AR211A472D4R

    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]

STC MCU uses IAP technology to implement EEPROM function, which is more convenient to operate than external storage chips. There are 6 special function registers involved in STC MCU EEPROM operation,...[Details]

Implementation process:      1. Create a new project      2. Check the schematic diagram to determine which pin on the microcontroller corresponds to the LED pin required (flowing light)      3. Wr...[Details]

With the development of science and technology, more and more impossible things have become possible, and wireless charging of mobile phones has gradually become practical. At this stage, wireless ch...[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]

The previous key driving methods are all applications that obtain key values ​​by actively querying: 1. Query method 2. Interrupt mode 3. Poll mechanism ...[Details]

Common field fault phenomena of ultrasonic flowmeters include: abnormal flow rate display, drastic data changes; incorrect readings; the sensor is good, but the flow rate is low or no flow rate; the ...[Details]

As a backup power source, batteries have been widely used in computer networks, communications, electricity and other fields. The charge of the battery is closely related to the reliability of the en...[Details]

I am a beginner in AVR and don't have any specific practical topics. I disassembled a few small motors and learned a lot while playing with them. I hope this can help beginners.  This small DC motor ...[Details]

Port P0 will be used as the lower 8-bit address line and 8-bit data line of the bus Port P2 will be used as the high 8-bit address line of the bus If the hexadecimal number starts with one of the...[Details]

The metal surface treatment industry has complex production processes and highly sophisticated operational requirements, including electroplating, spraying, grinding and other processes to ensure tha...[Details]

When amateurs are debugging and repairing wireless walkie-talkies and wireless remote control toys, it is not easy to know whether the transmitter is working properly without a field strength meter. ...[Details]

    Errors are inevitable in any measurement process, and there is no such thing as an absolutely accurate measurement. That is to say, there must be a gap between the measurement report value and the...[Details]

There is a growing awareness of the benefits of rapid and timely treatment when a cardiac patient has a cardiac arrest. This has led to more public places and offices being equipped with AEDs. And in ...[Details]

The pulse width modulation (PWM) switching power supply only samples the output voltage and implements closed-loop control. This control method belongs to the voltage control type and is a single-loo...[Details]