I have used F4 FMC to drive LCD before, and thought it would be a piece of cake to move it to H7. However, after working on it for several days, I still couldn't get any signal, and the Hal library, L...
[i=s]This post was last edited by shijizai on 2021-3-18 10:45[/i]The ADC chip used is TI's ADS7054 (the input is differential input and the output is single-ended output). The signal I want to measure...
[i=s]This post was last edited by qwqwqw2088 on 2021-1-20 08:42[/i]The optical splitter is a component of the PON network. It is a passive device that connects the OLT and ONU. Its function is to dist...
[i=s]This post was last edited by 风雨潇潇_ on 2019-1-2 22:10[/i] [postbg]1.jpg[/postbg]When I first saw the introduction of this little thing, I couldn't suppress my inner restlessness. I can only say it...
Myth 1: UWB can only operate over short distances
This understanding is incorrect. While UWB is technically a short-range wireless technology (like Bluetooth, WiFi, and NFC), it's really more of a cat...
Chuanglong Technology TLA40i-EVM is a domestic evaluation board based on the A40i processor of Allwinner Technology, with a quad-core ARM Cortex-A7 high-performance and low-power design. The main freq...
According to official news from Qingdao HKC, on December 19, the first product of Qingdao HKC Microelectronics Co., Ltd. was successfully produced. The successful production of this product marks the...[Details]
1. Detection of reverse breakdown current The reverse breakdown current (also called reverse leakage current or penetration current) of ordinary transistors can be estimated by measuring the resista...[Details]
At present, the mainstream products in the lighting market are 5-7W and 9-12W bulbs. Here, we take the 7W LED bulb as an example. The price we found in the sales stores in Shenzhen, China is $14.98...[Details]
Engineers generally believe that switching power supplies will reduce the performance of ADCs, so they are usually willing to choose low-dropout (LDO) linear regulators instead of switching regulat...[Details]
Rutronik Elektronische Bauelemente GmbH is expanding its portfolio with products from HMS Industrial Networks, a manufacturer of industrial communication and IoT solutions. The two companies have sig...[Details]
Cheer for the Chinese team, cheer for the Olympics. I watched the women's football game last night. Although the game did not give me the feeling of watching a football game, there was no football fla...[Details]
With the continuous development of science and technology, the application of multi-channel output low-voltage DC switching power supplies is becoming more and more widespread. Traditional multi-ch...[Details]
The vibration velocity sensor is a common type of velocity sensor, which is mainly used to measure the vibration of the bearing, and in a few cases, it is also used to measure the vibration of the sha...[Details]
2021-05-25: Power Integrations (NASDAQ: POWI), a well-known company in the field of high-efficiency power conversion with high-voltage integrated circuits, recently announced the launch of the Inno...[Details]
This article introduces a flyback constant voltage, constant current 75W LED driver with single-stage (single switch) PFC . The circuit is shown in the figure. The AC input voltage range is 208~277...[Details]
I originally thought that setting the system time is very simple, as long as you modify the RTC, it will remember the time you set, but after testing, I found that this is not the case. So I studie...[Details]
Abstract: In order to centrally monitor a large number of automated instruments in industrial sites and improve the level of automation in industrial production, a data recorder and analyzer for po...[Details]
Related documents attached
For more information about Usage ID, please refer to http://www.freebsddiary.org/APC/usb_hid_usages
Appendix 2: Related documents http://pan.baidu.com/s/1i3J1ftN
...[Details]
Automatic floor cleaners are nothing new, but they all have a common problem. They are all too expensive for what they do. Today, we are going to make an automatic home cleaner that costs a fractio...[Details]
Recently, the reporter learned from Sichuan Yatou Development Investment Group Co., Ltd. (hereinafter referred to as Yatou Group) that since the beginning of this year, the company has focused on the ...[Details]
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