We often encounter audio signal acquisition and processing in our projects. Today we will make a simplest audio acquisition module. Its circuit is actually a part of the triode amplifier circuit in our last class. ...
I find that the need to measure power supply ripple is becoming more and more common, not just for power engineers. Ripple is the core indicator of power supply, so power engineers naturally need to pay attention to ripple at all times. ...
![LOTO Practice [Dry Goods] 4 Unexpected Interference of Infrared Sensors osc802](http://6.eewimg.cn/news/uploadfile/2022/0408/20220408100949942.png)
The last project I wrote was about the falling object monitoring function. Due to the change in the distance of the on-site installation, the waveform amplitude became smaller, so I had to use a voltage comparator on site to solve it. ...
![LOTO Practice [Dry Goods] 2- Quick Application of Voltage Comparator](http://6.eewimg.cn/news/uploadfile/2022/0408/20220408100715971.png)
Without further ado, here are the pictures: I recently went on a business trip to a client to debug equipment. The scene was as shown above. The technical part I was responsible for included a function for detecting falling objects. The principle of the hardware is relatively simple. ...
I am working on a motion control card project recently. During the debugging of the prototype, I need to verify the correctness of the CAN bus communication function. In the past, I only knew the CAN bus in theory, and the CANbus communication card I used was also ...
In the process of developing electronic products, electromagnetic interference (EMI) may cause many problems, such as large noise on analog circuits, garbled communication, irregular chip operation, etc. ...
In order to compare the difference between the C20A probe and the AC20A inductive probe, I connected a different current probe to each channel in this demonstration. Channel B was connected to a C20A current probe, and channel A was connected to a ...
Most of our models are hardware triggered, only the 482 series is software triggered. The advantage of hardware triggering is that it is guaranteed by the hardware chip. The burst signal is not periodic, but burst. ...
This article explains that the vertical resolution (ADC) of the host computer of the LOTO oscilloscope can be from 8 bits to 13 bits, but its hardware is an 8-bit ADC, so how can the vertical resolution reach 13 bits? ...
The default cursor of any model of LOTO host computer software is orange. When we put it on any point, it will display your horizontal and vertical coordinates. ...
This article summarizes the various functions of the LOTO oscilloscope host software and the parts related to file storage and reading into a column. The first part is to save the configuration or read the configuration, that is, the file ...
Some customers may have strict requirements and very high precision requirements, or after buying the oscilloscope, it has been stored for a long time, or the temperature has changed between hot and cold temperatures. ...
The measurement value statistical curve function is to draw the historical change trend of the automatic measurement value, including frequency, period, maximum value, minimum value, peak-to-peak value, average value, duty cycle, positive pulse width, negative pulse width, etc. ...
Before that, let's first understand bandpass filtering and bandstop filtering. We all know that each signal is a linear superposition of sine waves of different frequencies and amplitudes. In order to observe this phenomenon directly, ...
This article introduces how to use the LOTO oscilloscope + logic analyzer module and how to set the corresponding functions in the host computer software. First of all, when buying an oscilloscope, you must buy one with a logic analyzer module. ...
This article introduces how to use the LOTO oscilloscope + signal generator module to operate, and how to set the corresponding functions of the host computer software, select the waveform output type, set the frequency, and adjust the amplitude. ...
The PC cache function can facilitate users to browse historical cache images, observe the changing trend of historical graphics, and analyze images. Using the host computer software of the LOTO oscilloscope, we see the interface as shown below ...
Today we will demonstrate how to decode the serial port using a LOTO oscilloscope. We use a USB-to-serial device to generate serial port data and demonstrate it using an OSCA02 LOTO oscilloscope. ...
This article demonstrates the test of I²C communication decoding. We will use this device to control the sending of data by I²C, and then communicate with an I²C chip at the same time using an oscilloscope. We use A02 ...
Here I introduce the new feature added in October 2020. That is, users can define and add their own probes. This feature has been added to almost all models of our oscilloscopes. This is a custom probe for two channels. ...
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