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...
The forum is so quiet... I'll upload a 4x4 keyboard library for everyone to play with. [b]Connection:[/b] [align=left]Keyboard esp32[/align] [align=left]Row 1 io19 [/align][align=left]Row 2 io18[/alig...
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...
South Korea's OLED panel exports to Japan reached $13.2 million in June, up 129.2% from the same period last year, reaching a monthly high, the Institute for Information and Communications Technology...[Details]
ON Semiconductor (NASDAQ: ON), driving energy-efficient innovations, will showcase a wide range of IoT-enabled solutions at the International Internet of Things Exhibition in Shenzhen, China, July 29...[Details]
1. Experimental Phenomenon
8 digital tubes display the multi-digit number 9876.5432
2. Experimental Purpose:
Master the principle and programming method of multi-digit dynamic display ...[Details]
On August 26, the first batch of power batteries of Yichang Hualin Titanium New Energy Co., Ltd. rolled off the production line in Xiaoting. This marks that Xiaoting District has taken a solid step in...[Details]
Compared with the other two platforms, the Xbox platform has the highest backward compatibility, and even the earliest Xbox games can be played on the new generation of Xbox Series consoles. A...[Details]
I am working on the online upgrade bootloader program for Freescale 16-bit microcontrollers. There are two questions that I am not very clear about. I would like to ask the experts in the forum. 1. ...[Details]
With the development of science and technology, especially the rapid development of computer, communication and aviation, people have higher and higher requirements on the volume, weight and effici...[Details]
Today, OnePlus officially announced that it will hold a domestic new product launch conference for the OnePlus 7T series at the Olympic Stadium of Beijing University of Technology at 2 pm on October ...[Details]
Considering the wide application of protocol signals, the ZDS2022 oscilloscope provides 21 protocol triggering and decoding functions for free, including the USB protocol. Some customers often compla...[Details]
1 Introduction
At present, vehicle information systems have gradually become an indispensable part of intelligent transportation systems (ITS) that integrate advanced electronic, computer and com...[Details]
On September 6, Ning County, Gansu Province issued a competitive allocation announcement for the wind power pilot project of the “Thousand Towns and Villages Wind Harnessing Action”.
The annou...[Details]
With the progress of society, automobiles, as luxury goods, have begun to be popularized in ordinary families. Driving safety of automobiles is becoming more and more important. Therefore, countri...[Details]
As we all know, current probes are mainly used to measure current signals. So how to use current probes to measure current? Today, PRBTEK Probe Academy will share with you briefly: The current prob...[Details]
O Introduction
LED display is a flat display screen composed of light-emitting diode dot matrix modules or pixel units. It has the advantages of high luminous efficiency, long service life, flexibl...[Details]
Junan Energy Storage has established industry-university-research cooperation with many well-known domestic universities and research institutions on key technologies of zinc-bromine flow batteries...[Details]