The Raspberry Pi Zero is small, but its power bank may be five times bigger, but it is not cute. PiSugar is a battery project designed specifically for Pi Zero. It is very easy to use, no soldering re...
Basic concepts and issues
1. Bluetooth design paradigm?
When a mobile phone scans and connects to a low-power Bluetooth device, the mobile phone and the Bluetooth device form a client-server architect...
[size=4]#include[/size] [size=4]const int length=180/*The voice frame length is 180 points = 22.5ms@8kHz sampling*/[/size] [size=4]void filter(int xin[], int xout[], int n, float h[]);/*Filter subrout...
At 10:30 a.m. on December 1, Deng Zhonghan, Chairman of Vimicro, was a guest on Sina President Online, and had an online exchange with netizens on topics such as the listing history of Vimicro and Zhu...