[i=s] This post was last edited by xqh123 on 2018-1-7 19:56 [/i] Figure 1 is the circuit diagram of NE555. Figure 2 shows that the upper waveform is the waveform of NE555 input, and the lower waveform...
Next, we will test this board. We will use some small demos to test it. Let's start with the simple ones.This board is equipped with a python module, so we can directly write some python programs for ...
[i=s]This post was last edited by sylar^z on 2019-8-17 22:07[/i]This high and low temperature alarm design is based on the F103 core board and the X-NUCLEO-IKS01A3 sensor development board. The wake-u...
sylar^zST Sensors & Low Power Wireless Technology Forum
The global PV inverter market will shrink from $6.3 billion in 2017 to $3.7 billion in 2022 due to falling prices, according to GlobalData.
Global PV Inverter Market Value to Shrink to $3.7 Bil...[Details]
The Sino-US trade war has already started. Trump's series of actions have had a negative impact on the global economy, such as increasing tariffs on Chinese companies and restricting domestic compa...[Details]
1. Principle 1. Infrared emission protocol There are many infrared communication protocols. This experiment uses the NEC protocol. This protocol uses PWM modulation and uses pulse width to represen...[Details]
In the actual project development process, hardware circuits often need to be modified, and the modified parts need to modify the driver. Thinking about the coming and going of such requirements is t...[Details]
I have read the source code of mbed these days, and the interface encapsulation for upper-level application calls is quite good. The code quality is relatively high, the comments are also very detai...[Details]
In simple terms, high-end chips solve many complex problems, mid-range chips solve a single complex problem, and low-end chips solve a simple problem. Let's learn more about the relevant content wi...[Details]
Today, under the guidance of a low-level expert, I learned how to configure the PWM module! Woof! First open the file configured last time, as follows: Then, we need to use TIM1 to set PWM: Then,...[Details]
Because the STM32 HAL library only has millisecond-level delay for HAl_Delay(), in order to achieve accurate microsecond-level delay, Systick has to be modified. However, since it is used internally ...[Details]
LAN8720 test code arrangement 1. Modified based on two projects, namely "Experiment 55 Network Communication Experiment" of Zhengdian Atom ATK and "STSW-STM32070" routine of ST official The hardware ...[Details]
Function List and Notes (lower-level driver part) 1. IO port initialization: control IO and communication IO. Control includes power control, reset and low power mode. Communication is the serial po...[Details]
Since the first draft of the 5G
NR standard was officially launched at
the end of 2017
, the
5G
commercialization process has taken a substantial step forward. From that moment on, mo...[Details]
From last year to now, competition in the photovoltaic inverter industry has become increasingly fierce. In addition to the introduction of new products, various marketing and promotion methods hav...[Details]
On April 18-19, 2018, at the "Second Distributed Photovoltaic Carnival" held in Hangzhou, Jinko Power and China New Energy Assets Investment, Financing and Trading Platform (hereinafter referred to as...[Details]
When designing a product, if the application environment's requirements for power isolation are not considered, the product will be unstable due to improper design, and even high voltage may damage t...[Details]
Analog electronics
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