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DS2417 is a real-time clock chip with interrupts and compatible with a one-line MicroLAN interface produced by DALLAS. Its serial communication rate reaches 16.3kbps, and the interrupt time interva...[Details]
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The Bluetooth SIG announced today that it is developing a specification that will allow wearable devices to join the existing smartphone exposure notification system (ENS). By extending the exposure ...[Details]
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On the afternoon of October 24, the Political Bureau of the CPC Central Committee held its 18th collective study on the current status and trends of blockchain technology development. General Secre...[Details]
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This article focuses on the two most common battery chemistries: Li-ion and NiMH. Through this discussion, a mixed-signal universal battery charger can be designed that can charge both types of bat...[Details]
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It contains data that refers to the process pointer of the interpreter. The variable contains data for the block that will be executed next in the interpreter. Depending on the specific interpreter...[Details]
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The real-time clock function is realized by using the real-time clock chip PCF8563. PCF8563 is a multifunctional clock/calendar chip with I2C bus and extremely low power consumption launched by PHI...[Details]
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my_buttons.c file: #include linux/fs.h #include linux/poll.h #include linux/irq.h #include linux/interrupt.h #include mach/regs-gpio.h #include mach/hardware.h #include linux/miscdevice.h ...[Details]
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South Korean securities firm NH Investment & Securities reported that the ongoing blockade in Xi'an, China and the fire at ASML's Berlin factory have affected semiconductor production. These events a...[Details]
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The power of household appliances, lights, etc. often needs to be turned on or off after different time delays. This power socket can meet these different needs.
? Working principle: The circuit ...[Details]
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On September 25, at the 2019 Yunqi Conference, Zhang Jianfeng, President of Alibaba Cloud Intelligence Business Group, released the MPU chip Hanguang 800... Last week, Pingtou Ge used product n...[Details]
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1. Reasons why the frequency of the inverter cannot be adjusted
1. Power supply problem: If the power supply voltage is too low or the power supply frequency is unstable, the inverter will fa...[Details]
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This article introduces the main features of AD5421, functional block diagram, HART modem connection diagram and application diagram.
The AD5421 is a complete, loop powered, digital to ...[Details]
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Digital multimeters are popular among radio enthusiasts because of their advantages such as accurate measurement, convenient value acquisition, and complete functions. The most common digital multimet...[Details]
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Laser power supply and start-up circuit
This circuit outputs a peak voltage of 10KV and limits the circuit to 7.5MA, 2KV. The resistor shown in the figure is a ballast resistor. When the startin...[Details]
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Thyristor soft start and voltage reduction principle is a technology that uses thyristors to achieve soft start and voltage reduction of motors or other loads. In this article, we will introduce th...[Details]