Forum friends, if anyone has extra or unused ones, please transfer them to me for a fee. I have time recently and would like to study them seriously. Thank you. Hehe:loveliness: My QQ is 282574314. He...
Generating gerber files from pads is a bit tortuous. Actually, it is not that complicated. It feels like it took a lot of time. Make some notes. If you produce gerber files in a few months, you can lo...
[i=s] This post was last edited by paulhyde on 2014-9-15 03:54 [/i] I would like to ask all the kind-hearted seniors to help me. I would like to express my gratitude. Thank you...
When using the 51 board to make things, the AD conversion chip used is ICL7135 (double-integral AD conversion chip). I saw some information saying that a counter is used to count the integral stage, a...
The RT-Thread Developer Conference is about to start!An annual event for embedded designers, a chance to exchange views with industry leaders, the conference focuses on the latest and most popular top...
[i=s]This post was last edited by KK354 on 2017-9-13 20:51[/i] The circuit diagram is as shown in the picture below. NTC+, NTC-, connected to 100K (25 degrees Celsius) NTC, CHARGE PIN connected to the...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[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]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[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 potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[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]
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]