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Introduction to SDIO 1. SDIO main functions and block diagram The SDIO controller of STM32F4 supports multimedia cards (MMC cards), SD memory cards, SD I/O cards, and CE-ATA devices. The main funct...[Details]
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Recently, we learned from Tianchayan that Chongqing Fudi Battery Research Institute Co., Ltd. was established on January 4, 2021. The legal representative is He Long. The registered capital is 100 m...[Details]
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The pins of various chips in the 8051 series are compatible with each other. 8051, 8751 and 8031 all use 40-pin dual-row direct current package. Of course, the pin functions of different ch...[Details]
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introduction
Imagine: in the scorching summer or the freezing winter, when you are on your way home tired after a long day of work, the air conditioner has been turned on and adjusted to a comforta...[Details]
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#include
#include macros.h
#define uchar unsigned char
#define uint unsigned int
void Delayms(uint MS);
void main(void)
{
DDRA = 0XFF;
PORT = 0XFF;
DDRC=0XFF; ...[Details]
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HSH8927 is a new dual-channel audio circuit from PHILIPS. It has an input mute function, no current impact sound when turning on/off, and overload short circuit protection, which is suitable for the H...[Details]
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Due to the epidemic, many engineer friends have not returned to work or are taking turns to rest. In this special period, how can we ensure the smooth progress of development work? How can we ensure ...[Details]
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Microgrid systems have been the focus of power technology development in countries around the world in recent years. The main benefits can be summarized into two aspects. First, since renewable energ...[Details]
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The simulation schematic diagram of the temperature-controlled fan is as follows: The actual picture of the produced temperature-controlled fan is as follows: The microcontroller source progr...[Details]
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Resistance Measurement - Ohmmeter Method Use an ohmmeter, the ohmmeter range in a multimeter, and a high resistance meter to directly measure resistance. Mechanical ohmmeters and multimeters are main...[Details]
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According to foreign media reports, Swiss measurement technology developer and supplier Kistler plans to showcase its latest KiTraffic digital dynamic weighing (WIM) system for the first time at the ...[Details]
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static void hex_to_str(uint8_t *source, uint32_t len, uint8_t *target) { uint8_t ddl, ddh; uint32_t i; for (i = 0; i len; i++) { ddh = ('0' + source / 16); ddl = ('...[Details]
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#define FUEL 0X23 //Oil sensor 2 fuel an8 00100011 #define TEMP 0x1f //Oil sensor 2 temperature an7 00011111 #define POWER 0X11 //Oil sensor 2 voltage an6 00011011 Related ports are initial...[Details]
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According to information shared by Mark Gurman of Bloomberg, foreign technology media 91Mobile shared a CAD rendering of the "Apple Watch Pro" this morning, in which a new programmable button was add...[Details]
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With sensors ranging in cost from $15 to $1, automakers wonder how many sensors are needed for a vehicle to be fully autonomous. These sensors are used to collect data about the surrounding environ...[Details]
MCU
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