Web2.0 has a promising profit prospect 2006-7-11China's top portal website recently officially entered the full "blogging" state. On May 17, Ding Lei announced at NetEase's financial report press conf...
This courier is too unreliable... One side of the socket was pressed to an angle, and several pins inside were broken. A corner of the other side was directly flattened. Note that it was flattened, bu...
[i=s]This post was last edited by cruelfox on 2017-10-6 16:29[/i] The PCBs I make for DIY are not very big, and they are mainly made of surface mount components, and are completely soldered by hand. W...
[i=s] This post was last edited by paulhyde on 2014-9-15 09:44 [/i] It consists of a single-chip RF transceiver chip nRF401, a microcontroller MSP430F1121, TLV320AIC10, which is a 16-bit A/D, D/A audi...
:) I recently found a development board of ALTERA FPGA, daleda AC2580_V3, in the company. The website address on the board is no longer available. Does anyone have the information about this board? Sc...
Problems encountered when using micropython: [url=https://bbs.eeworld.com.cn/forum.php?mod=viewthread&tid=487707&fromuid=536508][MicroPython] What to do if the main.py file is damaged[/url] DIY in pro...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]