Quectel BC28 NB module antenna debugging problem--------Now I have a problem. A product must use NB module, which is BC28. The frequency band of NB is very wide, especially the low frequency. As a res...
Abstract : In high-frequency circuits, how to efficiently transmit power is an important consideration. Due to the internal circuit characteristics, the input and output impedance of the high-frequenc...
Portable health monitor for the elderly1. Introduction
Name: Portable health monitor for the elderly
Function introduction: This design uses RSL10-002GEVB board as the main board, RSL10-SENSE-DB-GEVK ...
物联创客onsemi and Avnet IoT Innovation Design Competition
In order to test QT, I prepared to connect the HDMI interface to the display. I followed the user manual and the display error:I set up according to the operation:Then after startup, the following err...
[i=s]This post was last edited by dcexpert on 2019-12-11 10:05[/i]CircuitPython, an important branch of MicroPython and also open source, has just released version 5.0.0 Beta 1.https://github.com/adaf...
Characteristics of CAN bus
(1) It is a multi-master bus, that is, each node machine can become a host, and the node machines can also communicate with each other.
(2) The communication medium can be t...
In daily industrial electrical maintenance, insulation resistance testing is often required. This involves an ideal test instrument to be shared today. It is also an indispensable tool for our electr...[Details]
According to foreign media reports, Marc Koper and other researchers at Leiden University have discovered a new way to improve hydrogen fuel cells by exploring oxygen reduction reactions. (Image...[Details]
We obtained configuration information about BYD smart watches from relevant channels. The watches support vehicle control and can have a maximum standby time of 30 days. The dial of BYD 's smart ...[Details]
The 82nd China Electronics Fair will be held in Shanghai New International Expo Center from November 13 to 15, 2013. At that time, ITECH will present power supplies, electronic loads, and some test s...[Details]
1. Touch screen hardware knowledge
1. Module schematic diagram
S3C2440 has 8 ADC channels, of which the touch screen controller interface XP, XM, YP, YM multiplexes four IO pins with four...[Details]
Light-emitting diodes (
LEDs
) have become the mainstream for streetlights and other high-power lighting applications due to their power-saving and maintenance-free features. Although the...[Details]
There are many types of automotive sensors, and automotive gas sensors are the most important component. According to incomplete statistics, gas sensors account for more than 50% of the sensors use...[Details]
Many friends who are engaged in embedded systems have no problem writing code, but when they debug on the board at the end, they hang up. The reason is that there are problems with the chip's startup...[Details]
This article takes the dt-830 digital meter as an example to illustrate its measurement range and usage. 1. Measuring range (1) DC voltage is divided into five levels: 200mv, 2v, 20v, 200v, 1000v. (...[Details]
Friends who are familiar with power supply circuit design know that electromagnetic interference (EMI) is a big problem in the design of LED power supply. So how can we solve this problem? This...[Details]
During my development, I have encountered a situation where I set a breakpoint myself but forgot where it was set. At this time, you only need to press Alt + shift + 5 or click Window --- Debug (B) -...[Details]
Naxin Micro introduced the new industry-leading NSR31/33/35 series LDO chips for the first time, which are designed for application scenarios where the car battery is used to power the system. They...[Details]
Previously, the CHAdeMO Association and the China Electricity Council (CEC) were developing a new global fast charging standard with the support of the Chinese and Japanese governments. The new stand...[Details]
Semiconductor research organization TechInsights recently released a report on the global cellular baseband chip market. Sales and revenue of global manufacturers fell sharply in Q4, but the global t...[Details]
Electric vehicles (EVs) are the future of mobility, but the biggest barriers to mass consumer adoption are range anxiety and price. While using a larger battery would be the obvious solution to inc...[Details]
Analog electronics
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