I am now using the adxl345 sensor to detect bicycle brakes. The X-axis is used to detect speed changes and the brakes can be very sensitive, but when the bumps are too small, they are mistakenly judge
[i=s]This post was last edited by manhuami2007 on 2022-10-23 10:14[/i]Contactless facial recognition access control system
1. Introduction
In the epidemic environment, people don’t want to touch thing
Written in front:
If the forum is like a school, then the moderators are like the teachers of various subjects in this school, spending their personal time and energy to share what they see and know i
NFC technology evolved from contactless radio frequency identification (RFID). The transmission range of RFID can reach several meters or even tens of meters, and it can only read and judge informatio
The entry.S in sirv-e-sdk is related to exceptions (interrupts). To use the interrupt function, you must understand how to write an interrupt handler. The main contents of entry.S are as follows:
#inc
By setting three baud rate-related registers, namely the baud rate integer UxBR1, UxBR0, and the baud rate trim register UxMCTL, the baud rate control parameters are calculated using the following for