(2) To complete KEMET part number (T215), insert graded failure rate: G for 1%/k hours, B for 0.1%/k hours, C for 0.01%/k hours, D for 0.001%/k hours or
the exponential rate letter. Designates reliability level.
(2) To complete KEMET part number (T215), insert graded failure rate: G for 1%/k hours, B for 0.1%/k hours, C for 0.01%/k hours, D for 0.001%/k hours or
the exponential rate letter. Designates reliability level.
[i=s] This post was last edited by chenbingjy on 2018-10-9 11:20 [/i]There are two USB ports, one with STLINK and one without STLINK. The one with STLINK works fine, but the one without STLINK does no...
MF RC500 is a member of a highly integrated reader IC family for contactless communication at 13.56MHz. This reader IC family utilizes advanced modulation and demodulation concepts and fully integrate...
[color=#000000] [font=微软雅黑][size=4]The long-awaited EEWORLD official bidding event is back. Sorry for the long wait :congratulate: This time I brought you four good books: [/color] [/size][/font][/col...
I am going to collapse. I am a beginner of STM32. My teacher asked me to make a wireless module communication used in a project. I want to use STM32F407 USART and DMA to send and receive data. The par...
Please help me find the cause of the code C2061 C2660 errors. I have been working on it for a long time and don’t know why it is wrong: //presetdlgs.h // int ReadHospitalInfo (const char *path, Hospit...
The development boards at home are almost moldy. I am going to take them out for National Day and sell most of them. The price is definitely lower than anyone else on Taobao, plus there are a lot of g...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
TMC428 is a stepper motor motion controller from TRINAMIC. It can reduce the workload of motor control software design and development costs. The 3-axis stepper motor drive control system based on ...[Details]