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...
Learn and win awards at the same timeLet’s keep it simple and get straight to the point!Event time: From now until October 31, 2019Activity process:
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[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...
The Guangzhou Auto Show, which is scheduled to open at the end of 2022, has still aroused widespread popularity in the industry despite being affected by some force majeure. Newly launched models, co...[Details]
Connect 8 LEDs to a certain IO port of the 51 single-chip microcomputer, connect a button switch K1 to the external interrupt 0 input P3.2 (INT0) pin, and connect a button switch K2 to the external i...[Details]
News on the morning of May 12: There have been a lot of rumors recently about Apple’s upcoming high-end headphones. Today, the latest news is that this headset may have a detection function si...[Details]
At 22:05 on December 3, Tibet Development and Investment Group's 50MW photovoltaic energy storage project in Sog County was officially connected to the grid for full-capacity power generation. ...[Details]
The application of variable frequency speed regulation in control is more and more extensive. The traditional variable frequency speed regulation control is realized by ordinary single chip micro...[Details]
I recently had the opportunity to judge TI's 2011 Engibous Design Competition. TI's goal is to inspire college students to submit excellent works to the Engibous Design Competition, and we are also l...[Details]
In use, a dedicated ground resistance tester is expensive and inconvenient to purchase. Can I use a multimeter to measure the ground resistance? The author used a multimeter to conduct experiments ...[Details]
introduction In order to complete the design of today's increasingly complex digital systems, engineers need sophisticated analysis tools. For system verification tasks, most engineers rely on a logi...[Details]
In the field of production line testing or manufacturing testing, the digital multimeter (DMM) has become a ubiquitous test instrument. When faced with a variety of different test requirements, such a...[Details]
Multi-machine communication circuit diagram Here, U1 is the master, U2 is slave 1, and U3 is slave 2. Multi-machine communication C language program (1) Host program #include #include #define _SUCC...[Details]
Qi Siqing, General Manager of Mengdong Electric Power Communication Company
The ubiquitous power Internet of Things is to fully apply modern information technologies such as mobile Internet, a...[Details]
The X-ray flaw detector is mainly used to detect whether there are defects (cracks, sand holes, pores, white spots, inclusions, etc.) inside the machined parts, so as to determine whether the workpiec...[Details]
Abstract: With the continuous development of monitoring technology, high-definition, as one of the main directions of monitoring technology development, combined with network technology to bring new c...[Details]
1 Introduction
Temperature monitoring of the isolating contacts of high-voltage switchgear has always been one of the major issues for safe operation of the power industry. However, since ...[Details]
A voltage regulator is a device that stabilizes the output voltage. All voltage regulators use the same technology to achieve a stable output voltage. The output voltage is sampled through a voltag...[Details]
ARM Technology
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