[i=s]This post was last edited by Yizuofenji at 2022-1-24 13:00[/i]1. Introduction
In the first post, we described the process of building a BLE environment and burning the official Demo directly into...
High-frequency clockBased on an external crystal, the internal crystal oscillator of ESP8266EX can generate the RF clock. This clock can be used to drive the TX and RX mixers. The crystal frequency is...
[i=s]This post was last edited by ienglgge on 2018-12-8 11:35[/i] When compiling the iar project, Fatal Error[Pe1696]: cannot open source file "stm8s.h" appears. The corresponding file has been added....
Due to time constraints, although it has not been completed yet and has not been done very well, I will write a summary here first and continue to improve it later! Experience of using NXP Rapid IoT: ...
Continuing from the previous article, let’s first explain why the “resonance” phenomenon occurs, as shown in the following figure: If the duty cycle of A1 is 25%, the duty cycle of B2 is 10%, and t...[Details]
Tesla CEO Elon Musk said that there are still many details to be resolved in the Model S Plaid version, but the final product will be excellent. Model S Plaid is a high-performance version of the car...[Details]
Chip History - Take a panoramic view of the development of the semiconductor industry at home and abroad, explore interesting anecdotes in the industry, learn from the past and explore the future dev...[Details]
The China Academy of Information and Communications Technology (also known as CCID) released the "China Home Appliance Market Report for the First Half of 2021" (hereinafter referred to as the "Repor...[Details]
In the past year, the smartphone market has seen many new changes. On the hardware side, major mobile phone manufacturers are competing for the mobile phone market vacated by Huawei. Some manufacture...[Details]
Written in front: "Signal" can be simply understood as a semaphore (used for triggering by triggering). If a signal is passed from task 1 to task 2, then task 2 will receive this signal and continu...[Details]
On December 12, the State Grid Ningxia Electric Power Co., Ltd. Yinchuan Urban Energy Internet Comprehensive Demonstration Project - the 110 kV Fengdeng Substation "multi-station integration" proje...[Details]
As the link between the Internet, Internet of Vehicles and Internet of Things, the car smart rearview mirror closely combines the three, bringing more safety, entertainment and intelligent applica...[Details]
Light-emitting diodes are current-controlled components that directly convert electrical energy into light energy through the current flowing through them, so they are also called photoelectric conve...[Details]
If the CPU is the powerful heart of the computer, then the power supply is its energy center. The power supply is not valued by users in PC computers, but it is this often overlooked product that pro...[Details]
The circuit is very simple, so I won't draw it. It is made of STC series microcontroller. The display part is two 74hc573 chips connected to P1 port, and then use P3.0 to control the segment selection...[Details]
Instructions for use: After powering on, it needs to be preheated for a period of time. At this time, the LCD displays Loading... (the preheating process is changed to the voltage rising first and th...[Details]
/*Don't talk nonsense*/ /*Test the compare match function of AVR timer 0*/ #include iom16v.h #define uchar unsigned char #define uint unsigned int #define set_bit(a,b) a|=(1 b) #define clr_bit(a,b...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[Details]
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