FreeRTOS+DAP_RTT+Multi-function button+USART_DMA and add FREEMODBUS
So far, the project has been realized step by step, and it is not easy to debug step by step. Thanks to my family for their support,...
[b]Supplementary content (2022-8-11 19:53):[/b] This development board is an ARM Cortex-M3 32-bit processor produced by ADI, with internal integrated 24-bit high-precision AD acquisition; UART, I2C an...
I have saved up E coins from the forum for several years, and I have spent almost all of them this time. It was sent by Mouser, and FedEx arrived at China at a very slow speed (luckily I received it b...
(4) Interference introduced from signal lines In addition to transmitting valid signals, all kinds of signal transmission lines connected to the PLC control system will always have external interferen...
The IMP23ABSU uses a 3.5 x 2.65 x 0.98 mm bottom-out package and has an operating temperature range of -40 to +85 degrees Celsius.The data sheet provides frequency response curves for frequencies abov...
littleshrimpST Sensors & Low Power Wireless Technology Forum
TI ZigBee protocol stack Z-Stack has evolved from the initial Z-Stack 0.1 to the familiar Z-Stack 2.5.1a, and now to Z-Stack Home 1.2.1, Z-Stack Lighting 1.0.2, Z-Stack Energy 1.0.1, and Z-Stack Mesh ...
Metal detector is a kind of production equipment used to detect metal impurity fragments in industrial materials. The simplest metal detector consists of two parts, namely the mechanical conveying par...[Details]
According to foreign media reports, on September 21st local time, Apple obtained another patent called "Multi-Stage active suspension actuator". Apple Titan Project concept map (Image source: pate...[Details]
~Quiescent current is only 160nA, which helps save power in consumer electronics and industrial equipment applications~
ROHM, a world-renowned semiconductor manufacturer (headquarter...[Details]
AT89C51 is the most widely used 8051 microcontroller. More importantly, it has the feature of repeated programming (FLASH). Under normal circumstances, it can be reprogrammed 1000 times, which provid...[Details]
This soft switching power supply adopts a full-bridge converter structure and uses MOSFET as a switch tube with a parameter of 1000V/24A. It adopts phase-shifted ZVZCSPWM control, that is, the lead...[Details]
Application area: automated measurement
Challenge: According to the impedance characteristics of the human body, the human pulse signal is measured by picking up the impedance change. The power...[Details]
Canada has signaled that the government may not compensate major telecom providers if it bans equipment made by Huawei from 5G networks, setting off a dispute over a bill that could cost as much as C...[Details]
Mega16 has built-in power-on reset design. And in the fuse position, the extra time during reset can be controlled, so the reset circuit outside the AVR can be designed very simply when powered on: j...[Details]
According to foreign media reports, German software and automotive technology supplier Vector announced the development of the network interface Vector VN1641 for the next generation of automotive ...[Details]
"Fish-photovoltaic complementarity" refers to the combination of fishery farming and photovoltaic power generation. A photovoltaic panel array is set up above the water surface of the fish pond, an...[Details]
In the era of "software-defined cars", the electronic and electrical architecture, as the foundation of automotive intelligence, has become the research and development focus of intelligent connected...[Details]
On May 10, the official website of the Beijing Securities Regulatory Bureau released information stating that at the beginning of 2021, Lenovo Holdings was randomly selected as the subject of on-site...[Details]
Capacitance tester, as the name implies, is an instrument for testing capacitance. So what characteristics does the capacitance tester show during use? What are the main parameters of the capacitance ...[Details]
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Program effect: Use buttons to control the output of notes, use the microcontroller timer to control the frequency, and drive the speaker to produce different sounds. A simple electronic key...[Details]
Due to the high-frequency operating characteristics of power electronic devices, converters require the use of key passive filtering components. Traditional filtering methods use dual inductor-capa...[Details]