[size=4]The function of the ADDKPC instruction is to save the return address and execute the nop instruction with one instruction. Before calling the B instruction to actually jump, the address of the...
Dear forum friends, if the portable device is powered by a lithium battery, I have a few questions to ask:
1. Does the battery voltage need to be collected and monitored by ADC? Or should a comparison...
TMS320F28335 digital signal processor is a TMS320C28X series floating-point DSP controller from TI. Compared with previous fixed-point DSPs, this device has high precision, low cost, low power consump...
[i=s]This post was last edited by zjd01 on 2019-8-12 19:06[/i]This evaluation uses the TGF4042 signal generator to generate commonly used typical signals, sine, square, triangle, and sinc .
Then use t...
Phase noise is one of the key indicators to characterize frequency sources, and has a significant impact on the performance of radar, cellular wireless communications, and high-speed wired communicati...
[i=s]This post was last edited by wangerxian on 2022-2-14 15:06[/i]Some time ago, I saw a friend on E-friend received a gift from our forum, which was a laser projection keyboard. I was very envious, ...
Recently, the Anhui Regulatory Bureau disclosed the listing guidance registration information of Anhui Xindonglianke Microsystem Co., Ltd. (hereinafter referred to as Xindonglianke). It was disclos...[Details]
In order to better meet differentiated market demands and improve the company's industrial layout, the company plans to invest in the construction of a low-voltage lithium battery production base w...[Details]
Tom Schumacher, a senior expert in the UK electricity market, wrote in S&P Global Platts Insights magazine that in recent years, British consumers have been able to participate in a competitive ene...[Details]
As automotive fuel efficiency standards continue to increase (to 40 miles per gallon by 2026, according to the U.S. Environmental Protection Agency), automotive audio designers are challenged to deli...[Details]
The light-emitting principle of LED is different from that of traditional lighting . It relies on PN junction to emit light. LED light sources with the same power have different current and vo...[Details]
The inverter consists of two parts: the main circuit and the control system. Inverters are widely used and come in many types. The basic types are: (1) According to the type of DC power supply ...[Details]
The 1982 science fiction film "Blade Runner" envisions a 2019 full of cyberpunk technology: the sky is full of flying cars, and humans can use a large-screen machine (Esper) to accomplish many ...[Details]
Today, Huawei Terminal’s official Weibo account announced a good news, that is, the long-awaited Huawei P40 Pro+ is finally here. The phone will open for pre-order on June 1 and will be officially on...[Details]
From February 6 to February 29, the State Grid Corporation of China reduced the charging service fee by half for nearly 30,000 charging piles covering five provinces, including Guangdong, Guangxi...[Details]
According to foreign media reports, researchers at the University of Waterloo in Canada have developed a cheaper and more efficient way to enable high-speed wireless connections for IoT devices. (I...[Details]
Key points of using printf() function in keil When searching for information online, I found an article introducing the use of printf() function in keil. I copied it here as a memo. In Keil, pri...[Details]
When using LED lights, the most feared thing is that the LED lights do not light up. At this time, do not blame the environment. Incorrect installation methods, protective measures and excessive po...[Details]
In the third quarter, the shipment volume of China's wearable device market was about 27.151 million units, a year-on-year increase of 45.2%. Among them, the shipment volume of smart wearable devices...[Details]
1. How to measure DC voltage? A: First, you need to set the coupling mode to DC, adjust the vertical scale to a suitable value based on the approximate range, and then compare the displacement of the...[Details]
On December 15, the signing ceremony of Anhui Yijiatong Battery Co., Ltd.'s project investment cooperation with Laohekou Municipal People's Government, strategic cooperation with Zhejiang Zhongli Mach...[Details]