[i=s] This post was last edited by 158999437 on 2015-5-1 14:59 [/i] The board is also completed, hope to share with you! DC: 0~100V AC: 0~100V DC: 0~1a AC: 0~1a Resistance and current are made by 555 ...
Basic EquipmentModel2602 Dual Channel SourceMeter System (for laser diode bias voltage output and photocurrent testing in a single chassis)2510-AT TEC Source Meter (Laser Diode Temperature Control)250...
Abstract
Optical communication applications often need to boost the +3.3V input power supply to obtain a set of positive and negative voltages, such as +/-20V. The common practice is to use two chips ...
[i=s]This post was last edited by anananjjj on 2014-5-20 15:45[/i] My joystick uses ADC sampling, and the built-in resistive screen uses ADC. I don't know why, it suddenly doesn't work properly! So I ...
In order to prevent traffic accidents, when the intelligent detection device of the car detects danger ahead, it must send a warning message to the driver. The voice alarm clearly reminds the drive...[Details]
TD-SCDMA (Time Division Synchronous Code Division Multiple Access) is one of the three major standards for the third generation of mobile communications. It is a communication standard with indepen...[Details]
This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices to achiev...[Details]
Radio Frequency Identification (RFID) technology is a non-contact automatic identification technology that uses wireless radio frequency communication. Compared with the currently widely used barco...[Details]
The circuit shown in the figure is a three-digit tachometer used to measure low frequency signals with a repetitive time interval of 0.235 to 15 seconds. The tachometer has a speed range of 4 to 255 r...[Details]
Digital signal processors have efficient numerical computing capabilities and can provide a good development environment, while programmable logic devices have highly flexible configurability. This...[Details]
Overview
Bioelectric signals are very weak, and there is strong interference when detecting them. Therefore, there are many technical difficulties in designing high-quality bioelectric ampli...[Details]
As the application scope of medical equipment expands from hospitals to emergency response and home medical environments, its mobility will be determined by many factors. In addition, medical equip...[Details]
With the development of automatic control technology, the application of precision air pressure generation and control technology is becoming more and more extensive. However, the traditional valve...[Details]
Safety is the top priority in the production process, especially for dangerous operations. When the high-voltage line is shut down for maintenance, it is necessary to follow the regulations of powe...[Details]
0 Introduction
Metal halide lamp (MHL) as a green lighting source has been widely used in the field of indoor and outdoor lighting. However, when using this green lighting source, the matc...[Details]
In electronic measurement technology, frequency measurement is one of the most basic measurements. The commonly used frequency measurement method and period measurement method have great limitation...[Details]
introduction
Taking care of babies is very tiring because they wake up and sleep frequently, and activities such as feeding and changing clothes will take up a lot of adults' time and energy. ...[Details]
There are many ways to attenuate signals. The most commonly used method is to divide the voltage using resistors. The common circuits are as follows:
Oscilloscope pre-stage attenuation c...[Details]
RF/Wirelessly
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