I used ATMEGA8 and 16M crystal to write a CTC mode frequency generator: I then used a key to control OCR1A to control the frequency generated by OC1A pin. I found that when the frequency of OC1A pin w...
[p=28, 2, left][color=rgb(0, 0, 0)][font=微软雅黑,][size=3][backcolor=white]The switching speed of a transistor is characterized by its switching time. The shorter the switching time, the faster the switc...
I would like to ask, after receiving a PCB file, how can I tell at a glance whether there is a cup hole in it? It seems to be a blind hole. The pad for the cup hole is generally an arc shape. The cup ...
Recently I saw the iic adapter driver in 2410, and found that s3c24xx_i2c_doxfer first turns on the interrupt at the beginning of the transmission, and then turns off the interrupt after the interrupt...
On the 5th of this month, STMicroelectronics announced the introduction of the "Introduction to Embedded Systems Based on SensorTile" course to everyone including students, manufacturers, engineers an...
Reflow soldering is a critical process in electronics assembly production, and the cleanliness of the reflow oven has a direct impact on product quality. Dust and residue accumulation within the ov...[Details]
MQTT Ethernet I/O modules primarily collect I/O port information and transmit data over the network. In addition to being a TCP server, Ethernet I/O modules can also function as TCP clients. Furthe...[Details]
Common methods for troubleshooting roller press bearing wear include repair welding, thermal spraying, brush plating, and scrapping and replacement. However, these methods are often subject to asse...[Details]
The driving mode is not unfamiliar to vehicles. According to the driving mode of the vehicle, there are front-wheel drive, rear-wheel drive and even four-wheel drive. Four-wheel drive is a major se...[Details]
Generally not, but there are exceptions. For example, a torque motor controller with three-phase output voltage imbalance can cause current imbalance, similar to a phase loss. However, only two pha...[Details]
The term "remote meter reading" literally emphasizes remoteness. But how far is remote? One kilometer? Two kilometers? Those aren't considered far at all. Currently, the longest distance for ...[Details]
Shenzhen RF Star's Bluetooth smart e-cigarette solution, by embedding a BLE module in the third-generation e-cigarette tube and coordinating it with the development of a smartphone APP, bring...[Details]
According to reports from Xinhua News Agency, Tianjin University official website and other media, Chinese researchers have recently broken through the bottleneck of energy density and application ...[Details]
How do the maps used by self-driving cars differ from the maps we use daily, such as those from AutoNavi and Baidu? AutoNavi and Baidu create maps for humans, while high-precision map companies cre...[Details]
On August 18, Tencent Holdings released its second-quarter 2025 results last week, with revenue of 184.504 billion yuan, a year-on-year increase of 15% and a month-on-month increase of 2%; profit a...[Details]
What is the difference in response time when the output uses cyclic refresh and direct refresh?
The time required from when the PLC receives an input signal to when the PLC outputs a con...[Details]
Just how popular are humanoids? Let's take a look.
Humanoid robots' performance capabilities are driving booming orders.
Robots were undoubtedly a major highlight at the 2025 World A...[Details]
1. One-way starting control circuit
1. Circuit operation analysis
1) Close the power switch QS and press the start button SB2. The contactor coil KM is energized, the normally open ...[Details]
The battery in an electric car is related to the vehicle's performance. As one of the core components of the vehicle, the battery cell has become an important reference for evaluating the quality o...[Details]
The circuit diagram of this device shows its operating principle. Experiments have shown that air cooling of the refrigerator compressor and heat sink while the compressor is operating not only pro...[Details]