I want to share this with you. I have posted it in the MCU section before. Friends who have downloaded it don't need to download it again. It is the same. Friends who haven't downloaded it can downloa...
Is level conversion required when MSP430F5438 communicates with Huawei MG323? When the MCU voltage is 3.3V and the MG323 voltage is 3.8V, is the SP3223E level conversion chip still needed? The MG323 m...
USRP is still very interesting, but may be a little sensitive, so please search on Baidu. There are pcb files for USRP in the gnuRADIO project, but they basically cannot be opened. If you open them wi...
[b]1. Grasp the 51 and develop ARM[/b] In the past few months, I have been struggling with the 51 problem. I am a little bit amused at myself. It took me 4 months to consolidate the principles and pro...
I use a function of rfbasic to modify the transmit power of cc2530, but I want to find a way to test whether the modified power has changed. However, the current only has a pulse at the moment of send...
Recently I found that many friends are looking for DDS chip AD98** series program debugging, and I have debugged this type of chip before.
I mainly work on AD9833. I put my program here for your refer...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]