Event details: Exclusive disassembly | Innovative application of voice control on true wireless stereo TWS headphonesTrue Wireless Stereo (TWS) earphones have finally become an essential accessory for...
[i=s]This post was last edited by kikiwu on 2019-3-26 18:06[/i] [align=center][size=5][color=#ff8c00][b]DIY Indoor Air Quality Monitor[/b][/color][/size][/align] [align=right][size=4][color=#ff8c00][b...
After unpacking, JTAG and UART USB were both plugged into the USB port of the computer. The screen was not lit, but the LED was red. After installing the driver CP210x, the red light turned green. The...
Recruiting embedded software development engineers, 150,000 to 300,000 yuan per year, located in Qingdao. Job description: 1. Central air-conditioning embedded software design; 2. Program architecture...
Recently, according to foreign media reports, Caviar, a famous Russian luxury design brand, has announced the launch of a series of gold products. In addition to the gold version of AirPods M...[Details]
Today I will show you a circuit of connecting a microcontroller to a 4x3 numeric keypad. The author is American electrician Robert Simhay. In many applications, a numeric keypad controlled by a microc...[Details]
The winners of the fourth Intel Artificial Intelligence Global Impact Carnival were announced recently.
The theme of this year's carnival is "Make AI Ubiquitous and Benefit Everyone", in orde...[Details]
If it is a linear stepless speed regulator, there are three possibilities that may cause the motor to not rotate fast enough.
1. The speed regulator may be faulty;
2. The speed governor m...[Details]
Today I read the memory management code carefully, and then looked at the relevant knowledge of the stack. I figured out some things that I didn’t understand before, and wrote them down for easy refe...[Details]
Another Dell XPS 15 9500 has appeared in the userbenchmark database, equipped with Intel's upcoming i9-10980HK processor, 64GB of memory, 4K screen, and UHD 630 core graphics. According to news from ...[Details]
April 2, 2022 , Shanghai, China - VeriSilicon (Visilicon, stock code: 688521.SH), a leading Silicon Platform as a Service (SiPaaS®) company, today announced that it has officially joined the UCIe (Un...[Details]
Recently, the "2017 Global Smart Inverter Application Technology Summit" was grandly opened in China Dragon City - Changzhou, Jiangsu. The conference held the award ceremony for the 2017 Global Sma...[Details]
Working principle of PLC controlling forward and reverse rotation of servo motor
The working principle of PLC controlling the forward and reverse rotation of the servo motor is as follows:
...[Details]
Data transfer instructions between the accumulator A of the microcontroller and the external RAM
MOVX A,@Ri
MOVX@Ri,A
MOVX A,@DPTR
MOVX @DPTR,A
illustrate:
1) In the 5...[Details]
Reservoir: Cleanliness is the key to maintaining the normal use of the mobile phase reservoir. Use HPLC-grade solvents and reagents as much as possible. Mobile phases containing buffer salts and n...[Details]
1. Introduction
Dual-tone multi-frequency (DTMF) is a signaling method developed by Bell Labs to transmit telephone dialing information over analog telephone lines that carry voice. Each digit...[Details]
On June 28, SK Hynix announced that the company has developed the "industry's highest performance" solid-state drive SSD product - PCB01 for edge AI PCs, which will be available in three capacities...[Details]
On November 10, according to the introduction released by Wuhan Economic and Technological Development Zone, on November 9, the 2024 Annual Conference of Hubei Automotive-Grade Chip Industry Techno...[Details]
Mobile and portable
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