Shenzhen Sunlord Electronics is engaged in the development, manufacture and sales of various types of chip electronic components. Its products include magnetic devices, microwave devices, sensitive devices and precision ceramics, which are widely used in communications, consumer electronics, computers, automotive electronics, new energy, network communications and industrial electronics.
Sunlord adheres to the business philosophy of "complying with standards, technological innovation, continuous improvement, and providing excellent products and perfect services to global customers". With its advanced management system, strong development capabilities, excellent product quality and perfect services, Sunlord has become an electronic component supplier for many well-known domestic companies.
I wrote a 1602+1302 program. When debugging, the first letter cannot be displayed. For example, if I want to write TIME, it will only display IME. If I write write_com (write command) in the middle, a...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:02[/i] [size=3]Impedance matching is a part of microwave electronics. It is mainly used on transmission lines to achieve the purpose of all h...
Newbie help: How to use 5438A to communicate with LCD LM6029ACW and font library GT20L16S1Y via SPI. [[i] This post was last edited by 15004148227 on 2013-9-29 16:46 [/i]]...
1. Can the DC voltage range of a digital multimeter measure the AC component? 2. Can the AC voltage range of a digital multimeter measure the DC component?...
After setting IntEnable(INT_GPIOD); //enable GPIO D interrupt, the content in my while cannot run. There is no problem after deleting this sentence ~ but I cannot use the interrupt after deleting it. ...
How to Test Semiconductor Diodes Cleverly
The diode test shown in the figure is simple and easy to perform, and the test is convenient and fast.
In the figure, T is a...[Details]
How to cleverly measure the power consumption current
of electronic watches The power consumption current of electronic watches is an important quality indicator of electronic watc...[Details]
Introduce several methods of implementing I/V conversion:
Voltage Divider
Method
Using the voltage divider circuit shown in Figure 1, current is passed into the resistor. The v...[Details]
One diode makes fluorescent lamps start quickly at low temperatures
Ordinary fluorescent lamps are difficult to start at voltages of 200-170V or in winter. If a diode is added to the flu...[Details]
introduction
The current active power filter usually adopts the harmonic current detection method based on the instantaneous reactive power theory. The IP-IQ algorithm requires the use of a sine-co...[Details]
With the rapid development of electronic technology, digital engineers use signals with higher bit rates than ever before for data transmission and device communication. At the same time, RF e...[Details]
When selecting an oscilloscope for a measurement need, one of the first things we consider is how much bandwidth we need to accurately reconstruct our signal. After all, the bandwidth of an oscil...[Details]
The inductance is calculated as follows: Coil formula
Impedance (ohm) = 2 * 3.14159 * F (operating frequency) * Inductance (mH), set to use 360ohm impedance, therefore:
Inductance (mH) = ...[Details]
Design of frequency measurement system based on AT90S8515
Frequency generation circuit composed of HS1101;
AT90S8515 frequency measurement;
Using serial communication ...[Details]
【Abstract】This paper introduces the image restoration and geometric parameter measurement of moving objects on conveyor belts by image processing methods, and applies them to the online curvature...[Details]
This article introduces some common field test schemes and field test purposes of digital TV systems. Its working scope includes receiving, demodulating and restoring transmitted data. Digital TV test...[Details]
The working principle of the circuit of this network automatic tester is shown in the figure below. Use 555 circuit to make a symmetrical square wave oscillator with frequency f=1Hz, connect IC1 pin ③...[Details]
This paper uses MSC1210 as the core of measurement, signal processing and communication, and designs a high-precision temperature acquisition system module. The system's measurement channels are easy ...[Details]
The infrared emission part is generated by the 555 time base circuit with a frequency of 5kHz and a duty cycle of 50%, which drives the infrared emission tube to emit infrared rays.
When the ha...[Details]
Embedded System
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