Discussion: Hardware Engineer's ManualThe hardware engineer's manual of Huawei (HW) has been circulating on the Internet for some time. 2@1IC used to have one, but it seems to have been removed now. T...
Question 1: Connection parameter update issue when CC2640R2F BLE4.2 and Bluetooth 4.0 mobile phone are interconnected.The CC2640R2F development document states the following:
A BLE peripheral device c...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:18[/i] 1. Choose good teammates. Electronic design requires cooperation to complete. So it is very important to choose teammates. Now the mor...
I have been debugging DM8148 recently. According to the requirements, the data obtained by the camera needs to be sent to DSP for image processing and then sent to A8 for other processing (network sen...
[i=s]This post was last edited by Mongoose on 2019-8-24 14:21[/i]background :
I1 and I2 are 4-20mA current sources, which flow through the load RL. A wire is drawn from RL to the comparator. The compa...
Model:MQT-805
Basic description: MQT-805 is a remote monitoring terminal based on RS485, 10M/100M network port communication, supporting Modbus bus protocol, Modbus TCP protocol (dual network port), 2...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]