1. Introduction
Since the launch of the BLE Bluetooth mesh protocol stack, it has been attracting the attention of many developers. However, the application ecosystem is very scarce now, so the source...
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Start your design with the industry's first single-chip microcontroller unit (MCU) with built-in Wi-Fi connectivity. The SimpleLink CC3200 device for Internet of Things (IoT) applications is a wireles...
Isn't the diode cut off when it is in reverse direction, equivalent to disconnected? Why is there voltage? When the diode is in forward and reverse direction, the voltage measured at 5V is almost the ...
Recently, the school required us to make a device for collecting ECG. When making a low-pass filter, we calculated through the formula that the cut-off frequency should be around 250HZ using 0.047uF a...
The schematic is as follows
The output voltage should be 5.18V.
But the actual output voltage is 9.7V.The output is connected to two LDOs to convert to 3.3VIf both are not disconnected, it will not be...
Autonomous driving technology is inseparable from the 3D information of the surrounding environment obtained by LiDAR, but have you heard of "4D LiDAR"? For driverless cars, in addition to the 3D inf...[Details]
MEMS chips can obtain functions that some macroscopic electromechanical devices cannot achieve. Typical MEMS chips contain microsensors, microregulators, and intelligent electronic control circuits. M...[Details]
Lu Weibing, general manager of the Redmi brand, announced a good news last night that Redmi K30 Pro can try Android 11 Beta 1. It is reported that Android 11 Beta 1 focuses on three themes: people-...[Details]
The standard C language defines 32 keywords, as shown in the following table (32 keywords of ANSI C): C51 has expanded the functions of the microcontroller on this basis. For details, see the fol...[Details]
Recently, an investor asked Han's Laser on the investor interaction platform: Which companies have purchased discrete devices as customers? On May 27, Han's Laser stated on its investor interaction p...[Details]
1 Introduction Power transformers are electrical equipment that transmit and distribute electric energy by converting voltage. The transformer winding polarity and transformer transformation ratio te...[Details]
0 Introduction Digitally controlled DC regulated power supply is one of the commonly used devices in electronic technology. Most of the devices currently used are used to adjust the voltage value th...[Details]
Nordic Semiconductor CEO Svenn-Tore Larsen recently spoke to EETasia about how the company responded to the challenges of the past year. He also mentioned the outlook for 2022, including new trends a...[Details]
1. Common faults of voltage transformer For voltage transformers , the most common fault is that the core through-bolts are suspended in potential and discharged during operation due to unreasonabl...[Details]
Recently, at the "New Fortune, New Momentum, New Vision 2022 New Energy Vehicle Industry Chain Investment Annual Conference" guided by the China Association of Automobile Manufacturers and the Pe...[Details]
Mega16 has built-in power-on reset design. And in the fuse position, the extra time during reset can be controlled, so the reset circuit outside the AVR can be designed very simply when powered on: j...[Details]
Figure 1. 90000-X Oscilloscope Capture Board Figure 1 is the capture board of the 90000-X oscilloscope. The 90000-X oscilloscope uses indium phosphide technology, with a hardware bandwidth ...[Details]
On June 8, Apple held the WWDC21 developer conference and released a new generation of operating systems including iOS 15, iPadOS 15, watchOS 8, macOS Monterey, etc., adding a large number of ...[Details]
The current new energy vehicle industry is facing a "half sea, half fire" situation: "hot sales" and "difficult charging" coexist. It can be said that charging piles are the biggest factor restrictin...[Details]
The PT100 temperature sensor is a temperature measurement element widely used in the fields of industrial automation and process control. It has the advantages of high accuracy, good stability, and...[Details]
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