The screenshot is from the HCNR200 4-20mA generator typical application manual. It says IPD2=ILOOP*(R5/(R5+R3)). I don't understand this. Cananyone explain it to me?...
This digital photo frame is different from ordinary digital photo frames. It supports Wi-Fi, Bluetooth and NFC wireless communication. You can set the photo frame to read pictures in a specific folder...
This paper introduces a USB interface design based on a single-chip microcomputer and a USB service chip PDIUSBD12. This interface is used in an embedded fingerprint recognition system to upload and d...
[size=4]Some time ago, the forum held a cortex series data upload event, and everyone uploaded a lot of resources in this area. Now this moderator will systematically organize and summarize the resour...
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
With the tense global energy situation and the improvement of human environmental protection awareness, the research and development of power batteries is in full swing around the world. At present...[Details]
1. Introduction
Industrial fieldbus technology is one of the technologies that has received the most attention in the automation industry in recent years, and it has brought a qualitative leap...[Details]
Typically, buck regulators are designed for continuous mode operation, which simplifies output voltage calculations and system design. However, if the system is non-synchronous and required to oper...[Details]
In recent years, information technology based on microelectronics and computer technology has developed rapidly, and ultrasonic non-destructive testing instruments have also gained unpreceden...[Details]
1. Architecture and operation of electronic toll collection system
The basic principle of the electronic toll collection system is to enable a special device (on-board unit) installed on t...[Details]
Abstract Frequency Modulated Continuous Wave (FMCW) radar has been widely used in automobile anti-collision systems. This paper describes and compares the development of automobile anti-collision s...[Details]
For a long time, the ambient temperature of the computer room has determined the working condition of the equipment. Whether the ambient temperature of the computer room is qualified reflects the c...[Details]
As the trend towards miniaturization continues, new packaging methods and methods of interconnecting integrated circuits have been developed. Today, "system on chip" refers to a packaging method th...[Details]
Overview
Flexible fieldbus connectors based on D-Sub interface technology are specified for popular bus systems such as CAN-Bus, Profibus and SafetyBUS p in the IP-20 range. The comprehensive ...[Details]
Analog electronics
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