PCF0805-R-1R15DT1

1. This design uses STC89C51/52 (compatible with AT89S51/52, AT89C51/52, optional) microcontroller as the main controller 2. Use Hall sensor to measure motor speed non-contact 3. LCD1602 liquid cryst...[Details]

During the COVID-19 pandemic, the global technology industry, including Silicon Valley giants in the United States, generally adopted a work-from-home model. As the epidemic in the United States and ...[Details]

Battery pack prone to spontaneous combustion? NIO recalls 4,803 ES8s   Nearly one-third of the first batch of delivered vehicles are involved. NIO promises to compensate all users for property losses...[Details]

Contract prices for DRAM for graphics display are expected to rise by more than 5% month-on-month, the highest increase among all memory products. As GPU and game console specifications improve, dem...[Details]

Since the invention of the laser by Theodore H Maiman 50 years ago, lasers have been widely used in various technical fields, such as communications, industrial production , as well as sensors, measur...[Details]

How to use a multimeter to test capacitors? Capacitors are one of the most commonly used electronic components. The appearance and circuit symbol of a capacitor are shown in Figure 10. The universal ...[Details]

The simplest case of using USART is to use only three wires: Tx is used for data transmission, Rx is used for data reception, and GND is the signal ground line, which provides a reference level for b...[Details]

When the watchdog timer overflows, a reset pulse with a duration of 1 CK cycle will be generated. At the falling edge of the pulse, the delay timer starts counting tTOUT. Please refer to P44 for the ...[Details]

Electromigration is a phenomenon in which metal atoms migrate and diffuse in a controlled manner along the direction of current flow (electron wind) when a high-density current flows through a conduc...[Details]

stm32 has two watchdogs, an independent watchdog and a window watchdog. In fact, their functions are similar, but the time limit for feeding the watchdog is different. The independent watchdog limit...[Details]

void  motor_ffw()   {     unsigned char i;           for (i=0; i 8; i++)            //One cycle rotates 30 degrees               {                   P1 = FFW &0x1f;  //Get data     //FFW is t...[Details]

Even if the quarterly numbers aren't that good, Apple's stock could still surge on earnings that aren't big enough to spook the market, CNBC analyst Jim Cramer said.   “I know it’s a big week for ear...[Details]

DC motors have been around for nearly 200 years, with a steady stream of improvements during that time. Recently, brushless DC motors have become more popular, but for many applications, brushed DC...[Details]

Single-phase motor control circuit Single-phase resistance starting motor reversible operation control circuit Single-phase motor main winding reactor speed control circuit ...[Details]

CAN bus (Controller Area Network) is a communication protocol used in the automotive and industrial automation fields. It has high reliability, real-time and flexibility, and is widely used in auto...[Details]