From: https://www.oshwa.org/2020/10/16/oshw-c ... rvey-2020/In 2020, we conducted our third OSHW Community Survey (see 2012 and 2013 ), collecting 441 responses. All questions are optional, so you may...
Today I tested OV2640, using the example program https://github.com/verimake-team/SparkRoad-V/tree/master/demo/16_ov2640_sdram, but the result was not very satisfactory. I have used this OV2640 before...
Dual-channel signal sources naturally need to see the difference between dual-channel and single-channel signal sources. A single-channel signal source outputs only one channel, without a comparison c...
[i=s]This post was last edited by sigma on 2019-6-13 14:33[/i]According to the requirements of previous competitions, the competitions do not specifically specify which type of microcontroller should ...
The more complex test in the Anlu development board is the GAME test, which introduces the CPU and VGA tests. Of course, the CPU should be a soft core.I don't know what instruction set this CPU uses. ...
1. Bandwidth: refers to the frequency value when the sinusoidal input signal decays to 70.7% of its actual amplitude, that is, the -3dB point (based on a logarithmic scale). This specification indica...[Details]
1 Overview --- As the capacity of FPGA increases, the design of FPGA becomes increasingly complex, and design debugging becomes a very arduous task. In order to put the design into the market as soo...[Details]
Foreign media exposed the front rendering of Google Pixel 5 XL. As shown in the picture, the front of the Pixel 5 XL is basically similar to that of the Pixel 4 XL. Its upper border is wider t...[Details]
I checked a lot on the Internet; many people said that it would be easy to use after downloading it, but it was useless. I will write this for myself to read later. It is not very standardized, just ...[Details]
RC oscillator frequency selection circuit
VCC and gnd are the power supply parts of the amplifier, and the RC composed of C2 and R5 is the signal source, that is, the input part. ...[Details]
Recently, Huawei has been granted an invention patent titled "Smart Glasses and Smart Glasses Control System". According to Qichacha information, Huawei Technologies Co., Ltd. applied for this patent...[Details]
We often hear about high-end equipment such as air suspension or electromagnetic suspension in luxury models. Unlike ordinary suspension systems, these two types of suspension can adjust damping in t...[Details]
Qichacha shows that on July 21, Julicheng Semiconductor (Shanghai) Co., Ltd. underwent industrial and commercial changes, adding Hainan Yunfeng Fund Center (Limited Partnership) and CICC Pucheng Inve...[Details]
The figure shows a common implementation of a phase frequency detector (PFD), which is basically composed of two D-type flip-flops. One Q output enables a positive current source, and the other Q o...[Details]
Today, digital blogger @数码闲聊站 released a battery picture of vivo’s mysterious new phone, revealing that vivo will have a new product Z5x with a 5000mAh large battery, and it may be vivo’s first hole-...[Details]
Over the past two years, something has been happening in the EDA space that needs attention but no one seems to be paying attention to: revenue from hardware verification tools (basically hardware em...[Details]
Motor starting
The motor must be started in expert mode.
To activate "Expert Mode" you must switch DIP switch S10/1 to ON. This is the default setting. This information is also avai...[Details]
On the evening of December 15, SMIC issued four announcements in a row, mainly involving three aspects. The first was personnel changes in the management, the second was a response to a civil lawsuit...[Details]
Mouser Electronics, Inc., the global leader in new product introductions that drive industry innovation, has launched a new RISC-V resource page dedicated to the open source instruction set architect...[Details]
Spectrum analyzer is generally a non-time domain tool, mainly describing the changes of signals in the frequency domain (used to measure signal parameters such as signal distortion, modulation, spectr...[Details]
DIY/Open Source Hardware
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