The finalists will receive a 300 yuan design fund, and the excellent proposals will also receive laptops, mobile phones and mobile hard drives! ! ! The "ADI Laboratory Circuit DIY Competition" has beg...
I looked up the functions of 74ls04 and 74ls139 on the Internet and found that 04 is an inverter and 139 is a dual 2-4 line decoder . How do I apply them specifically?...
[align=left][font=微软雅黑, sans-serif][color=#2e8b57]The new MLX90632 surface mount device is a disruptive infrared temperature sensing solution with excellent thermal stability for a variety of applicat...
I am currently studying the SD card protocol. I don't quite understand the RCA in the Response of CMD3. I don't know what its specific function is and how it relates to the logical address and physica...
I'm using MFC programming recently. I use a regular timer to receive serial port data regularly, but when I click other buttons in the interface, the received serial port data is lost. Can I set the p...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[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
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[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]
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]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
Button cells (also called button cells) are those batteries with equal or larger diameter and height. The current size range of alkaline button cells is specified as follows: diameter 4.8mm-11.4mm,...[Details]