[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...
Most people know that Gordon Moore, the legendary co-founder of Intel, made the famous observation back in 1965 that
the number of transistors in a dense integrated circuit (computer chip) ...[Details]
0 Introduction
Indirect frequency synthesizers composed of phase-locked loops play a very important role in the field of wireless communications. The output signal of a phase-locked frequency ...[Details]
Testing technology is the only engineering technology that runs through all stages of the product life cycle. The core technology of testing is software, which is the key to realizing commercial ...[Details]
Note that you should check whether the magnetic flux is close to saturation under the conditions of minimum input voltage and maximum pulse width. Since the pulse width will become narrower when the i...[Details]
Wedbush analyst Daniel Ives on Monday (25th) expected Apple to announce impressive iPhone shipments and strong demand in China, so he raised Apple's target price to $175 per share. Wedbush analyst Da...[Details]
High-frequency current probes are mainly used for measurements of floating systems. In power system testing, it is often required to measure the relative voltage difference between the live wire a...[Details]
§00 Background The 7-segment digital display is widely used in LED, LCD and many other electronic devices. It has concise and clear segments and is easy to drive. Nowadays, it is used in the GUI...[Details]
As FPGA is increasingly used in embedded system development, some embedded CPUs, such as STM32, do not have a dedicated CPU read/write bus to reduce costs and package size, but only provide some inte...[Details]
Yesterday afternoon, Lei Jun, Chairman and CEO of Xiaomi, shared a photo of a friend receiving a newly purchased Redmi Smart TV 98-inch MAX. The photo shows that the TV was delivered by a spec...[Details]
We know that in high-frequency circuits, we cannot use a certain value to represent the characteristics of this component, because its characteristics are changing with the change of frequency. We ca...[Details]
Data released by the European Patent Office showed that Huawei ranked first in the number of patent applications in Europe, ahead of other companies such as Samsung and LG. This shows that although H...[Details]
Boston Dynamics announced a partnership with OTTO Motors, a developer of automated material handling and transportation technology for warehouses. The robot to appear this time is Boston Dynamics' "f...[Details]
According to foreign media reports, a German automotive industry analyst recently claimed that electric vehicles will eventually be replaced by hydrogen-powered vehicles. Dr. Felix Gress, head of ...[Details]
ADC hardware principle An analog-to-digital converter, or ADC for short, usually refers to an electronic component that converts analog signals into digital signals. As shown in the figure, the analo...[Details]
From the previous uboot code analysis, we know that the uboot startup has three steps: BL0, BL1, and BL2. Since BL0 is a fixed program provided by the manufacturer, it does not need to be considere...[Details]