Programmer Think

Windows 10 20H2 HLK-W806-V1.0-KIT WM_SDK_W806_v0.6.0 From W806 MCU chip specification V2.0 and WM_W800_register manual V2.1 DMA controller It supports up to 8 channels and 16 DMA request sources, and supports linked list structure and register control. Amba2.0 standard bus interface, 8 DMA channels Support DMA operation based on me ...

Chapter IV statement analysis Product prototype address: https://app.mockplus.cn/run/prototype/wDiGCuki3_/iLu4KtCQ8ew/1Bv0BoAUyv 1. Equipment status statistics 1.1 demand analysis In the system, the percentage distribution of equipment in different states shall be displayed in the form of pie chart on the home page. The specific effect is ...

Test pm (sleep management) function with 724 development board brief introduction When using the module, we often pay attention to the power consumption of the module. This example teaches you how to use the 724 development board to test the sleep management function of the module stores reserve EVB_Air724UG_A13 A set of development boa ...

Chapter 1 Analysis and design of controllable system Learning objectives Understand the application field and development status of the Internet of thingsBe able to describe controllable core functionsBe able to draw a controllable system architectureBe able to complete the preparation of the controllable environment and understand the contro ...

LPC2000 series - LPC2124 (timer, external interrupt) realizes running light (running light) Jiangnan University 18 Internet of things embedded curriculum, this curriculum is a reference This blog post (also written by a senior student of Jiangda), I improved and fixed some bug s on this basis. [note] don't copy everything completely. Eve ...

Introduction to infrared The visible light that can be seen by human eyes is arranged according to the wavelength from long to short, which is red (660nm), orange (610nm), yellow (585nm), green (555nm), green (500nm), blue (460nm) and violet (405nm). Light shorter than the wavelength of violet light is called ultraviolet, and light longer than ...

brief introduction When writing an application, it is more comfortable to use some GUI tools to create an information model. Most tools can export data according to OPC UA Nodeset XML schema. open62541 includes a python based nodeset compiler, which can transform these information model definitions into a working server. Note that you can ...

Harmony OS device development and learning record (VII) -- sensing ambient light through photoresist Based on hispark wifi suite, harmony os 2.0 full code is adopted Note: this example shows the adc usage of photoresist, which is the same as that of human infrared sensor. 1, See the schematic diagram to determine the hardware circuit This e ...

1, Brief introduction of theoretical knowledge 1. Serial communication protocol and RS-232 standard (1) Brief description of serial communication protocol Serial communication refers to sending and receiving bytes by bit. Although the serial communication of bits and bytes is slow, the serial port can use one line to send data and anothe ...

Self use ~ do not spray 4.1.1 overview of network layer functions *Overview of network layer functions The packet is transmitted from the source end to the destination end to provide communication services for different hosts in the packet switching network *Network layer functions 1.Routing and forwarding 2.Heterogeneous network int ...