This error occurs during buildroot compilation:
gdbusauth.c:1302:11: error: ‘%s’ directive argument is null
gdbusmessage.c:2702:30: error: ‘%s’ directive argument is null
Solution: Add an if statement...
Abstract: This paper proposes a wide voltage input, high efficiency, high dimming ratio LED constant current drive circuit. In the hysteresis current control mode, the circuit has the advantages of si...
I am using the CC1310F128RSM board. When initializing rfeasylinkrx, the initialization fails. The problem is as follows;
#ifdef RFEASYLINKRX_ASYNC/* Reset the timeout flag */rxTimeoutFlag = false;/* S...
Abstract : You must have seen a lot of balancing cars, such as the most famous one is the bicycle balancing car made by the wild iron man Zhihui . That thing is too advanced for ordinary people to mak...
1. Permanent magnet motor is an electric motor that uses permanent magnets to provide a magnetic field. For a motor to do work, two conditions are required: one is the existence of a magnetic field, a...
The original poster, please give me some scientific knowledge on what phase, displacement, sinusoidal light, and gradient stripes in 3D scanners mean and what they are used for. I have been searching ...
The status of aquaculture environmental factors directly affects the yield, quality and safety of aquatic products. Therefore, in modern factory farming, the automatic monitoring of environmental fac...[Details]
For a mobile phone manufacturer, the flagship model often represents the consumer's first impression of its brand, the high-end model is more like the facade of the entire brand, and the one th...[Details]
Perhaps it is due to the strength of self-owned brand large-battery PHEV models represented by BYD in the market. After two years of encirclement and suppression by self-owned brands and losing marke...[Details]
According to foreign media reports, the World Intellectual Property Office (WIPO) has published a patent for a sun visor from Lotus. This new invention may benefit electric vehicles , racing cars and...[Details]
The transformation of the incremental market into the stock market marks the end of the battle in the smartphone industry. Therefore, when the news came out that Li Kaixin, the former president of 36...[Details]
A recent report by Nokia Power User claims that a Nokia N139DL flip phone with model number TA-1398 has appeared on the FCC (Federal Communications Commission) platform and the device may be la...[Details]
The rapid spread of the novel coronavirus has created unprecedented challenges for businesses around the world, especially small and medium-sized businesses. The latest report from Strategy Analytics...[Details]
Mouser now sells Phoenix Contact building smart connectors and components Enabling future-ready IoT designs October 12, 2022 – Mouser Electronics, an industry-renowned New Product Introduction (N...[Details]
In recent years, the use of microprocessors to control switching power supplies has continued to develop. There is still much debate about the advantages of digital power supplies over analog pow...[Details]
In the circuit, the thyristor SCR and R3 form a protection circuit. When the current flowing through the LED is greater than the set value, the SCR conducts at a certain angle, thereby shunti...[Details]
Introduction
Telemedicine is the product of the combination of information technology and medicine. It uses remote communication and computer multimedia technology to provide patients with med...[Details]
http://115.com/file/c2n658ld A software you need to use
http://www.scienceprog.com/wp-content/uploads/2008/03/avrdds_proteus.zipSee the circuit diagram and perform simulation (double-click U3,...[Details]
Actually, I have wanted to write about I2C for a long time, but various things delayed me. I took advantage of the May Day holiday to write this for your reference. I will spend some time to study th...[Details]
China Energy Storage Network:
Since the release of the "Internet + Smart Energy" (Energy Internet) Guidance in February 2016, the Energy Internet industry has gone through two years of develo...[Details]
Four of Europe's top deep technology research institutions - IMEC, Leti, Fraunhofer and VTT - have jointly established an alliance called RTO and plan to invest 156 million euros to advance 300mm man...[Details]
Domestic Chip Exchange
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