Founded in 1981, Guanxi Electronics is a professional manufacturer of relays and optocouplers. Its main business operations include the production and sales of the following four categories of products: reed relays, solid-state relays, optocouplers, and electric relays.
At the beginning of this post, I would like to thank EEWORLD and Digi-Key for the valuable opportunity and financial support. Without this opportunity, I don't think I would have started the developme...
MicroPython supports Servo drivers, which can be used directly, such as: from pyb import Servo s=Servo(1) s.angle(45) PYB Nano can also directly use Servos, but you need to upgrade the firmware of PYB...
I have been debugging a touch screen problem recently. Some ddsi functions can be executed and touch.dll can be called, but there is no response when I click on the touch screen. It seems that the int...
The overcurrent and overheating coordinated protection technology implemented by polymer positive temperature coefficient devices (PPTC) can protect motors, controllers and electronic components in...[Details]
Most
embedded
systems are powered from a 48V backplane. This voltage is typically stepped down to a lower intermediate bus voltage of 24V, 12V, or 5V to power the circuit board racks withi...[Details]
After being widely adopted in applications such as backlighting of portable products with small and medium-sized screens, light-emitting diodes (LEDs) have entered the field of general lighting in ...[Details]
Common light sources in the general lighting market include incandescent lamps, compact fluorescent lamps (CFL), linear fluorescent lamps, high-intensity discharge lamps (HID) and emerging high...[Details]
0 Introduction
As the global energy shortage problem becomes increasingly serious, renewable energy is being used more and more widely. In recent years, photovoltaic energy has been greatl...[Details]
1 Introduction
Reverse connection of the charger will damage the DS2726 lithium-ion (Li+) battery protector. Because some device pins are very sensitive to negative voltage, the device can...[Details]
Many power management application articles have introduced the advantages of using ZVS (zero voltage switching) technology to achieve lossless conversion. To achieve ZVT (zero voltage switching), p...[Details]
Since
the 1990s, with the miniaturization of electronic equipment and the development of surface assembly technology, electronic components have developed towards miniaturization, chip ty...[Details]
High-power LEDs have higher luminous efficiency and service life than fluorescent lamps. People should install a heat sink according to the actual usage. At present, the retail price of domestic 3W wh...[Details]
Ceramic materials are widely used in the insulation of electrical equipment due to their excellent insulation, heat resistance and stability. Due to the maturity of ceramic metallization technology, t...[Details]
introduction
Who is the undisputed leader in today's lighting market? LED lighting is the one that continues to carve out a larger and larger space in the lighting market. Compared with CFL (fluore...[Details]
High-power LEDs are going to become the mainstay of the lighting industry, and safe and efficient driving research is the key to promoting the application of high-power LEDs. With the continuous de...[Details]
In recent years, almost every March, the Central China region has been plagued by power shortages. This seasonal power shortage is not due to insufficient installed capacity, but to a shortage of powe...[Details]
The pulses of output current are evenly dispersed at the same time.
The PCB should be 4 layers or more, and the traces should be as short as possible.
Vled and VCC are separated in...[Details]
The physical design of the PCB board is the last step in the design of switching power supplies. If the design method is not appropriate, the PCB may radiate too much electromagnetic interference, ...[Details]