I have used F4 FMC to drive LCD before, and thought it would be a piece of cake to move it to H7. However, after working on it for several days, I still couldn't get any signal, and the Hal library, L...
[i=s]This post was last edited by shijizai on 2021-3-18 10:45[/i]The ADC chip used is TI's ADS7054 (the input is differential input and the output is single-ended output). The signal I want to measure...
[i=s]This post was last edited by qwqwqw2088 on 2021-1-20 08:42[/i]The optical splitter is a component of the PON network. It is a passive device that connects the OLT and ONU. Its function is to dist...
[i=s]This post was last edited by 风雨潇潇_ on 2019-1-2 22:10[/i] [postbg]1.jpg[/postbg]When I first saw the introduction of this little thing, I couldn't suppress my inner restlessness. I can only say it...
Myth 1: UWB can only operate over short distances
This understanding is incorrect. While UWB is technically a short-range wireless technology (like Bluetooth, WiFi, and NFC), it's really more of a cat...
Chuanglong Technology TLA40i-EVM is a domestic evaluation board based on the A40i processor of Allwinner Technology, with a quad-core ARM Cortex-A7 high-performance and low-power design. The main freq...
0 Introduction
Digital signal processing mainly studies the use of digital sequences or symbol sequences to represent signals, and uses digital calculation methods to process these sequenc...[Details]
The following is actually a script in Tcl syntax that uses modelsim commands.
Provides 4 commands: sim, re, q, clear. The functions are as follows:
sim: When you first start simulation, c...[Details]
On the afternoon of December 31, the Shandong Provincial Government Information Office held a press conference to interpret the "2022 Policy List for "Stability and Progress" High-Quality Development...[Details]
1 Introduction
Among the mainstream fieldbus industrial communication technologies such as FF, LonWorks, Profibus, CAN, and HART, the CAN (Controller Area Network) bus not only has the characte...[Details]
Abstract: A linear circuit measures temperature and controls the speed of a cooling fan by generating a variable supply voltage for the fan.
Fan noise is becoming a larger issue as more electronic...[Details]
Concept Overview Defibrillators represent the future of healthcare . They have become a life-saving technology, but only a few years ago they were available only in hospitals and ambulances, and o...[Details]
Since the advent of low-power UPS, transformer-less UPS design has experienced more than 20 years of development. Today, most UPS below 30kVA are transformer-less, which means that UPS does not nec...[Details]
After the Spring Festival, many companies are facing the problem of difficulty in recruiting workers, which has lasted for many years. As labor costs rise, more and more small and medium-sized manufa...[Details]
Previously, media playfuldroid revealed that Huawei will launch a new mid-range phone called Huawei nova 8i in Southeast Asian markets such as Malaysia and the Philippines. From the renderings releas...[Details]
Its output can be connected in parallel to form a current of up to 16A. Its package contains a switch controller, power FET, inductor and supporting components. Its operating voltage is 4V~14V or 2.3...[Details]
In the rapidly developing cellular communication market, digital systems have replaced analog systems about ten years ago and have evolved from frequency division multiplexing (FDMA) and time division...[Details]
Abstract: This application note provides a quick, easy-to-use tool for determining the true location of image signals and the location of aliasing frequencies, as well as harmonic frequencies in a ...[Details]
Supply Voltage Monitor
When the power supply voltage exceeds the set level, the 555 circuit oscillates. The flashing frequency of LED1 is controlled by changing C3. ...[Details]
Not long ago, a "snake swallowing an elephant" merger and acquisition event occurred in the United States. Xerox, a veteran technology company and printer and copier manufacturer, proposed to acquire...[Details]
1. Introduction
As the core component of the DC power supply system, the battery plays a key role in storing electric energy, coping with abnormal grid and special working conditions, and main...[Details]