Nowadays, all walks of life will launch a series of discount card-issuing activities in order to attract and retain consumers. We have just received a project to develop a membership card management s...
[color=#333333][font=微软雅黑]I want to design an amplifier with a bandwidth of 15MHz~25MHz, and a gain of 40dB at 20MHz. The input signal is about 1mv. I used the OPA847 common-phase amplifier circuit to...
[table=98%] [tr][td]The power consumption of FR6972 LCD display is nearly 20UA, while that of FR4133 LCD display is only 6UA; the circuits are similar, the only difference is that R23/LCDCAP is connec...
Sometimes we need to process data by bytes, especially when doing 8-bit data communication. Most MCUs support byte addresses, which means that when an address is added by 1, the data is moved by one b...
Original article by Mr. Gaosu | Liu LijuanRegarding the TX and RX layering issue, I often hear three different opinions:"What is stratification? Um...it's up to you."
"Why do you ask me to separate th...
EVSE charges EV batteries at Class 1 and Class 2 rated voltages.
Electric vehicle (EV) owners rely on electric vehicle supply equipment (EVSE) to efficiently charge their batteries. Ofte...[Details]
1. Introduction to OLED display panels
Take the QG-2864TMBEG01 OLED as an example, it supports three control methods: Parallel/i2c/SPI. Here we only use SPI control. See the ...[Details]
A blood glucose meter is a medical device used to measure the glucose concentration in the blood. Depending on the specific blood glucose concentration, it may also need to provide hypoglycemia med...[Details]
CAN is the abbreviation of Controller Area Network (hereinafter referred to as CAN), which is an ISO internationally standardized serial communication protocol. It has a fast communication speed and...[Details]
introduction:
Musk said about the pure vision solution: "If the information from the radar and the camera contradicts each other, the intelligent driving system will find it diff...[Details]
Smartphones and wearable devices are getting cooler and cooler, but they all have a common and well-known problem that cannot be solved for the time being: battery life. Traditional lithium batte...[Details]
In daily life, the rotary switches on household appliances occasionally fail to work or display garbled characters, which makes the equipment unable to be used normally. But in fact, the problem of...[Details]
1 Introduction To understand the Linux interrupt subsystem, you also need to understand the interrupt handling process of the ARM architecture. Only after you are familiar with the entire hardware an...[Details]
Small float liquid level switch is a common type of liquid level switch, which is made of plastic injection molding. It has the advantages of solid structure, stable and reliable performance, non-toxi...[Details]
Introduction I recently took on a tachometer project, the principle is to measure frequency. At first, I used an external interrupt, and then took the value according to the timer timing of one secon...[Details]
This article explains how to use an oscilloscope to display data, including horizontal and vertical controls, channel settings, math waveforms, reference waveforms, and display settings. Using the ...[Details]
January 22, 2024 – Mouser Electronics, a global authorized agent for electronic components and industrial automation products that focuses on introducing new products, added 64 new suppliers in 2023,...[Details]
In today's era of crazy involution in the automotive industry, each car company spends a lot of energy on functions that users can perceive immediately. For a car, its appearance is the user's first ...[Details]
A load switch is a switch that allows the switch to be turned on or off without exceeding the rated load. The corresponding switch is an isolating switch, which does not allow operation under load....[Details]
We have conducted a comprehensive inspection of the safety quality and equipment configuration of the energy storage project. No abnormalities have been found so far, and it can be put into operation ...[Details]
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