Requirements: On a circuit board with a diameter of about 40mm, it is necessary to measure parameters such as vibration, temperature, drilling speed, etc. It is used in the oil industry. Does anyone h...
Background: When I was doing the review, I misread the datasheet and thought it supported bare-chip LCD, so I bought a segment-code LCD (which actually does not support it) and needed a driver.
I plan...
[backcolor=rgb(222, 240, 251)]The circuit I used to power the TFT LCD is shown above. [/backcolor] [backcolor=rgb(222, 240, 251)]If the screen is not connected, all four voltages are normal. [/backcol...
When calling the library generated by EWARM7.x from EWARM 8.x, a linker warning "Warning [Lt009] Inconsistent wchar_t size" will appear. This is because the size and encoding of wchar_t are different ...
MP23ABS1 is an analog output microphone. From the frequency response curve in the data sheet, we can see that the amplitude increases significantly above 10KHz.
Although it is not clear how it perform...
Finally received the long-awaited Raspberry Pi Pico, thanks to EEWorld and the hard-working administratorsThe stamp hole design is nice, but the solder joints are a bit disappointing....
Phison, a flash memory controller chip manufacturer, announced its consolidated financial results for the first quarter of 2019. Thanks to the growth in total shipments of flash memory (NAND Flash) c...[Details]
This paper uses Philips' 32-bit microprocessor LPC2378 to develop a distribution transformer monitoring terminal, and uses the chip's built-in IAP function to achieve remote terminal program update...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics...[Details]
#pragma interrupt_level 1 void function (void) { } Then write the following in the interrupt function: #pragma interrupt_level 1 void interrupt(void) { function(); } void main (void) { function()...[Details]
The motor is mainly composed of three parts: stator, rotor and bracket. The stator consists of salient pole core and excitation winding, and the rotor consists of non-salient pole core, armature wi...[Details]
On April 15, the groundbreaking ceremony for the construction project of Envision Smart Energy Storage Equipment Manufacturing Industrial Base in Dangchang County was held. County Party Secretary Wang...[Details]
The RC spike absorption problem of the secondary side rectifier
diode
of Flyback
. I think everyone is still too traditional in dealing with such spike problems. In fact, using RCD absorpti...[Details]
AppleCare+ is Apple's high-end technical support service for iPhone, Mac, iPad and Apple Watch, which also covers accidental damage. Taking iPhone as an example, the cost of this service is ab...[Details]
Programmable gain amplifiers (
PGAs
) handle the interface between the analog output of sensors/transducers and the digital processing of the signals in data acquisition systems. Monolithic a...[Details]
Samsung Electronics recently announced the launch date of the Galaxy Fold foldable phone. The phone will be launched first in South Korea on September 6, and will later be launched in other cou...[Details]
Figure 1-7 is another series switching power supply, generally called a reverse series switching power supply. The difference between this reverse series switching power supply and a general series...[Details]
The longer the life of an electric car's lithium battery, the better. As the price of rare metals increases, the price of lithium batteries also rises, and replacing batteries is a considerable expen...[Details]
1. In UV2/UV3, a project can be composed of multiple modules (i.e. *.c files). The calling of variables and functions between modules is similar to the standard C language. That is, variables must ...[Details]