This chapter introduces the technical architecture used to support Internet of Things (IoT) applications and discusses some key IoT technologies and wireless protocols in detail.Gain insights into the...
EXTCLK is connected to 11.0592M crystal oscillator XIN is grounded CLKMD0 and CLKMD1 are both connected to high level. Timer0.Period = 0x1d4c0; Timer0.Counter = 0x1d4c0; Timer0.Control = 0x3f2; How lo...
I am now using msp430f169 to write programs.All functions are complete. Iam using LPM3 mode.When I power on and enter LPM3 mode, there is still 130ua current, which seems to be too high.I have disconn...
Activities currently being applied for1. Sipeed GW2A FPGA development board ( newly launched )
After being evaluated and praised by engineers in our forum, the domestic Gaoyun FPGA is coming again. Th...
Calling the IIC folder through the application layer in the BSP package does not work properly, so I have to switch to the bootloader layer to do temperature detection, but the interrupt cannot be tri...
I use MSP430F169, the data from the ADC pin grounding test is also more than 2000, and there is indeed voltage on the AD pin, I don't know what's going on, help please!!!...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]