The compiler I use is IAR FOR ARM. The chip I use is STM32. It's probably like this. The startup code changes the entry function. Reset_Handler LDR R0, =SystemInit ;BLX R0 LDR R0, =main ;Assembly labe...
When installing the software, when you receive the board, there is also a small CD inside, which contains some information used for this development board, including IDE, functional test software, man...
Headhunter: A foreign-funded company in Ningbo is recruiting: Electronic Engineer Responsibilities: Responsible for the intelligent function development of child safety seats, focusing on project mana...
Hello everyone! I recently encountered an inexplicable problem when debugging C6455. Please help me analyze it. Thank you. After the board is powered on, connect the emulator, enable the enable clock ...
I. Features The MAX2640 circuit has the following features: - Operating frequency range 400MHz-1500MHz; - Noise figure 0.9dB at 900MHz - Gain 15.1dB at 900MHz; - Wide temperature range (-40-85); - 40d...
It's tiring to read the code, so I took a break and came to see some jokes. I specially opened this post [color=#ff0000]to post jokes[/color]. Please don't reply to non-joke content:lol What do you th...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]