[Raspberry Pi 4B Review] Review and test of various functions of Raspberry Pi 4
It is divided into the following parts:
1. Check the Raspberry Pi version
2. CPU View
3. Memory View
4. Check CPU temper...
My graduation project is to use CPLD to make a sensor, but I have never used it before, and I don't know much about circuits and logic.
Now I have no idea how to start. I hope you guys can help me wit...
Heart rate detection BLE device based on RSL10
Author: yilonglucky
1. Introduction
Heart rate detection service is a standard sub-protocol in the Bluetooth protocol family. This project is based on RS...
yilongluckyonsemi and Avnet IoT Innovation Design Competition
[size=4] The msp430 is used as the data processing chip, and the Hall sensor is used to collect the time T for the wheel to rotate one circle. Therefore, according to C/T, the speed of the car can be ...
The analog small signal is amplified by the amplifier and directly connected to the SAR ADC without RC filtering in between.
When testing a signal, if the amplitude of the signal is large, the collect...
Since the late 1990s and early 2000s, many batteries and battery packs that were intended for use in ITE products have been recalled, and this situation is still continuing. A few years ago, the Infor...
The zinc-manganese dry
battery
charger
has the functions of timing and
charging
indication. Its charging current is 50mA and it can be used to charge fully sealed ordinary dry
...[Details]
Abstract: bq2007 is a new charging monitoring display module produced by benchmarq. bq2007 can be used to form a fully functional Ni-Cd, NiMH and Li+ ion battery charger, and has a flexible char...[Details]
At present, my country's photovoltaic power generation system is mainly a DC system. This type of system has a simple structure and low cost, and it is difficult to achieve system standardization a...[Details]
Just after the beginning of the new year, most parts of China have been hit by another wave of cold waves, with temperatures in many cities in North China and East China dropping by more than 10°C. T...[Details]
The circuit symbol of the voltage regulator diode (also called Zener diode) is: This diode is a semiconductor device with very high resistance until the critical reverse breakdown voltage. At this cri...[Details]
At 8:28 am on November 22, 2022, the groundbreaking ceremony for the third phase of the expansion of Building No. 2 of Jiangsu Yuanxin Energy Storage Technology Co., Ltd. was successfully held. Dep...[Details]
1. Introduction This article introduces a high-power parallel UPS synchronous control solution based on TI's TMS320C240 DSP controller. The synchronization with the power grid and the synchroniz...[Details]
The "2019 Global Flash Memory Summit" was grandly held at the Hangzhou International Expo Center (G20 main venue), under the guidance of the Zhejiang Provincial Department of Economy and Information ...[Details]
There are usually several ways to implement the STC microcontroller's adaptive baud rate serial port:
(1) The protocol stipulates that at the beginning of communication, the host sends a fixed ch...[Details]
LED dot matrix display is a simple Chinese character display, which is cheap, easy to control, and has a long service life. It can be widely used in various public places, such as stations, docks,...[Details]
The measurement of cutting force is not only conducive to studying cutting mechanism, calculating power consumption, optimizing cutting amount and tool geometric parameters, but more important...[Details]
Manufacturers of cars, trucks, buses and motorcycles are rapidly electrifying their vehicles to improve the fuel efficiency of internal combustion engines and reduce carbon dioxide emissions. There a...[Details]
Continuing from the previous issue, today’s content is the next issue of the top ten key words in the lithium battery industry in 2021 . Solid-state batteries that made a splash Since the 15...[Details]
With the changes of the times, people's requirements for security are constantly improving, which has promoted the progress of anti-theft alarm technology in the security field. The application and...[Details]
Contents The invention relates to a liquid level gauge, in particular to a magnetic float liquid level gauge. Background of the Invention During the cold winter in northern my country or other regi...[Details]
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