Shenzhen Changjiang Connector Co., Ltd. is a world-leading professional connector manufacturer with 20 years of experience. Its products mainly include wire-to-board connectors, board-to-board connectors, wire-to-wire connectors, wire harness processing and connector design, mold development and manufacturing. It is compatible with international brand connectors from Europe, the United States, Japan, South Korea and other countries.
[i=s]This post was last edited by dcexpert on 2019-8-4 17:25[/i]CircuitPython 4.1.0 is now available! The biggest feature of 4.1.0 is speed! Python generally executes 2-5 times faster, and the display...
[i=s]This post was last edited by X_s_yu on 2019-7-4 22:57[/i] In the first industrial revolution, the direct power of machines was steam; in the second industrial revolution, the direct power of mach...
The pyEC is a multi-purpose board that is compatible with pyBoard and is able to talk to anything on your e-bike. In fact, it is more of a general purpose board that is capable of a ton of digital ele...
1. E53_ST1 expansion board and its driverabout E53 standard interfaceThe E in the E53 interface standard is taken from the first letter of the English word "Expansion". The size of the board is 5×3cm,...
NiMH batteries also have a memory effect, but it is not as obvious as NiCd batteries. Lithium batteries have the least obvious memory effect. The lack of obvious memory effect means that they can be c...
ACPI is a more advanced and effective power management mode than APM. Using ACPI mode can save more power. What does this mean? The temperature of the CPUs that are "overclocked" by enthusiasts will b...
1 QSPI Working Principle
The structure of the QSPI module is shown in Figure 1. Compared with SPI, the biggest feature of the QSPI structure is that the SPI transmit and receive data regis...[Details]
The trend of involution in the automobile market in 2023 has never stopped from beginning to end, and in the new energy market, it is not only about price, but also about strength. With the dev...[Details]
Fiber Bragg grating sensors have wavelength encoding characteristics and are not affected by light source power fluctuations and system losses. Therefore, they have been widely used in the field of se...[Details]
UID: unique id is different from the Device ID of the microcontroller (distinguishing whether it is a stm32f103 or stm32f030 microcontroller)
The stm32f103 series microcontrollers all have UID, 96 bi...[Details]
0 Introduction
Since the advent of the world's first GaN-based blue LED in 1993, the development of LED manufacturing technology has been remarkable. Currently, all commercialized GaN-base...[Details]
Contents The invention relates to the technical field of downhole production testing used in oil exploitation, in particular to a downhole vortex flowmeter for supercritical carbon dioxide with a sma...[Details]
DLP projection equipment has undergone nearly 20 years of development, and has gradually been severely impacted by LCD products in recent years. In order to cope with changes in the market environ...[Details]
On the night of the 1024 Coder Carnival, iFlytek made a series of important announcements: Spark V3.0, which is comparable to ChatGPT, another Chinese humanoid
robot
, and the entry of AI i...[Details]
In the past month, I have been working on my graduation project - a portable digital oscilloscope. It is currently powered by two lithium batteries with a voltage of 7.2~8.4V. However, the op amp in ...[Details]
The characteristic of switching power supplies is that they generate strong electromagnetic noise, which will cause great interference if not strictly controlled. The following techniques can help ...[Details]
When programming in CTC mode, the steps to be performed are as follows:
1. Set PD4~PD5 to output (default is low level). DDRD|=BIT(4)|BIT(5);
2. Determine the comparison output mode. In the exper...[Details]
This project is able to control the speaker behavior. When a 3.5mm audio is plugged in, it disconnects the internal speaker.
background
The $30 Echo Dot is a music streaming player that h...[Details]
IO port operation is the most basic and important knowledge in MCU practice. This article spends a long time to introduce the principle of IO port. I also consulted a lot of information to ensure that...[Details]
When you turn on a laptop or smartphone, you expect to wait a while for it to start up, but when you start a car, you are less patient. When it comes to cars, consumers expect to be able to use compu...[Details]
Soft start and star-delta start are two common motor starting methods. They have certain differences in starting current, starting torque, starting time, etc.
Soft Start
Soft st...[Details]
MicroPython Open Source section
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