Like MicroPython, CircuitPython can easily simulate USB HID devices, and can use the device as a USB keyboard or USB mouse. Let's take a look at the basic usage of USB HID:import usb_hidkb = usb_hid.d...
[i=s]This post was last edited by full_stack on 2022-5-9 00:54[/i]I am grateful to the platform for giving me a trial opportunity. I applied for Wi-FiBLE SoC NANO (WBRU). After consulting Tuya enginee...
Because the speed of writing flash to the node is too slow under the tinyos system, I began to suspect that there was something wrong with the speed of SPI, so I later directly read and wrote FLASH on...
1. StatementThe author does not understand embedded development. The entire reverse process is figured out step by step based on his own reverse experience. Please criticize and correct any mistakes, ...
I have seen that some PCBs have strictly double-sided crossing wiring. Is there any purpose for this?
Just like this picture, Top is horizontal and Button is vertical....
Today, let’s learn about the common automotive electronic reverse connection protection circuits.
01
Why Reverse Battery Protection?
Imagine the following scene: the car has not been driven for a long...
Millions of Chinese auto industry professionals are feeling the biting cold wind of the auto market under the impact of the epidemic, while watching the domestically produced Model 3 become popular i...[Details]
Kernel version:2.6.14
CPU architecture:ARM920T
Author:ce123(http://blog.csdn.net/ce123)
Sockets are closely related to the file system. We can operate sockets through the file system's open, read...[Details]
According to Xiaomi’s product line planning last year, the Xiaomi 12 series undoubtedly has an extra-large cup imaging flagship, the Xiaomi 12 Ultra, which has not yet debuted. There have been ...[Details]
After the resignation of Huawei's "Father of Hongmeng" was revealed not long ago , there was news that a former senior executive of Huawei HiSilicon jumped to MediaTek, which immediately attracted gr...[Details]
As the ease of use and performance of very low-power sensors, microcontrollers, and radio frequency (RF) transceivers continue to improve, wireless sensor networks powered exclusively or supplemen...[Details]
Higher speed ADCs place tight timing requirements between the converter output and the receiver input; knowing how to use data sheet numbers ensures error-free digital transmission.
High-speed...[Details]
Due to the spread of the novel coronavirus pneumonia epidemic, the State Council issued a notice earlier that the 2020 Spring Festival holiday will be extended to February 2. According to the severit...[Details]
Pickering Electronics launches new high voltage SIL/SIP reed relay with higher coil resistance and lower power consumption
3kV cut-off voltage; mu-metal magnetic shielding enables co...[Details]
This time the LCD and touch screen intelligence were transplanted together. As for the reason, I will post a detailed explanation tomorrow. http://www.arm9home.net/read.php?tid-14273.html It is main...[Details]
Introduction The AIS system is a collision avoidance system that uses TDMA technology to exchange data in the maritime mobile VHF band. It is one of the equipment that every ship must be instal...[Details]
Automatic Dependent Surveillance (ADS) technology is the most important achievement in the development of the new navigation system and the most effective solution to air traffic control (ATC) in t...[Details]
1. Main technical difficulties
① There are tens of thousands of pixels on a large LED display. As the display area increases, the circuit structure becomes more complex.
② In order to ens...[Details]
Apple will launch four iPhone 14 models this fall. According to Weibo blogger @手机陶瓷达人, Apple believes that the iPhone14 and iPhone14 Max using the old processor A15 may not sell well, and has...[Details]
Abstract: With the advancement of automatic control concepts and automotive electronic control technology, more and more wire control technologies are being applied in the automotive field. This ar...[Details]