This article introduces how to configure the Qt runtime environment on an embedded Linux development board and perform a Qt program run test.
1 tslib compilation
tslib has been used before when testin...
[size=4]When the frequency is constant, the larger the capacitance, the smaller the capacitive reactance; the smaller the capacitive reactance, the lower the frequency that passes. [/size] [size=4]The...
In the past few years, the craze for smart wearables has faded by half. After repeated market baptism, some popular wearable device manufacturers have ended up bankrupt or acquired, but there are also...
[font="][size=11.0pt]Almost every embedded device has a debugging serial port. In some scenarios, it is inconvenient to connect to the PC with a physical cable, and a wireless connection is required. ...
Rehabilitation after a stroke often takes a long time and has a poor prognosis. However, a new virtual reality device recently received FDA approval to help patients recover better and faster. This ...[Details]
Today, communication technology is developing rapidly. Digital communication has a strong momentum of development due to its strong anti-interference ability, channel errors can be controlled by co...[Details]
/script script google_protectAndRun("render_ads.js::google_render_ad", google_handleError
, google_render_ad); /script /script With the development of modern computers and digital technology,...[Details]
Magnetic float level switch is a common type of liquid level switch, which is widely used in many fields. When using magnetic float level switch for measurement, users need to understand the measurem...[Details]
Panel prices are already generally below cash costs, and manufacturers' losses are mounting. Since 2017, the prices of display panel products have been falling. Industry insiders believe that the d...[Details]
Follow the configuration below to ensure correct TDR rise time.
Using the 30cm cable provided with the PicoScope 9311, connect 30cm directly from the TDR output to the channel 1 input.
step:
...[Details]
The influence of LED devices on the performance parameters of LED full-color display screens
Abstract: Starting from the parameters of LED devices, this paper analyzes the influence of various p...[Details]
On the morning of May 19, Sony released two new headphones, the noise-cancelling true wireless headphones LinkBuds S and the dual-core driver flagship noise-cancelling headphones WH-1000XM5. Amo...[Details]
An oscilloscope "differential" probe is an active probe with two input ports (one positive and one negative) and a separate ground lead; it transmits its output signal to the oscilloscope channel thr...[Details]
According to semimedia on December 3, Taiyo Yuden Co., Ltd. recently announced that it will build a new factory in Changzhou, China and start producing multilayer ceramic capacitors (MLCC) in 2023. A...[Details]
For DIY (do-it-yourself soldering) friends, when doing the following experiment, you must first solder the power supply (used to provide 5V regulated power supply to the microcontroller) and the seria...[Details]
Apple has just officially launched the 16-inch MacBook Pro. There was no press conference, but it was directly released online. This product, which has been rumored for half a year, has finally been ...[Details]
China Energy Storage Network News:
As the seasons change, from the beginning of the year to the end of the year, the ubiquitous power Internet of Things is experiencing a spillover effect.
...[Details]
introduction
The power supply system supplies power to the accelerator, including a DC-200~-350kV 60mA main power supply, a 30kV 100mA power supply and a 10V 3A filament power supply, of w...[Details]