In the field of motorcycle electronic fuel injection, the reading of data stream and freeze frame were previously defined by the manufacturer. Now that motorcycles have added the National IV OBD requi...
In the program of the MM32 eMiniBoard development board, there are related functions of Systick. By combining it with the OLED screen, a second timer can be realized, and its running effect is shown i...
[backcolor=rgb(239, 245, 249)]Since the program space is limited, I want to delete the initial data writing program and store the data directly in FRAM. How to do it? [/backcolor]...
I'm so excited, the stuff I bought on tb finally arrived, I really thank eeworld for giving me this opportunity, the stuff is really good. The accelerometer sensor I'm going to use is adxl345, the gyr...
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[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]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[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]
1. Sensor
According to the national standard GB7665-87, a sensor is defined as a device that can sense the specified measured quantity and convert it into a usable output signal according to a...[Details]
0 Introduction
In microwave, radar, radio and television, and communication systems, the problem of coupling RF power is often encountered. A directional coupler is a directional power divide...[Details]
As the electromagnetic environment in space becomes increasingly complex, the shielded cables used to transmit weak signals in the test system are easily affected by external electromagnetic distur...[Details]
When programming in C and assembly, there are interface issues between variables and functions in C and assembly.
Variables defined in a C program are put into the .bss area after being compile...[Details]
In recent years, the rapid development of high-performance digital signal processing chip DSP (Digital Signal Process) technology has made it possible to realize real-time speech recognition. Amo...[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]
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]
1. Allowable temperature
When the transformer is running, its coil and core produce copper loss and iron loss, which are converted into heat energy, causing the temperature of the transfor...[Details]
1 Power Module Design
The power supply in this study is directly connected to the neutral and live wires, and converted through the lnk306 chip. The 13V voltage required by the control mod...[Details]
Timed AC power circuit with power supply of 0-1 hours
The AC power supply 555 with a power supply of 0~1 hour constitutes a timer within 1 hour. J is the coil impedance 212Ω IRC MR312...[Details]