Use serial port tools and serial port assistants to monitor the communication process between the mainboard MCU and the Bluetooth module------------Is this connection possible?...
In CircuitPython, analog input and analog output functions are supported, that is, ADC and DAC. However, its usage is somewhat different from MicroPython, and the MicroPython method cannot be used.Ana...
Introduction: We know that when the characteristic impedance of the line is discontinuous, the signal will be reflected through the discontinuous point, causing the signal to overshoot and ring. When...
[size=5]DAO layer: The DAO layer is mainly responsible for the work of the data persistence layer. Some tasks responsible for communicating with the database are encapsulated here. The design of the D...
Updated the firmware of PYBCNV2 and fixed a reboot bug.https://github.com/micropython-Chinese-Community/MicroPython_firmware/tree/master/pyboardCN_V2
or
https://gitee.com/microbit/MicroPython_firmware...
There are still a few months before the release of Google's Pixel 9 series of mobile phones, but foreign media Android Authority has already exposed the specifications of Google's Pixel 10 series o...[Details]
1. Multimeter A multimeter, also known as a multimeter, three-meter, or multiplexer, is a multifunctional, multi-range measuring instrument. Generally, a multimeter can measure DC current, DC vol...[Details]
Transient voltage protection
The AD5422 has internal ESD protection diodes to prevent damage from normal operation. However, industrial control environments can subject the I/O circuits to much h...[Details]
On December 8, Holiland (China) Electronics Technology Co., Ltd. issued an announcement stating that its wholly-owned subsidiary Hangzhou Haolilai Private Equity Fund Management Co., Ltd. (hereinafte...[Details]
Samsung's Galaxy S21 series will be unveiled early next month, and last month, the design and specifications of the Galaxy S21, Galaxy S21 +, and Galaxy S21 Ultra have surfaced. Now it is repor...[Details]
1 HID lamp electronic ballast and related lighting market
Commonly used HID lamps include metal halide lamps, mercury lamps and sodium lamps, which have the advantages of high working efficiency an...[Details]
Gene Berdichevsky, Tesla 's employee number 7, led the team that designed the lithium-ion battery pack for Tesla's first car, the Roadster, a car that convinced the world of the importance of electri...[Details]
News on the morning of July 16. A new report shows that HTC is preparing to launch a new smartphone. The new phone is called HTC Wildfire E. It is an entry-level phone and there is no specific inform...[Details]
According to the latest report from market research firm Transparency Market Research, global tablet sales in 2011 reached 67 million units, and the annual growth rate is expected to be 38.8%, rea...[Details]
A feedback control system that uses temperature as the controlled quantity. In the physical processes and chemical reactions of production processes such as chemical, petroleum, and metallurgy, tem...[Details]
The LED driver power solution using SA7527 has been mass-produced with stable quality. advantage: 1) High power factor: above 0.95 2) Low harmonics: less than 15% 3) High efficiency shortcoming: 1) T...[Details]
Background introduction of liquid biopsy In recent years, tumor diagnosis and treatment technologies have made great progress, but cancer is still the main cause of human death. Cancer ...[Details]
Overview
Electromagnetic flowmeter is a flow measurement instrument made by electromagnetic induction principle, which can be used to measure the volume flow rate (flow velocity) of conduc...[Details]
By pressing the 4*4 matrix button, the digital tube will display the corresponding value #include reg52.h typedef unsigned char u8; typedef unsigned int u16; u8 code smgduan ={0x3f,0x06,0x5b,0x4f,...[Details]
Recently, at RE+, the largest clean energy exhibition in North America, Haibosic has reached a breakthrough cooperation with a number of global partners including energy storage system integrators,...[Details]
Integrated technical exchanges
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