"RF Circuit Engineering Design" analyzes in detail the design process of various independent RF modules such as LNA, mixer, differential pair, balun, tuned filter, VCO and power amplifier. From the pe
The so-called pull-up resistor is to connect the GPIO port of the microcontroller to the power supply through a resistor, and give the GPIO pin a certain high level in the initial state to prevent mal
I encountered a problem with Bluetooth debugging a few days ago. Today I received a technical call from the manufacturer for help. The technicians were very enthusiastic and professional.
In addition
[color=#4f4f4f][font="]Has anyone encountered this problem? I changed it according to the instructions on the Internet and compiled it, but it's still the same...[/font][/color]