As the title says, the idea is to have an external wifi and BLE Bluetooth soc on the board (or built-in). Normally, the board goes into low-power sleep mode, Bluetooth broadcasts, and the WeChat apple...
Evaluation 1iBeacon Bluetooth Beacon
This article uses beacons and demonstrates how to modify the iBeacon application to modify the Payload , MAC address, broadcast time parameters, etc. The BRD4108A ...
0x00 Introduction
The serial port is one of the most commonly used chip interfaces, and is widely used for both debugging and actual communication. USB is the most common interface for consumers nowad...
MCU is the abbreviation of single-chip microcomputer. Since MCU is mainly used in the control field, it is also usually called microcontroller in the world. Both MCU and microcomputer are composed of ...
I would like to ask the big guys to recommend a domestic DCDC (or DCDC controller) that can output 12V of power from an electric vehicle with a peak current of 6A. I can hang a speaker when setting up...
Nowadays, many pointer multimeters have the function of measuring AC current, but there are also many analog multimeters that only have the function of measuring DC current. In order to meet the meas...[Details]
The emergence of system-on-chip enables chips to achieve more complex functions and obtain higher performance, but at the same time, its internal signals are becoming increasingly difficult to observe...[Details]
According to OPPO's research, the proportion of young people taking videos and sharing them is increasing rapidly, and most users take videos after get off work or after 6 o'clock. However, wh...[Details]
As Japan tightens restrictions on the export of semiconductor materials, many South Koreans are calling on South Korea to produce its own materials. However, Yonhap News Agency reported that there is...[Details]
We already rely on electronic devices in many aspects of our work and life. From mobile communications to data centers, a variety of devices must operate with minimal downtime, which makes the re...[Details]
Integrated circuit maintenance is a huge project, because integrated circuits have many pins and they are very dense, so it is very difficult to disassemble them, and sometimes even damage the integr...[Details]
Digital acidity meter is a kind of teaching instrument that can be used for outdoor environmental monitoring activities in primary and secondary schools. It can quickly determine the pH value of the s...[Details]
Hardware: 51 board
(1) Single-wire ds18b20 connected to P2.2
(2) Use external power to power ds18b20, no parasitic power
Software:
Kei uVision 2
#include "reg52.h"
#include "int...[Details]
Electric vehicles (EVs) and hybrid electric vehicles (HEVs) are evolving, and so are the electronics in them. More and more electronics are playing a major role in the overall build and functionality...[Details]
The purpose of the experiment: to light up an LED lamp. The source program of the experiment: @********************************************************************************** @ File: crt0.S @ Fun...[Details]
LED displays are divided into two types: common cathode LED and common anode LED.
The common cathode LED circuit connection is shown in Figure 1 (a). The cathodes of the 8 LEDs are connected t...[Details]
On November 30, Jiejie Microelectronics released an investor relations activity record sheet stating that thyristors accounted for 49% of the company's total revenue in 2019. Due to the adjustment of...[Details]
Before smartphones, there were mobile devices that existed in our lives, and Palm was one of the best. Unfortunately, it didn't survive the current wave of smartphones. After several changes of...[Details]
1. Implemented through routing mode
If two PLCs belong to different network segments and have data communication needs, the most typical application is to achieve it through routing mode. On t...[Details]