EEWorld invites you to dismantle (sixth issue): dismantle the car wireless charger - power technology
My task is to disassemble the Huawei Super Fast Charging Wireless Car Charger.The main features of...
First, let's take a look at the overview of RISC-V GD 's 103 timer.This time we mainly refer to the official routine and use PWM modeIn PWM output mode ( PWM mode 0 is to configure CHxCOMCTL to 3'b110...
The WR703N router is flashed with the openwrt system. After the router is started, it needs to manually connect to the WAN port to access the Internet. What is the problem? How can it automatically co...
The ESK32-360 development board supports audio recording and playback in hardware, which is implemented by the WM8978 codec chip with an I2S interface. The interface circuit is shown in Figure 1.Figur...
Is there any expert in the field of carrier synchronization? ? I am currently working on MATLAB simulation of the cross-product automatic frequency control algorithm, but I don't quite understand the ...
My original home heater used two switches to control the large and small fires. Later, the heater stopped working. After I disassembled it, I saw that the two switches controlled the large and small f...
A 3D surface graph uses x, y, and z data to plot each point on a graph and then connects those points to form a 3D surface of the data.
Example: Create a two-dimensional array of sine functions t...[Details]
I. Introduction The timer can be said to be a standard peripheral in any microcontroller. After learning so many MCUs, the timer module is very simple and almost all have the same workflow. Use a reg...[Details]
General Motors' Cruise self-driving unit is abandoning plans to deploy self-driving taxis by the end of this year, the latest sign that automakers and technology companies are struggling to meet the ...[Details]
Positive 12V to negative 12V circuit
This circuit uses the TPS5340 step-down chip.
Figure 1 shows a simplified buck-boost circuit and the switch voltage that appears across the inductor. The si...[Details]
At present, the PIC series of microcontrollers produced by Microchip have quickly occupied the domestic market with its low cost, low power consumption, high performance, fast development speed and on...[Details]
There are two major hazards to analog CMOS, one is static electricity and the other is overvoltage. Therefore, to protect CMOS, we need to start with these two major factors to avoid incorrect use ...[Details]
An LED can be used as a photosensor. A previous design idea gave a power-efficient switch that consumed almost no power. However, this structure could not be adjusted to switch according to the requir...[Details]
On May 5, the China Consumers Association announced the results of a comparative test of 29 smart door locks. In order to verify this rumor, this comparative test specially added a black box attack t...[Details]
The servo motor press is a new type of press that uses a servo motor as a power source. It has the characteristics of high precision, high efficiency, and high stability, and is widely used in vari...[Details]
The power supply structure of the DC/DC power supply module includes: pulse width modulator (controls conversion efficiency), optocoupler (isolates input and output to avoid interference between the ...[Details]
According to domestic digital bloggers, Huawei is testing Qualcomm's next-generation flagship platform Snapdragon 898, which will be installed on its business flagship in the first quarter of next ye...[Details]
Note: Data operations may exceed the type of variable definition, so be careful when defining variables! Variable type definition in STM32F4: in stdint /* exact-width signed integer types */ ...[Details]
It is reported that BAIC Foton, Toyota Motor and SinoHytec have reached a cooperation intention last year, and will equip the hydrogen fuel cell buses produced by BAIC Foton with SinoHytec's hydrogen...[Details]
CATL achieved impressive performance in both revenue and market share in 2021, but cost pressure was still reflected in gross profit margin. On the evening of April 21, CATL disclosed its annual repo...[Details]
Power technology
京公网安备 11010802033920号
EEWORLD
