into microcontroller programming? The author believes that, first, in this experiment, we can learn how to add functionality to an engineering template; second, we can learn how to configure general-purpose pins to output high and … Read more
LCD (Liquid Crystal Display): Backlight source emits light + liquid crystal color rendering, with the backlight source now using LED lights. QD-LCD (Quantum Dot TV): The screen of a typical LCD TV uses an LED backlight that emits blue light, which is converted into red, green, and blue light through phosphors, ultimately forming white light, … Read more