Looking for some documents related to bluenrg-lp bluetooth
Does ST have some documents on Bluetooth application circuit design and layout, as well as some related matching circuit debugging, antenna d
With the rapid development of mobile Internet and Internet of Things, and the emergence of more and more smart devices, there will be great communication needs in various fields such as AR/VR, ultra-h
When measuring capacitance with a capacitance meter, a negative sign is displayed before the measurement result. Even if the needle is swapped, the negative sign is still displayed. What is the reason
1. Introduction
Originally, I wanted to design a portable device for people entering tunnels or mines to wear. Since there are no NB or 4G signals in tunnels or mines, signals can only be transmitted
Using the opamp6 of stm32g474 configured in voltage follower internal connection mode, connected to adc4 internally, the sampled adc4 data is always zero, and opamp6_vinp cannot be changed.
opamp6_vin