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.
I removed a control board with three-digit digital tubes and three buttons from an old money counter. The control chip on the board is TM1628. I plan to transform it into a smart car. The three-digit ...
[If you don't understand, ask] As the title says, in order to prevent jitter interference at the signal input near the threshold voltage, a positive feedback is added to form a hysteresis comparator t...
[i=s]This post was last edited by weepee on 2018-11-7 15:23[/i] The literature says that the 0.1C charge and discharge are drawn separately. 0.1C discharge is easy to say, but charging is divided into...
[i=s]This post was last edited by ddllxxrr on 2021-1-25 20:12[/i]Unboxing first:I got the impression that the courier had lost the big board. But I looked through my packaging and there wasn't any hol...
[i=s] This post was last edited by bqgup on 2020-8-19 18:40[/i] # Why does the newly welded STM32 main control board run about 10 times slower than the normal speed after burning the program## 1. Desc...
At present, the LCD screen backlight of portable
electronic
products is mainly based on white LED. The brightness of white LED is proportional to
the current
. AP3036 provides a s...[Details]
On April 26-27, Huawei held its Analyst Conference in Shenzhen. Huawei's rotating chairman Hu Houkun said: "This year, our entire company's business policy is indeed centered around 'keeping the co...[Details]
Flowmeter is an indispensable instrument for measuring the flow of liquid and gas. I believe everyone has seen many different types of flowmeters. The correct installation method is very important ...[Details]
In the basic theory of transistor amplifiers, it has been discussed that DC negative feedback can stabilize the static operating point and make the amplifier work stably in the linear region. In addi...[Details]
When designing the overall application system, software design and hardware design should be considered and combined. When the circuit design of the system is finalized, the task of the software is...[Details]
Smaller and more efficient power converters have been the direction of development for the past few decades and this trend will continue. This is achieved by using new topologies, new materials and n...[Details]
A lightweight, noise-free, inexpensive, three-phase, 60-Hz sine-wave voltage generator can be developed and implemented using the circuit in this Design Idea. Although targeted as a circuit for tes...[Details]
Relying on the flexible inter-task communication capability of μC/OS Ⅱ, the message mailbox Mbox is used to transmit the printing data from the data generation task to the printing task. Among diff...[Details]
According to official news from Xiaomi after-sales service, the Peace of Mind Service Month event will be launched in March, the service will be upgraded from March 11th to March 17th, and a batt...[Details]
BKP is the abbreviation of "BACKUP". The stm32f103RCTE is equipped with 10 16-bit BKP registers. When the main power is cut off or the system generates a reset time, the BKP register can still maintai...[Details]
As the market is rushing to buy, as a consumer, you still need to be calm and scientific when choosing LEDs, and choose the light sources and lamps with the best cost performance. The following i...[Details]
I recently did a project related to AD, and needed to collect two AD signals separately. The specific steps are as follows: 1. Select the reference power supply 2. Select the acquisition channel 3. S...[Details]
SNJ08L152 is an automotive grade SOC that supports high-precision ADC measurement. It is based on the 8051 core and supports up to 12MHz system clock. It has rich storage resources, peripheral resour...[Details]
As countries around the world accelerate their pace towards net zero emissions, people need to face the intermittent and volatile nature of renewable energy. Long-term energy storage technology that c...[Details]
The PT100 temperature sensor is a temperature measurement device widely used in the industrial field. Its working principle is based on the characteristics of platinum resistance changing with temp...[Details]