From: https://www.hackster.io/palsayantan/neo ... ock-5bd11cEspRing comes with 2-bit ws2812b RGB LEDs and it has an ESP12E module built in to control the LEDs. So you get a neopixel ring with an onboa...
Use USB HID to simulate the mouse action. Use GPIO0 (BOOT pin of the board) as a button to simulate the left mouse button when pressed.# 在这里写上你的代码 :-)
from math import sin, cos, pi
import usb_hid
from...
1. A delay circuit is needed to allow a short delay before output after the strong power is connected.
There is an external 5V power supply, and there are strong power input and output lines. When str...
Live Topic: TI's new generation Sitara AM62 processor revolutionizes human-computer interaction - accelerates the development of edge AI
Live broadcast content:
This live broadcast will introduce TI's...
Provide standard thick card and special-shaped packaging. Standard thick card size: 86 x 54 x 5mm. Operating frequency: 2.4GHz-2.5GHz ISM microwave band, 128 channels, channel bandwidth 8MHz. Data rat...
Laser technology is an emerging science developed in the early 1960s that has affected all aspects of human life. Due to the characteristics of high intensity, good monochromaticity, good coherence a...[Details]
As a new generation of environmentally friendly lighting sources, white light emitting diode (LED) lamps have advantages that the current mainstream low-pressure mercury vapor discharge lamps canno...[Details]
Yesterday, Huawei Technologies Co., Ltd. disclosed the patent for "Photography method, graphical user interface and electronic device", with publication number CN113596316A. IT Home learned ...[Details]
1. Configure arm-linux-gcc 4.3.1 on the VMWare virtual machine;
2. Download the thttpd software package and unzip it;
3. Run in the thttpd root directory: ./configure;
4. Modify the Mak...[Details]
Recently, the shortage of Micron 139 chip COMs board has caused headaches for small and medium-sized enterprises in Shenzhen, and has become a hot topic in the surveillance industry. In recent years,...[Details]
With the development of industrial automation, intelligence and informatization, data exchange and communication between industrial equipment have become increasingly important. Efficient data inte...[Details]
The amateur radio frequency band is divided into many discontinuous bands from low frequency to high frequency. The commonly used ones are HF band, VHF band and UHF band. The higher frequency micr...[Details]
According to Reuters, on Tuesday local time in the United States, with the support of the U.S. Department of Energy and Department of Defense, the Department of Justice asked the federal court to sus...[Details]
With the continuous development of science and technology, mainstream PLCs now have self-diagnosis functions. However, the skill of PLC repair lies in making full use of this function for analysis ...[Details]
Today, Honor 9X Pro officially landed in the Indian market, with a starting price of 17,999 rupees (approximately RMB 1,689). It will be officially launched on May 21. On the first day of sale, the p...[Details]
Preface In a previous article, I modified the HAL library to enable USART to receive data of any length. This can enable the reception of data of any length ending with 0x0a, that is, it is con...[Details]
Today (6), at the 2020 Smart Technology and Industry International Cooperation, Qualcomm China Chairman Meng Pu delivered a speech with the theme of "Innovation-driven Cooperation and Win-win 5G+AI E...[Details]
Function: The inductive speed sensor is used in conjunction with the pulse disk to provide engine speed information and crankshaft top dead center information in the distributorless ignition system...[Details]
Noise temperature is not an indicator that must be measured for every antenna, but for large-sized antennas such as satellite communication ground station receiving antennas, noise temperature is par...[Details]
For home appliance maintenance personnel, a maintenance power supply is essential. However, a professional maintenance power supply is quite expensive. If the power supply is properly improved, a s...[Details]
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