Five stories that mature men must read1. Different situations A piglet, a sheep and a cow were kept in the same pen. Once, the shepherd caught the piglet, and the piglet screamed loudly and resisted ...
Dear big guys!
I am currently learning micropython, and the only board I have is the TPYBoard v102
Can it do image processing? If not, what board from the same series can I use?
If you have any ideas,...
I recently used the Howland constant current source circuit. The amplifier is LMV614. The output currents are 0.5ma, 1ma, 3ma, and 5ma. However, when I finished drawing the board and tested it, I foun...
The forum is so quiet... I'll upload a 4x4 keyboard library for everyone to play with. [b]Connection:[/b] [align=left]Keyboard esp32[/align] [align=left]Row 1 io19 [/align][align=left]Row 2 io18[/alig...
The communication standard of the radio frequency tag is the basis for the design of the tag chip. At present, the international communication standards related to RFID are mainly: ISO/IEC 18000 stand...
As the title says, for example, for a two-layer PCB
After copper is applied to both the top GND and the bottom GND
Why do we need to place several vias on the GND copper between the two layers? (After...
Editor's note: Urban NOA, which stands for Urban Navigation Assisted Driving, means that after the user sets the destination in the navigation system, the vehicle can follow, overtake, change lanes, ...[Details]
Traditional low-power MCU designs are mainly based on 8-bit MCUs, because 8-bit cores have relatively fewer threshold gates, low operating or leakage current, and relatively low prices. However, many...[Details]
While we’ve seen leaked renders of the Google Pixel Watch before, a new report now even reveals some interesting details about the smartwatch. In a new YouTube video, the search engine giant has re...[Details]
SPWM and SVPWM
The frequency converter using PWM modulates the DC voltage into a variable frequency and variable amplitude voltage (AC or DC). SPWM was first used because it is easy to impleme...[Details]
The computer can be pre-installed with an ST Visual Programmer that directly comes with the STLink driver or an STM32 ST-Link Uitilty Then select Self-installation Click Next In the dialog ...[Details]
Recently, Vishay Intertechnology, Inc. announced the launch of a new customizable touch feedback actuator for commercial touch screens, joysticks and touch switch panels, the IHPT-1411AF-AB0. Visha...[Details]
As a leader in electric vehicles, a promoter of the popularization of electric vehicles, and a renewable energy company, Tesla has become the most valuable automaker in the United States with less th...[Details]
Whether it is last year's S10 series or this year's S20 series, Samsung is more considerate of small-screen users, which also helps to lower the starting price. However, the situation seems t...[Details]
According to relevant media reports, BYD is planning to independently develop a special chip for intelligent driving. The project is led by BYD Semiconductor Team, which has been established for near...[Details]
I changed to a high-end OLED screen phone, but my eyes are uncomfortable. "More and more netizens have similar questions. Do OLED screens really hurt the eyes? Recently, the reporter conducted an inv...[Details]
According to Reuters, a study by Boston Consulting Group (BCG) pointed out that if Europe wants to deploy super-fast 5G networks in its 27 member states, it will need to invest 300 billion euros ($35...[Details]
The RS485 interface has good anti-noise interference performance, long transmission distance and multi-station capability, making it the preferred serial interface for industrial control. The RS485 ...[Details]
Smart lithium battery charger for micro printers - a lithium battery smart charger with master-slave battery identification and priority charging function designed to meet the needs of portable m...[Details]
In recent years, with the completion and operation of many expressways in our city, in order to solve the problem of difficulty in charging new energy vehicles on expressways, the Municipal Transpo...[Details]
Low-cost DIY power bank components:
A boost IC, an inductor, a capacitor, and a Schottky diode. A total of 4 components.
If you use 18650 lithium-ion batteries instead, 2 18650s ...[Details]
Talking
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