I received this Rapid Iot on December 29th. The packaging was reliable. See photos 1_1~3 when I opened it. It seems that this Iot is still very compact. The resolution of a small screen is quite high,...
I encountered a difficult problem in porting the DM9000 driver. I have been working on it for two days but still haven't solved it. I hope you can help me! 1. The CMD of DM9000 is connected to the A2 ...
[p=30, 2, left]Some time ago, a colleague needed to make a PCB board according to the size of AutoCAD. AD14 supports importing DWG files, so he chose to import the file directly to obtain the size of ...
Original author: KVIN Reprint link: https://www.icxbk.com/article/detail?aid=969After completing SVPWM, you can determine your direction according to your project requirements, whether it is Hall FOC,...
Recently, the first Digital China Summit was held in Fuzhou, attracting many domestic ICT industry giants to participate in the exhibition. The long queues outside the venue, the noisy and exciting...[Details]
Because the STM32 HAL library only has millisecond-level delay for HAl_Delay(), in order to achieve accurate microsecond-level delay, Systick has to be modified. However, since it is used internally ...[Details]
I have always wanted to write some posts and blogs, but I just couldn't bear to do it as I just graduated. After some preparation, I decided to write down some of the things I learned in the past few...[Details]
Time flies. Since the beginning of 2018, news related to home appliance companies have repeatedly made headlines, and competition in the home appliance market continues to intensify. In order to be...[Details]
From last year to now, competition in the photovoltaic inverter industry has become increasingly fierce. In addition to the introduction of new products, various marketing and promotion methods hav...[Details]
As the brain of a mobile phone, the mobile phone processing chip is of great importance. Xiaomi, which started out as the MIUI company, has long been keenly aware of the gap between China and devel...[Details]
LiDAR: Autonomous driving from the perspective of optoelectronic technology LiDAR and competing sensor technologies (camera, radar, and ultrasonic) intensify the need for sensor fusion and the need...[Details]
ADI has established long-term good relationships with car manufacturers and Tier 1 component suppliers. Based on its previous long-term successful cooperation with new energy vehicles and suppliers a...[Details]
The pins of stm32 have two uses: GPIO (general purpose io) and AFIO (alternate function io) For some pins (depending on the chip), neither of these two uses exists. For example, in 64-pin products, O...[Details]
I have encountered many problems when tinkering with LD driver recently. I will record them one by one below. Otherwise, who will remember who in five hundred years? 1. Configuration issues of multi-...[Details]
Note: This STM32 microcontroller is the STM32F103 series. The ADC of Stm32 has DMA function. This is beyond doubt and is what we use most! However, if we want to sample a signal (such as a pulse sign...[Details]
The following comes from - "cortex-M3 Definitive Guide" Special function register group: Program Status Registers (PSRs or xPSRs) Interrupt mask register group (PRIMASK, FAULTMASK, and BASEPRI) ...[Details]
1.GCC+PN(WinAVR-20071221) Introduction: WinAVR-20071221 comes with Programmer's Notepad, which is an easy-to-use and powerful code editor with basic functions such as project management, syntax colo...[Details]
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