12V @3A DC power supply, CON2 is the power interface, SW1 is the power SWITCH switch, the schematic diagram is shown below:JTAG emulator interface
The JTAG interface (CON3) can be used to burn the Boo...
1. Unable to identify the device
Open the adb directory in cmd (the directory seems to be in the plantfroms-tools of the sdk, where the program reports an error)
adb kill-serverand then adb start-serv...
ON Semiconductor, Avnet and EEWorld have jointly provided the industry's ultra-low power consumption RSL10 Bluetooth SoC development board, and held an Internet of Things competition with this as the ...
EEWORLD社区onsemi and Avnet IoT Innovation Design Competition
1. The whole screen is not lit (black screen)
1. Check whether the power supply is powered.
2. Check whether the communication line is connected and whether it is connected incorrectly. (Sy...[Details]
The pollution and harm of harmonics have attracted wide attention from countries around the world. The basic method to solve the harmonic pollution and low power factor problems of power electronic...[Details]
Siemens inverter is an electric device that can change the running frequency and voltage of the motor, also known as "speed regulator" or "variable frequency speed regulator". It can control the vo...[Details]
In various single-chip microcomputer application systems, the normality of the memory is directly related to the normal operation of the system. In order to improve the reliability of the system, it ...[Details]
Considering that the non-stop toll collection system implemented in China uses a dual-chip on-board electronic tag, the on-board electronic tag needs to have a strong
power module
to provide ...[Details]
The device uses a vertical-cavity surface-emitting laser and intelligent dual I2C slave addresses and is suitable for a variety of battery-powered consumer electronics applications such as true wirel...[Details]
Small, low-cost netbooks, ultra-mobile PCs (UMPCs), and mobile Internet devices (MIDs) are becoming increasingly popular and widely accepted by users. The lithium-ion (Li-Ion) battery charging syst...[Details]
Things did not look good for Bitcoin over the past week. The price of Bitcoin rebounded to $8,540 on October 1, but then it continued to fall, eventually falling below the $8,000 support level over t...[Details]
What type of companies have seen the most dramatic stock price increases in 2020? If you ask Chinese stock investors this question, 80% of them will tell you it’s liquor. But in fact, if we look at t...[Details]
Flyback switching power supplies are widely used due to their simple circuits and relatively low electromagnetic interference. They also put forward higher requirements for the output voltage spikes...[Details]
1. Half-wave rectifier circuit
The half-wave rectifier circuit is shown in Figure Z0702. It consists of a power transformer
Tr
, a rectifier diode D and a load resistor RL. The prim...[Details]
Recently, the impact of chip shortages has been transmitted to terminal markets such as new energy vehicles and smartphones, among which the impact on new energy vehicles is even more obvious. From J...[Details]
Leading global computer manufacturers Dell Technologies, HPE, Lenovo, Supermicro, and cloud service providers AWS, Google Cloud, Microsoft Azure, and Oracle Cloud Infrastructure are building prod...[Details]
On the morning of November 25, Ming-Chi Kuo, an analyst who has been paying close attention to Apple, said that Apple plans to release other MacBook models using self-developed chips in the se...[Details]
About 50Ω and 1MΩ Termination There are two levels of shorting resistors inside the oscilloscope, 1M and 50Ω. No matter which one, it is a resistor to GND. The following is a schematic diagram of the...[Details]
Microcontroller MCU
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