I recently used the Howland constant current source circuit. The amplifier is LMV614. The output currents are 0.5ma, 1ma, 3ma, and 5ma. However, when I finished drawing the board and tested it, I foun...
Qorvo provides a comprehensive list of RF project design tools in 'Qorvo Design Tools - The Go-to Resource for RF Projects' . Let's take a look at some of them.Qorvo MatchCalc
This easy-to-use RF/micr...
There is a USB detection. When the USB is detected, the red light in RGB will be displayed. When the key is pressed for the first time, it will light up white. There are five gears corresponding to fi...
As the title says, for example, for a two-layer PCB
After copper is applied to both the top GND and the bottom GND
Why do we need to place several vias on the GND copper between the two layers? (After...
TI Analog Engineers Circuit Design Guide - Data Converters, Analog Engineers Circuit Design Guide: Data Converters - Second Edition,
The Analog Engineer's Circuit Cookbook: Data Converters provides an...
Recently, I made a digital voltmeter using the internal A/D conversion of the STC15 series microcontroller, with a 1602 display. I thought that since there was very little hardware to implement, I ju...[Details]
Hangzhou Xieneng Technology Co., Ltd. (hereinafter referred to as "Xieneng Technology") announced the completion of RMB 100 million in Series B financing, led by Lightspeed China and followed by Zhis...[Details]
Recently, Parker Hannifin, a pioneer in motion and control technology, released the "2023 Sustainability Report". The report focuses on the theme of "Leading with Purpose" and focuses on the company'...[Details]
1 Introduction
This article is based on the actual situation of a residential community and combines the user's living/fire dual constant pressure water supply control requirements to share so...[Details]
On the morning of May 12, we learned from OPPO that OPPO would terminate its ZEKU business. OPPO said that because the global economy and mobile phone market are full of uncertainties, the compan...[Details]
Xinruida released its annual report on the evening of March 30, stating that the net profit attributable to the parent company's owners in 2020 was 87.3837 million yuan, a year-on-year decrease of 6....[Details]
Why does the mine mobile transformer suddenly make a lot of noise during operation? What is the reason? Generally speaking, the sudden increase in sound during operation is considered to be an incr...[Details]
Using the iic communication of the stc12c5a60s2 microcontroller to drive the pca9685, because 9 servos are used, there is no need to short the solder joints on the driver board. The driver's scl and ...[Details]
According to foreign media Appleinsider, despite rumors that the Apple Watch Series 6 will be released in September, a well-known Apple whistleblower said that Apple will not release the Apple ...[Details]
With the rapid development of computer technology, as an important part of computer input devices, the types and functions of keyboards are also constantly evolving. Among them, mechanical keyboard...[Details]
Low-dimensional quantum materials have the unique property of valley electron spin and are expected to become a new generation of information materials and play an important role in the future 6G inf...[Details]
Recently, Bangkece (Shanghai) Intelligent
Medical
Technology Co., Ltd. (hereinafter referred to as Bangkece) completed a tens of millions of yuan in Series A financing, led by Jinyu Maow...[Details]
Nvidia, the leading graphics chip company, is reportedly placing a "super hot runs" order with TSMC (2330) within the buffer period of the US regulation on the sale of AI chips to the mainland, with ...[Details]
Constants and symbolic constants During the execution of a program, a quantity whose value cannot be changed is called a constant. Constants are divided into different types, including integer cons...[Details]
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