Today I unboxed the second board in this competition: ESP32-EYE
1. Outer packaging2. Development board + instruction card3. Power on and connect using the serial port debugging assistant 115200 8N1 to...
This week's review highlights:
- Application for Anxinke UWB indoor positioning module is open (2 pieces per person, total value 525 yuan)
- Qinheng CH582 is coming, and the main control of Qinheng's ...
[i=s]This post was last edited by levinston on 2021-12-11 15:37[/i]I encountered some difficulties in the process of making a magnetically controlled lamp for a model, and I would like to ask for help...
[media=x,500,375]https://v.youku.com/v_show/id_XNjkxODg4Njg0.html[/media] Foreigners really know how to play. Not only does it rotate when exposed to light, but it also levitates magnetically. Everyon...
The following is the timing constraints part:The most important goal in FPGA design is to ensure that the design meets the timing requirements, that is, there are no violations, and then the optimizat...
1. BUG
After unremitting efforts of the technical experts in the group, we finally found out that the bug of minihttp was caused by the accidental disconnection of TCP socket, which caused the communi...
A brief discussion on the difference and connection between transmitters and sensors
Sensor is a general term for devices or equipment that can be measured and converted into usable output signal...[Details]
On November 25, Moore Thread announced the completion of a 2 billion yuan Series A financing, led by Shanghai Guosheng Capital, 5Y Capital, and Bohai Zhongsheng Fund under Bank of China International...[Details]
1. Characteristics of DS18B20
1. "One-wire bus" digital temperature sensor. (One-wire bus has good timing, which is relatively simple)
2. 3~5V wide voltage operating range
3. Resolution 9-12 ...[Details]
APFC technology can be divided into discontinuous conduction mode (DCM), continuous conduction mode (CCM) and critical conduction mode (CRM) in between, depending on whether the inductor current is...[Details]
Due to the need for competition and differentiation, many handheld devices have adopted non-standard USB interface designs, such as mobile phones. However, this does not affect the increasing integ...[Details]
On July 14, the Shanghai Stock Exchange officially accepted the application for listing on the Science and Technology Innovation Board of Beijing Tianke Heda Semiconductor Co., Ltd. (hereinafter refe...[Details]
Abstract: This article first introduces the general knowledge of radio direction finding, explains the classification method and application of radio direction finders; focuses on explaining the char...[Details]
Set the MSP430 microcontroller as the master device and 24C256 as the slave device. The IIC bus consists of two lines, SDA and SCL, each of which is connected to a 4.7K pull-up resistor.
The master...[Details]
After investigation, suppliers generally reported that this year's order demand has dropped by 5% to 10% compared with last year (2018); it is expected that end product customers may pass on part of ...[Details]
The following is a method for calculating sunrise and sunset times that vary with longitude and latitude. I have successfully used it in an intelligent street light controller . I hope it will be help...[Details]
Normally, the data transmission and reception of UART can be completed by the MCU controlling the internal FIFO of UART. However, whether it is in the form of interruption or query, the process wil...[Details]
Recently, the FAW Bestune 2019 Brand Night with the theme of "The Great River Rushing and Rising" was successfully held at the Hukou Waterfall of the Yellow River. At this press conference, Siwei Zh...[Details]
An audio amplifier is an electronic device used to amplify sound signals. It amplifies the input low-level electrical signal to a sufficiently high level in order to drive the speaker to produce su...[Details]
Google announced Android 12 during the keynote at the opening ceremony of I/O 2021, and now the first public beta of the system has been launched. The Android 12 public beta is currently availa...[Details]
The car driving recorder (car black box) is a digital electronic recording device used in cars. It can store the car's driving speed, time, mileage, brake and other status information and export d...[Details]
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