[color=#333333][font=tahoma, arial, simsun]This board is a simplified version of BBB. Compared with the full version, it lacks eMMC, HDMI, USB and other components! The schematic diagram is the same a...
#include
unsigned int time[100];//Used to store level durationunsigned int i; unsigned char shor;//Minimum duration 0.05ms short unsigned int lon;//Maximum duration 20ms long unsigned char end;//Used ...
1. What do you study in college? The main difference between college students and non-college students is definitely not whether they have mastered a professional skill... A person who insists on a wr...
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.STD_LOGIC_UNSIGNED.ALL;ENTITY light ISPORT(clk,reset,sensor: IN STD_LOGIC;green_1,green_2,red_1,red_2,yellow_1,yellow_2 : OUT STD_LOGIC);
END ENTITY...
I bought an STM32F030 board and an F072 board. Both boards have ST-LINK. I disconnected the jumper connecting the ST-LINK and the CPU on the board, and used the ST-LINK's SWDIO and SWCLK to connect to...
[i=s] This post was last edited by qwqwqw2088 on 2017-1-10 20:48 [/i] Stylish appearance, 0-100km/h acceleration of 3.2 seconds, and a range of 440km, these are the data that Tesla Model S shows to pe...
Radio Frequency Identification (RFID) technology is a non-contact automatic identification technology that uses wireless radio frequency communication. Compared with the currently widely used barco...[Details]
In some applications, such as data loggers, it is desirable to have multiplexed analog outputs. When only a single output is active at a time, a voltage-output DAC">digital-to-analog converter (DAC) a...[Details]
Designers of hearing aids have stringent requirements. Hearing aids must be small enough to fit in or behind the ear, operate on ultra-low power, and be free of noise or distortion. To meet these requ...[Details]
As the application scope of medical equipment expands from hospitals to emergency response and home medical environments, its mobility will be determined by many factors. In addition, medical equip...[Details]
This summary will introduce the transmitter characteristic test of TD terminal products - uplink power control. According to the 3GPP TS34.122 standard, UE uplink power control is divided into uplink ...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pressur...[Details]
In a Class D audio power amplifier, the preamplifier is a relatively important module. It is located at the front of the entire topology and completes the processing of the input signal source,...[Details]
Introduction
Wireless operators are driving demand for broadband and data rates by offering enhanced data services to increase average revenue per user (ARPU). The need to provide users with ...[Details]
Introduction
High voltage power supply is an indispensable part of nuclear radiation detection instrument, which supplies high voltage to nuclear radiation detection devices (such as prop...[Details]
0 Introduction
At present, most of the automatic blood pressure monitoring systems used in hospitals are imported equipment, which are expensive and increase the cost of medical treatment. The...[Details]
0 Introduction
Implantable medical devices can be divided into two types: passive and active. Most passive implantable medical devices are non-electronic products, such as contact lenses, hear...[Details]
Abstract:
Aiming at the performance requirements of the control system for micro-sized walking robots, a control system that can be used for multi-joint driving of walking robots is introduce...[Details]
Introduction
DFT (Discrete Fourier Transformation) is an important transformation tool for digital signal analysis and processing such as graphics, speech and images.
The amount of calcula...[Details]
Today, many wireless devices combine GSM, WCDMA, Bluetooth, WLAN, GPS and FM technologies and support the high data rates required for mobile Internet. Moreover, as customers demand mobile wireless...[Details]
After being widely adopted in applications such as backlighting of portable products with small and medium-sized screens, light-emitting diodes (LEDs) have entered the field of general lighting in ...[Details]