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　　We must be patient with the unique program syntax of the 51 microcontroller and the basic operating process of the Keil software. 　　We mainly use C language to program microcontrollers, and some mi...[Details]

The circuit controls the washing machine by program selection switch, water level switch, washing selection switch, etc. FU is a fuse, CS is a drain solenoid valve, PL is an indicator light, IV is a ...[Details]

1 Overview The LM2575 series switching voltage stabilizing integrated circuit is a 1A integrated voltage stabilizing circuit produced by National Semiconductor. It integrates a fixed oscillator ins...[Details]

1. Impact of temperature on the performance and life of communication switching power supplies The main component of the communication switching power supply is the high-frequency switching rectifi...[Details]

Nowadays, the most popular  ADAS  applications are Forward Collision Warning (  FCW ) and Lane Departure Warning (  LDW ). The main function is to detect any objects, vehicles, or pedestrians that ma...[Details]

Background of the project   A domestic heavy-duty vehicle manufacturer, whose product range covers heavy-duty military off-road vehicles, heavy-duty trucks, heavy-duty axles and auto parts, has a mo...[Details]

1. Application Examples 1.1 System Function  Use STM8's USART for self-transmission and self-reception (short-connect the transmit pin RXD to the receive pin TXD), send data: 0, 1, 2... data, and...[Details]

    First, the purpose of purchasing instruments is to ensure the quality of the company's products based on the needs of the company's products. Therefore, the adaptability of the instruments to the ...[Details]

What is a small signal? A signal with a very small absolute amplitude is added to a DC signal. The signal has a very small variation range. The signal amplitude varies from time to time. The dynamic ...[Details]

Sensors are often used to measure parameters in industrial applications, but sensor signals are generally weak and not suitable for long-distance transmission. In addition, the nonlinear effect is not...[Details]

Autonomous driving is regarded as the "crown jewel" of automotive technology. The realization of fully autonomous driving will transform cars from pure mechanical products to "mobile third space". Th...[Details]

1, Ro-R15 and r0-r15 2, a1-a4 (parameter, result or temporary register, the same as r0-r3) 3, v1-v8 (variable register, the same as r4-r11) 4, sb and SB (static base register, the same as r9) 5, s...[Details]

Electric leakage in a car is a rather troublesome thing. The car will be difficult to start or even cannot start. Many friends do not know what electric leakage is. We can use a multimeter to measure...[Details]

From telephones, office equipment, speakers, digital photo frames, TV control buttons, remote controls, GPS systems, car keyless controls, to medical monitoring equipment, touch devices are everywhere...[Details]

In the first half of 2019, under the influence of factors such as Sino-US trade frictions, weakening market demand, and fierce competition, the gross profit margins of the three major domestic packag...[Details]