The brightness of LED lights can be adjusted by using timers and corresponding output functions. Taking channel 1 of timer 1 as an example (PA8), it can achieve PWM control by controlling the duty cyc...
Because the SD/MMC board on some development boards does not support 4-bit bus mode, a new macro MICROPY_HW_SDMMC_BUS_WIDTH is added to allow the width of the SD/MMC bus interface to be defined, the d...
The PC communicates with the microcontroller through the serial port. The PC sends data with an address code to the microcontroller. The microcontroller determines whether the data is sent to it. If s...
I received the board from the forum last week. Thanks to EEWorld Forum and GigaDevice for providing the board. This article will first conduct an unboxing and evaluation.
1 UnboxingForget about unpack...
In daily experiments, some basic photosensitive thermistors can roughly reflect changes in the environment. When I first came into contact with microcontrollers, I used a 51 microcontroller. I always ...
1. How to improve the efficiency of C language programming code
Deng Hongjie pointed out that using C language for MCU programming is an inevitable trend in MCU development and application. He...[Details]
Friends who are familiar with Apple should know that Apple holds two press conferences every year, one in the spring in the first half of the year and the other in the fall. In between, there is also...[Details]
LG recently had another dispute with Samsung, claiming that Samsung's 8K TV is not "real 8K" and its own TV is. LG Electronics publicly stated that Samsung's 2019 8K TVs do not meet the internation...[Details]
Interference occurs when two energy-carrying waves meet and overlap. The energy they carry mixes together, so instead of two waves, you get a third wave whose shape and size depend on the pattern of ...[Details]
Confidential computing is designed to protect data in use. For example, the latest Intel Software Guard Extensions technology integrates confidentiality, integrity, and authentication functions to en...[Details]
Heinz Hössli now Chief Financial Officer of the Bühler Group in Uzwil, Switzerland , Vice President of Advanced Materials. He will take on the role of Group Chief Financial Officer in the first half...[Details]
In the new version of the referee system, a photosensitive strip is added to detect and time the passing of the car model. Compared with the original electromagnetic induction method, it has certai...[Details]
Jiwei.com reported on October 26 that according to LetsGoDigital, Samsung submitted a patent application for a folding screen smartphone design with a pop-up camera to the World Intellectual Property...[Details]
Introduction: Three-electric, electromotive force, new energy vehicle technology popular science column. Produced by: electromotive force (wxid-dianxiaoer01) In recent months, the topic of "cob...[Details]
In order to rewrite the ARF2496K wireless 2.4G driver, it needs to be ported to the STM32 main control, so I want to simply control the I/O timing to complete this experiment. The first step is to co...[Details]
On January 28, the Safety Supervision Department of the State Grid Corporation of China issued the "Notice on Strengthening Safety Control of the Reopening of Power Grids and Urban and Rural Suppor...[Details]
Today, some netizens shared photos of vivo's upcoming foldable screen new phone X Fold. The phone is covered with a thick confidentiality shell, the crease in the middle is almost invisible, and the ...[Details]
1. Transformer winding deformation tester detection principle Under the action of high-frequency voltage, each winding of the transformer can be regarded as a passive linear two-port network compos...[Details]
The magnetic flap level gauge uses a magnetic float as a measuring element, and drives the column display through the magnetic coupling effect. It does not require power and is suitable for vario...[Details]
This Marx generator has a total of six stages, each of which is composed of a 0.002uF 20kV capacitor and two 1m ohm resistors. On the left is a neon transformer (9kV 30mA). The high-voltage AC genera...[Details]