When using msp430afe253 to debug a serial port program, the program is as follows: DCOCTL = DCO0+DCO1; BCSCTL1 = RSEL2+RSEL1+RSEL0; // Configure the clock, the main clock is 1MHz // BCSCTL2 = 0x00;; /...
I finally compiled a zImage of linux2.6.18, and downloaded it to SDRAM using uboot's tftp 0x30008000. Then, a problem occurred, as follows: JX2410 # go 0x30008000 ## Starting application at 0x30008000...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:57[/i] :) I recently looked up some smart card readers and learned about several highly integrated card reader ICs from NXP for contact...
Classic lighting routine, download the firmware package SDK_2.2_FRDM-KW41Z, unzip and find the routine SDK_2.2_FRDM-KW41Z\boards\frdmkw41z\driver_examples\gpio\led_outputThere are many supported IDEs,...
I removed a control board with three-digit digital tubes and three buttons from an old money counter. The control chip on the board is TM1628. I plan to transform it into a smart car. The three-digit ...
[If you don't understand, ask] As the title says, in order to prevent jitter interference at the signal input near the threshold voltage, a positive feedback is added to form a hysteresis comparator t...
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]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[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]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[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]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
My colleague and I spent the day chatting in the hotel bar. We had met with several customers. We were both wondering how come these engineers we were meeting knew almost nothing about analog techn...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
In the analysis of electronic circuits, static analysis (also known as DC analysis) is the basis of circuit analysis. However, it is well known that electronic components are nonlinear, so the anal...[Details]