In "Investigating Things to Gain Knowledge 06 - The Water-Dropping Generator", we introduced the water-dripping generator invented by British scientist Kelvin in 1867. Figure (01) is a schematic diagr...
Let me introduce to you the UWB promotion organization - Fira Alliance. In order to promote UWB globally, in August 2019, NXP, Samsung, Bosch, Sony and other companies formed the FiRa Alliance (fine r...
lvgl has been successfully ported before, and can be used to draw some HMI interfaces. Today, an LVGL QR code library is implemented to display some data through QR code. The QR code library can also ...
Overview
The RS485 interface forms a half-duplex network, adopts a combination of balanced drivers and differential receivers, uses shielded twisted pair transmission, and has strong resistance to com...
As shown in the picture, is the Q3Q4 circuit drawn incorrectly? A push-pull circuit should not be drawn like this. Today I saw an old professor drawing it like this, and I was afraid to ask, isn't Q3Q...
1. Hardware Introduction
RVB2601 has built-in the high-performance and secure WiFi4 chip W800 from Lianshengde. W800 is connected to CH2601 via the SPI port (blue frame line) as shown below:2. Softwar...
The kilowatt-class switching power supply made of PM4040F consists of a main circuit diagram and two different circuit diagrams for the output part. You can use the single-voltage part or the dual-...[Details]
In the civil and military fields, with the development of wireless communication systems, new devices, new processes, and new products emerge in an endless stream, making new communication systems mo...[Details]
When using a multimeter to measure AC voltage or current, have you ever doubted the measurement results? When you are very confident in your circuit, you may doubt the accuracy of the multimeter's me...[Details]
Measured Performance
The design of the RadioAnt active antenna is shown in Figure 3. The radiating device is a single-turn half-ring, where the radiator on the short side of the shielding box is ...[Details]
The LED port of s3c2410 is defined as follows; GPF7 GPF6 GPF5 GPF4 nLED_8 nLED_4 nLED_2 nLED_1 The IO port control registers of GPF include: GPFCON (0x56000050), GPF DAT (0x56000054), an...[Details]
The height and weight measuring instrument uses high-precision sensors and a voice operation interface. It tells the user how to operate through electronic voice broadcast. It can be implemented with...[Details]
1. AEB (Automatic Braking System) This pre-collision intelligent brake assist system, which Nissan calls IEB, is an active safety technology and belongs to the AEB automatic braking system. It is m...[Details]
Rectifier power supply is a device that provides large DC current and DC voltage. The process is to pass AC power through a rectifier transformer to rectify the current into the required current (A...[Details]
As the consumer market continues to grow, end-application products continue to shrink in size, and the less power, the better. It is no surprise that portability and low power consumption have beco...[Details]
In June 2024, Semiconductor Intelligence (SI) released its analysis of the 2023
automotive semiconductor
market and its outlook for 2024 and beyond.
SI predicts that the automoti...[Details]
The hot keywords in the security industry in 2013 are "high-definition, intelligent, and integrated". As the fastest way to travel, airport security systems do not blindly pursue high-tech, but f...[Details]
A OnePlus 5G digital mobile phone with model number PGKM10 has passed the 3C certification and is equipped with a 160W charger with model number VCK8HACH. The 3C certification shows that the applic...[Details]
1. System Overview The modules used in the system include AT89C51 microcontroller + 8-bit common anode digital tube + DS18B20 temperature detection module + button + fan + heating device + photoelect...[Details]
Circuit Observation Room
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