"CH1" folder: source files and schematics of "Real-time clock chip PCF8583 with RAM memory" in Chapter 1 of this book."CH2" folder: source files and schematics for "Serial I2C Real-Time Clock Chip DS1...
IDE: IAR FOR MSP430 5.4According to the definition in MSP430G2553.hDefinition 1:
#define DEFC(name, address) __no_init volatile unsigned char name @ address; #define DEFW(name, address) __no_init vola...
I want to use LM334 to make a constant current source circuit. Its SMD package is shown in the figure. There are four pins inside that are all V-. Do I need to connect all four pins together? Or can I...
In the hot summer, eating a few pieces of cool and sweet watermelon is a great enjoyment in life. However, the freshly bought watermelon often still has a bit of heat and the taste is not perfect. Wan...
The microcontroller-driven stepper motor circuit I designed requires 5V1.2V12V voltage. How can I manage the power supply? The power supply on the board is externally connected to 12V after being tran...
Are there any friends who are doing design and development in Hangzhou? If you are interested, you can do design together after work. If you are interested, please leave a message below...
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[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 invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[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]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
DigRF
is
poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices:
analog
signaling, and proprietary digital signaling (paralle...[Details]
Applying fieldbus technology on new beer production lines is the first choice for large beer companies with strong management level and technical strength. Guangzhou Zhujiang Beer Group Co., Ltd. i...[Details]
Fairchild's FAN6208 is a synchronous rectification (SR) controller for isolated LLC or LC resonant converters that can drive two individual SR MOSFETs emulating the behavior of rectifier diodes. FAN62...[Details]