The serial port uses RS422, and the conversion chip uses MAX3490. I don't know how to connect MAX3490 with stm32. Please drop a group of masters to smash me to death:time:...
Regarding the reference source, I need to use two reference voltages, 1.25V and 2.5V, in my circuit. a: 1.25V is used as a constant current source b: 2.5V is used as a reference voltage for ADC. The q...
Let me talk about my background: I graduated from a junior college in 2009. After graduation, I worked in Shanghai for one year, and then in Shenzhen. In total, I have worked for three years. Three ye...
Today, in order to familiarize myself with a new project, I need to check a lot of device information. I remember that the device information on our website is pretty good, so I checked it. It's reall...
I am currently doing a special research to achieve fast and accurate measurement of voltage on the inverter unit board. Currently, voltage measurement generally uses sampling resistors for voltage div...
On August 24th, Tesla CEO Elon
Musk
revealed information about the upcoming FSD V14, claiming it will outperform human drivers. Tesla FSD lead Ashok stated last year that FSD version 12.5, ...[Details]
PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[Details]
Reflow soldering is a critical process in electronics assembly production, and the cleanliness of the reflow oven has a direct impact on product quality. Dust and residue accumulation within the ov...[Details]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[Details]
Current Development Status of DVR Market
A DVR, or digital video recorder, uses a hard disk for recording, unlike traditional analog video recorders. It's often called a DVR because it's a com...[Details]
The structure of an LCD TV primarily consists of the LCD display module, power module, driver module (primarily including the main driver board and tuner board), and keypad module. LCD display modu...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[Details]
Smartphones have become essential digital devices, and the growing number of smartphone-centric applications is enriching people's lives. As users, they desire a better app experience and a wider r...[Details]
1. Ease of Use: The HMI module should be designed to be simple and clear, allowing users to easily operate and configure the energy storage device.
2. Ease of Maintenance: The HMI module should...[Details]
On August 22, according to CNBC's report today, the National Highway Traffic Safety Administration (NHTSA) is launching an investigation into Tesla, and the latter is questioned whether it has fail...[Details]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[Details]
I recently read an article in the Wall Street Journal titled "We need the right to repair our gadgets" (reference original article: ). The author was very angry about the phenomenon of "planned obs...[Details]
0 Introduction
With a rapidly aging population, a young couple is now required to care for an increasing number of elderly people, leading to a growing difficulty in providing care for them. E...[Details]
In this final installment of a five-part blog series, I will discuss noise in op amps driving headphone loads and some techniques for reducing it. Previous posts have discussed headphone load power...[Details]
The characteristics of electric vehicles place high demands on the motors they use. To increase top speed, the motor should have high instantaneous power and power density (W/kg); to increase drivi...[Details]