[i=s]This post was last edited by littleshrimp on 2020-2-16 13:09[/i]Assume there is a microphone on the left
In the middle is a 2-core shielded cable, the black wire is the shielding wire
The amplifi...
[i=s]This post was last edited by tobot on 2022-6-9 10:08[/i]Stickman Player
Project Background
Originally, I wanted to use the voice function of RVB-2601 to make a price sign that can automatically q...
This article was written by FPGA enthusiast Xiao Meige. Without the author's permission, this article is only allowed to be copied and reproduced on online forums, and the original author must be indi...
Microchip recently launched a new generation of AVR DA series microcontrollers, the first functional safety AVR MCU series with a peripheral touch controller (PTC).
It can handle a lot of touch intera...
Development Environment:
Host: Ubuntu 18.04
Development board: OK3568-C development board
Feiling embedded OK3568-C development board can use USB OTG burning and TF card burning, among which USB OTG i...
Noise and TDMA Noise "Noise" is often used broadly to describe unwanted electrical signals that distort the purity of the desired signal. Some types of noise cannot be avoided (such as actual fluct...[Details]
After testing, it was found that the RF front-end mixer was faulty, resulting in no signal detection and self-calibration error. Repair process The damaged components were replaced and the enginee...[Details]
On July 12, the international community received new developments: Google is using its advanced Gemini system to deepen its training of its robots, aiming to significantly improve their navigation ...[Details]
In the video surveillance industry, infrared cameras play an irreplaceable role. Whether it is road traffic, corporate security or smart communities, they are indispensable. So what are the funct...[Details]
When debugging digital circuit designs, it is often difficult to set up oscilloscope trigger conditions to trigger on specific and rare signal anomalies, and sometimes there is no suitable trigger se...[Details]
In the process of burning AVR microcontrollers, it is inevitable that the fuse position is wrong, and the result is that the AVR microcontroller cannot be read or written! What should we do at this t...[Details]
Today we will talk about Rockwell PLC identity authentication and communication vulnerability analysis and reproduction~
Rockwell Automation is one of the world's largest automation and inform...[Details]
In recent years, we advocate "constant voltage first, then constant current", which will be
the mainstream of
LED lighting
market. After two years of development, it is strictly defined as "d...[Details]
Group regulation "Group regulation" is often used in power supplies with lower output capacity or cheaper . Of course, you can quickly determine whether the power supply is "group regulated" by coun...[Details]
The power amplifier is
an indispensable key component of the
millimeter wave
frequency band transmitter. The output power determines the range and anti-interference ability of the entire system...[Details]
In some classes of motor drive applications, users have little or no tolerance for unpredictable, uneven, or irregular motor behavior. While this certainly does not apply to all motor-driven produc...[Details]
New products are used in a wide range of applications, including AR/VR, personal robots, industrial robots, drones, barcodes, biometrics, gesture recognition, embedded vision and scene recognitio...[Details]
A project launch ceremony was held in Haining, Zhejiang. A total of 16 projects were launched with a total investment of 2.3 billion yuan. The H3C Group Electronic Information Industry Park project i...[Details]
/* Call all initialization functions in a loop*/
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr)
{
if ((*init_fnc_ptr)() != 0)
{
/* When each function fails to...[Details]
Analog electronics
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