When I read and write the SD card, FR_NOT_READY is always returned. The waveforms of the CD and DATA0 pins measured with an oscilloscope are abnormal. The SD card is powered by 3.3V and the processor ...
After many rounds of repeated testing, the first version of our forum app is now online! It does not take up memory, and you can easily browse the forum by scanning the code. Welcome everyone to exper...
It is very common to use a single-chip microcomputer. However, in FPGA, due to floating-point arithmetic problems, it is troublesome to use PID.
The following is a PID Verilog program I designed. It s...
[size=14px]Ubuntu 16.04 [/size]Compile C++ program. Error: expected class-name before '{' token { The error location uses the inherited class CompressedDepthSubm: public CompressedDepthSubscriber libr...
GigaDevice GD32E231 DIY Contest—— An introductory example of IoT based on MQTT message communication GD32E231+ESP8266 implements Wi-Fi remote temperature and humidity acquisition, control and network ...
[i=s]This post was last edited by Beifang on 2019-7-17 16:57[/i]1. Brief introduction - Health and exercise assistant based on Nucleo-L476LThe Nucleo-L476L-based health and sports assistant is a proto...
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
When I wrote this program, I had no reference at all. It was all based on assembly language and was moved to C language step by step. But after testing, I felt that the effect was still very ideal, so...[Details]
1 Introduction
Many channels in actual communication cannot directly transmit baseband signals. Baseband signals must be used to control certain parameters of the carrier waveform so that ...[Details]
Due to the excellent energy and power characteristics of lithium batteries in hybrid and pure electric vehicles, the automotive industry currently generally adopts lithium batteries as a solution for...[Details]
Medical education attaches great importance to practical operation. Without clinical practice, qualified doctors cannot be trained. One of the bottlenecks in the training of modern medical talents is...[Details]
Linear power supplies have a heat dissipation problem on the output transistor. For example, in a 0~15V variable power supply, for a given 50V 1A output, there is a 10V drop on the output transistor...[Details]
The main plant of the chip project of Innoscience (Suzhou) Semiconductor Co., Ltd. in Fenhu Development Zone, Wujiang, Suzhou has been successfully capped, and it is expected to achieve large-scale m...[Details]
1. Scheme Design and Comparison
1.1
Control
Chip selection
Solution 1: Using the 8031 chip, which has no internal program memory and requires external expansion, which adds
c...[Details]
MC/OS-II is a free, open-source embedded real-time kernel written by American Jean Labrosse. It is a real-time embedded operating system ERTOS (Embedded Real Time Operation System) with high practica...[Details]
Most engineering labs have digital oscilloscopes, but many engineers don't fully explore their capabilities. One of the more interesting features of a digital oscilloscope is its math channel, which ...[Details]
On September 26, the September major project launch event in Haining City, Jiaxing, Zhejiang Province was held in Haining Economic Development Zone, and the HiSilicon 300mm wafer production line proj...[Details]
Frequency domain design is a simple indirect design method for a large class of automatic regulation systems such as switching power supplies. This method can make the designed switching power supp...[Details]
Block diagram (SBD) of a HEV multi-cell battery pack using TI digital power controllers and multi-cell battery devices.
Design Considerations
Plug-in hybrid electric vehic...[Details]
On October 23, the first batch of Jilin Energy Valley lead-carbon batteries with domestic leading technology, jointly invested and built by Jilin Electric Power Co., Ltd., Taihu Energy Valley, Xiny...[Details]
The traditional system design mode of embedded systems, which is hardware first and software later, requires repeated modifications and repeated tests. The entire design process depends largely on t...[Details]
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