How many uninitialized local variables are there in a language?The answer is often:It depends on the compiler.It may be initialized to 0, but it is not guaranteed. It is undetermined.In short, all of ...
2020 , my warm memories are inseparable from EEworld. This year is a year worth remembering, worthy of promotion, and worthy of pride.
My work has been relatively smooth this year, and the overall pro...
The SWD debug interface is a debug interface proposed by ARM. Compared with the traditional JTAG interface, it uses fewer signal pins. The SWD debug interface signal definition is shown in the red lin...
[i=s]This post was last edited by dcexpert on 2019-8-4 17:25[/i]CircuitPython 4.1.0 is now available! The biggest feature of 4.1.0 is speed! Python generally executes 2-5 times faster, and the display...
[i=s]This post was last edited by X_s_yu on 2019-7-4 22:57[/i] In the first industrial revolution, the direct power of machines was steam; in the second industrial revolution, the direct power of mach...
The pyEC is a multi-purpose board that is compatible with pyBoard and is able to talk to anything on your e-bike. In fact, it is more of a general purpose board that is capable of a ton of digital ele...
HAL_Dalay() is a millisecond delay. I have recently learned how to use microsecond delay. The summary is as follows. The last method is recommended. /* * This document includes four delay modes: ...[Details]
There were two previous reports about the actual memory size of the iPhone 11 Pro and iPhone 11 Pro Max. The first was the 4GB memory identified by the benchmark software, and the second was the rumo...[Details]
High-frequency current probes are mainly used to measure signals with frequencies above 20K. They have the characteristics of high bandwidth and low current. They use the principle of electromagne...[Details]
Component packaging not only plays the role of installing, fixing, sealing, protecting chips and enhancing electrical and thermal performance, but also connects the contacts on the chip to the pins of...[Details]
When designing or applying a power supply, everyone will be concerned about the output ripple noise of the power supply, but how much is appropriate? If the requirements are relaxed, the ripple noise...[Details]
LED street lights are low-voltage, high-current driving devices. The intensity of their light is determined by the current flowing through the LED. Too strong a current will cause the LED to attenuat...[Details]
The electronics industry often uses resin materials (such as prepreg, solder mask ink, glue, conformal coating) to achieve structural bonding or electrical insulation.
Whether the resin mater...[Details]
Shanghai, China and Waterloo, Canada – December 10, 2019 – BlackBerry (NYSE: BB; TSX: BB) today announced a strategic collaboration with global Tier 1 automotive supplier Magneti Marelli China to i...[Details]
Some friends who bought an oscilloscope may be curious about the refresh rate of the oscilloscope and wonder if they can measure it. Compared with the sampling rate, storage depth and other indicator...[Details]
MIC5158 composed of 5V input, 3.3V/10A output linear regulator circuit
The peripheral circuit composed of MIC5158 is a simple 5V input, 3.3V/10A output linear regulator circuit as shown in the f...[Details]
LED is a new type of light source that replaces traditional lighting tools (such as incandescent lamps, halogen lamps, etc.). Its heat dissipation effect seriously affects the actual service life of L...[Details]
When higher intermittent power density values are required, engineers often do not want to use traditional root mean square (RMS) calculations, and speed-torque performance curves become the stan...[Details]
HANGZHOU, Oct. 31, 2023 /PRNewswire/ -- "Driving a taxi is like this. You spend most of the day on the road. Now we use new energy vehicles. We don't need to charge, we can just swap the battery. I...[Details]
On August 2, 2024, Lenovo Automotive Computing announced that the AD1, a car-grade domain controller product for the L4 autonomous driving market, rolled off the production line for the first time ...[Details]
In the third quarter of this year, domestic power battery companies continued to maintain a strong momentum of expansion. According to incomplete statistics from Gasgoo, in the third quarter of thi...[Details]