Hello, friends. I've been working on the serial port upgrade function of the EFM32 chip recently. The bootloader made an error when jumping to the APP code. It has been confirmed that there is no prob...
I want to use the 12-bit ADC of MSP430F5529LP for sampling. But the sampling frequency is too low. How can I increase the sampling frequency? If the sampling timer is triggered, which timer should I c...
[i=s]This post was last edited by yhyworld on 2020-1-5 09:29[/i]As shown below, this is ST's 64 Kbit EEPROM: M24C64-W, which has four million write cycles.Now, only 40Kbit is used, and 24Kbit is unuse...
Everyone, I want to use a single TIM1 to output a specified number of pulses through PA7 (TIM1_CH1N). I have referred to many examples, both online and in the STM32CUBE library. There is no output, on...
The OS Image has added sdbus and its own SDHC driver and SDMemory, and the relevant settings have been added to the registry. The current situation is: the handle obtained by CreateFile using a name l...
Recently I want to make a program under Wince that can display web pages in the program. Since Wince does not support the htmlview class, I use IWebBrowser2 to implement it. I refer to http://www.vckb...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]