It passed the second round of review on June 15th, and I hurriedly placed an order, and finally received it today. So show it:
1. Unboxing2. Front and back of the development board
3. The most critica...
Recently, I saw an article by QORVO mentioning that there are two mainstream ways to implement 3D Touch. The first is the "capacitive touch + force sensor" mode. In this mode, capacitive touch is resp...
GD32 got to know each other because of testing. GD32E503V-EVAL development board, core chip GD32E503VET6 (hereinafter referred to as GD32E5 ). GD32E5 is a chip developed in China, with a relatively ne...
The biggest gain in 2021 is definitely that I have become a father. Although it is hard and tiring to take care of a baby all day and I can't tell the difference between day and night, having a cute b...
A colorful mini music box based on the STC89C52 microcontroller. Based on the minimum system of the microcontroller, the other two I/O ports are connected to hardware circuits. P1.0 is connected to...[Details]
The conductivity meter is a multi-range instrument that can meet the testing requirements of various applications from deionized water to seawater. This instrument can provide automatic temperature c...[Details]
With the NEX890microATX industrial motherboard embedded computer, you will enjoy high-quality and high-definition video and fast data throughput. NEX890 supports the second generation Intel® Core™ ...[Details]
On April 1, it was reported that Shenzhen Royole Technology Co., Ltd. and its subsidiaries Shenzhen Royole Electronic Technology Co., Ltd. and Shenzhen Royole Display Technology Co., Ltd. each had ...[Details]
12V-220V 200W voltage regulated inverter power supply circuit
The existing dual 12V-200W power transformer can be used, but the inverter efficiency is not high
...[Details]
I have used STM8 before and will use STM32 later. When I was doing a small project, I thought STM8 also had a library and it should be very convenient, so I chose it directly. As a result, I was very...[Details]
The power of the motor should be selected according to the power required by the production machinery, and the motor should be operated under the rated load as much as possible. The following two p...[Details]
In recent years, sodium-ion batteries have attracted much attention due to the abundance of sodium and the low cost of such batteries. Electrodes with high Na+ storage capacity and cycling stability ...[Details]
PDF-3000 DC system ground fault tester is also called DC ground fault tester, DC ground fault detector, DC ground fault detection device and DC ground fault finder. PDF-3000 DC system ground fault te...[Details]
The Railway Research Institute is already conducting tests using a test device equipped with a flywheel weighing about 50kg. In the future, it is planned to develop a large-scale device with a flyw...[Details]
This paper introduces the functional principle of variable structure control system of oil pumping motor inverter, how to use the multi-tasking function of uC/OS-II to realize the algorithm structure ...[Details]
The eye diagram is a series of digital signals accumulated and displayed on an oscilloscope. It contains a wealth of information. The influence of inter-symbol crosstalk and noise can be observed fro...[Details]
The unipolar drive circuit uses four transistors to drive the two phases of the stepper motor. The motor structure includes two sets of coils with center taps as shown in Figure 1. The entire moto...[Details]
Compared with Sony's mobile phone department, Sony's camera department has performed very well in the past decade: 8 years ago, Sony pioneered the full-frame mirrorless camera with the full-frame non...[Details]
Instruments used in industry , after a certain period of use, will meet product aging, aging tests and environmental tests, which can detect a potential failure of the instrument early, prepare s...[Details]