Have 3 series of MSP430 microcontrollers ever appeared? Currently, there are many models of MSP430 microcontrollers, such as 1xx, 2xx, 4xx, 5xx, 6xx, etc. Careful friends may have a question when brow...
Hello everyone, I used a friendly development board with a 3.5-inch NEC vertical screen before; now I use the core board to directly touch the screen, and chose a 3.5-inch horizontal screen from Truly...
In the code, I see three constants: CRC16_POLY, CRC16_INIT_REM and CRC16_FINAL_XOR. I don't know what they are used for. In some functions that calculate CRC, they are passed as parameters. crc16 = cr...
The schematics and PCBs of the two boards are similar. If an interrupt occurs on one of them, the serial port data will be wrong, and 81 will become e0 or 00 e0. I don't know if any of my friends have...
[i=s]This post was last edited by dcexpert on 2019-5-15 21:11[/i] There are two red LEDs in front of McQueen, which are controlled by P8 and P12 respectively. First, use MakeCode to write a small prog...
#include stdio.h int main() { char *p="abcdef"; //Many books say: p is on the stack, "abcdef" is in the data area p[2]='W'; printf(p); getchar(); return 0; } This program compiles, but what program wi...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]