A simple mesh network data collector for a smart meter advanced metering infrastructure (AMI) network is designed and implemented. The network is an IPv6 based low power wireless personal area network...
LED PWM ReviewsESP32-C3 has 6 LED PWM generators inside, which can be used for PWM output, with a precision of up to 14 bits, and an input clock of up to 80MHZ . It also supports fractional frequency ...
[size=4]CS8626 Filter-free, 50W Mono Class D Audio Amplifier Performance Overview CS8626E is a 55W mono high-efficiency Class D audio power amplifier circuit. Advanced EMI suppression technology allow...
Bought a wifi module and it just arrived this week.
Since I have to go back to my hometown for New Year's Day, I don't have time to adjust. I have to take a week off this week. Sorry.
The wifi functio...
The adjustable power supply composed of LM317 has the following two problems:
1. What is the function of the circuit composed of VQ1 and R3 in the figure?
2. What is the function of VD2 in the picture...
1. DIP switch
This is a cross section of a plain old DIP switch. There are four groups of switches in this component. This is one of the switches.
This is the annotated version. It looks very simple. ...
This infrared thermal imager can be worn on the head or installed on a helmet. It does not need to be held in hand and is easy to use. It uses a unique uncooled focal plane sensor and is designed acco...[Details]
Electronic engineers or prospective engineers who have done embedded design or taken embedded courses may feel that the first MCU we used in our memory may be the type we like (or dislike). However,...[Details]
According to foreign media reports, Samsung Display, a panel maker under Samsung Electronics, may extend the production time of LCD panels until the end of 2022. Samsung has been producing LCD panel...[Details]
In an interview with a reporter from Ta Kung Pao, Zhu Zhanjun, executive president of GCL-Poly, said that the company is paying close attention to the country's "One Belt, One Road" strategy and is...[Details]
In any
switching power supply
design, the physical design of the PCB board is the last step. If the design method is not appropriate, the PCB may radiate too much electromagnetic interferen...[Details]
After registration is complete, how are the device and driver connected? It turns out that the device connection has been made during driver_register() registration.
The serial port is a platform d...[Details]
This example introduces an adjustable DC regulated power supply circuit with current indication made of light-emitting diodes. Its output power is 50W and the output voltage range is 1.25-28V. ...[Details]
This article is compiled from ZDNet One of the big trends this year regarding robotics is that the way robots “see” is undergoing a fundamental change, which will have a huge impact on utility cost...[Details]
The so-called frequency refers to the first-order natural frequency of an object. Generally speaking, the number of frequencies of an object's vibration is related to the object's internal degrees...[Details]
Selenium sand melon is called "two melons growing in the cracks of rocks". It is a watermelon produced by farmers in the Xiangshan area of Zhongwei, Ningxia. In the Xiangshan alluvial fan area with ...[Details]
Because all embedded systems use interrupts, how does my S3C44B0 interrupt process? Then I need to understand the whole process. To understand it in depth, the best way is to write a program and th...[Details]
There are many varieties and models of pointer multimeters, but their working principles are basically the same or similar. Its biggest display feature is that the measured value is indicated by th...[Details]
Standard nozzle and classic Venturi tube, V cone flowmeter (throttling differential pressure flowmeter) and vortex flowmeter are the main flowmeters. The throttling differential pressure flowmeter is...[Details]
Corning Incorporated announced that Corning® Astra™ Glass has won the Gold Panel Award for Display Component Product Technology at Touch Taiwan 2019. Corning will showcase Astra Glass and other indus...[Details]
What are the most important parts that a single-chip microcomputer should have to automatically complete calculations? Let's use an abacus as an example to calculate an arithmetic problem. Example...[Details]