What values should be set for Bluetooth output power, receiving sensitivity, resolution, TX transmitting current, RX receiving current, and data rate to achieve better performance?...
[i=s]This post was last edited by Hurricane_csz on 2021-12-29 14:21[/i]Does anyone know the size of a USB interface? The kind that directly places the four signals (Vbus, GND, U+, U-) on the PCB?...
[size=4]Let's start with the official schematic, which is quite detailed. [/size] [size=4][/size] [size=4] [/size] [size=4][/size] [size=4] [/size] [size=4]The circuit is basically the same as the off...
I drew a CC1101 transceiver board a while ago, but it was not successful. Finally, I found that the 27nH inductor was soldered into 27uH, which eventually led to failure.
Now after the replacement, it...
For the project written by @CCss131, stm32f103 reads lps33hw data and prints it through the serial port
Created with STM32CubeMX, based on NUCLEO-F103RB
I don't have this board, @CCss131 you try it, i...
The charger introduced in this article directly uses 220V AC mains power and adjusts its output voltage from 0V through the control of the trigger circuit. It is suitable for charging 12V-220V ...[Details]
At the 11th Google I/O conference, Google released the 10-inch Nest Hub Max speaker with a screen, priced at US$229. This is also the first product jointly created by the two parties since Nest was i...[Details]
After Qualcomm released the Snapdragon 8 Gen 1 chip, ZTE announced on the same day that it would "launch three arrows at the same time". The new ZTE×Nubia×Red Magic mobile phones are all equipped wit...[Details]
On October 17, Xinyuan Technology issued an announcement disclosing that the company plans to sign a project investment framework agreement and a project investment agreement with the Jinxian Coun...[Details]
Development board and emulator connection: Create a new project: 1- Start IAR and select Project- Create New Projects… 2-Select C 3- Then select the path and specify the file name...[Details]
Recently, GKN announced the launch of a four-wheel drive decoupling system, which is mainly aimed at A-class, B-class and C-class platform vehicles. By equipping the innovative four-wheel dr...[Details]
According to Electronicsweekly on April 22, nine members of the U.S. House of Representatives jointly protested against the UK's sale of its largest chip factory, Newport Wafer Fab (NWF), to Chinese ...[Details]
IT Home reported on April 8 that according to China Securities Journal, at the "5G Message White Paper" release event on April 8, Samsung said that it has long supported the commercial use of R...[Details]
The calculation formula for the small-scale delay of the 1T series microcontroller (us): (4*t + 10) * 1/f void delay(u8 t) { while(--t); } Let's look at another nop related /* 1T series MCU...[Details]
Phase-corrected PWM mode (WGM01:0 = 1) provides the user with a method to obtain a high-precision phase-corrected PWM waveform. This mode is based on dual-slope operation. The timer repeatedly counts...[Details]
In a recent memo to investors, JPMorgan chief analyst Samik Chatterjee analyzed the delivery times of the iPhone 13 and iPhone 13 Pro in the 15th week of their launch. He believes that the delivery t...[Details]
If you crash a Tesla, the manufacturer will say it can't be repaired, and outsiders will say they don't have the technology to repair it, so the car can only be scrapped. But an American electrical e...[Details]
After overcoming the controversy over screen defects, Galaxy Fold has been sold in South Korea. Many consumers have received the physical phones. As media and consumers continue to upload reviews, th...[Details]
The schematic diagram and PCB diagram drawn by Altium Designer are as follows: The simulation schematic diagram is as follows and the MCU source program is as follows: #include reg52.h #define u...[Details]
introduction
CMMB (China Mobile Multimedia Broadcasting) is China's first mobile broadcasting and television standard with independent intellectual property rights for mobile terminals. It is als...[Details]