With the IR infrared receiving module as an accessory, the development board can remotely control the LED light. Its overall structure is shown in Figure 1.
Figure 1 Overall composition
The pin connec...
An LED lamp at home is broken. This is a common 9W LED bulb. Since it cannot be used, I thought of disassembling it and analyzing it.It is easy to disassemble. Just squeeze the lampshade in front and ...
Chinese electronic products and spare parts are important purchasing targets for global buyers. From the types and quantities they purchase, it is not difficult to discover the future development tren...
Thanks to Digi-Key, I got the K210 and ESP32S2 development kit. The delivery was very fast, but it was in customs for a while. The packaging was very good, with cushioning foam and anti-static packagi...
On the morning of November 17, at an investor event early this morning, Qualcomm Chief Financial Officer Akash Palkhiwala said that Qualcomm expects to supply only 20% of Apple's modem chips in ...[Details]
Wavelet image coding and fractal image coding are two different image coding methods, each with its own characteristics and limitations. After an image is transformed by wavelet, its sub-images in ...[Details]
AT89cxx encryption principle
MCU decryption is simply to erase the encryption lock bit in the MCU. Due to the unreasonable design of the erase operation timing of the AT89C series MCU. It is poss...[Details]
The transformer design is summarized.
1. Known parameters
These parameters are determined by the designer based on user needs and circuit characteristics, including: input voltage Vin, output ...[Details]
1. Check the touch library documentation and select the chip according to your needs (mainly supporting several keys): STMTouch Driver User Manual One channel is one button. For example, STM8L101F ...[Details]
XTAL1 (pin 19) and XTAL2 (pin 18) are the oscillator input and output ports, and are connected to an external 12MHz crystal oscillator.
RST/Vpd (pin 9) is the reset input port, which is ...[Details]
As a liquid level measuring device with simple structure, direct observation and convenient installation, the magnetic flap level gauge is increasingly loved by people for its unique advantages. Its ...[Details]
project description: The three buttons control the LED on/off, brightening and dimming. The brightness of the light is adjusted by PWM generated by the microcontroller. The C language code is as fo...[Details]
Everyone knows that the mains power supply has a voltage of 220V. Do you know what this voltage looks like? Let’s take a look at it on an oscilloscope. You can see that it is a sine wave signal with ...[Details]
International Energy Network/PV Headlines (PV-2005) learned that on September 4, the Three Gorges Group announced the winning candidates for the 2023 photovoltaic inverter framework centralized pro...[Details]
1. 2C Home Display From a broad perspective, the display industry is divided into two categories: 2C home display and 2B commercial display. 1. 2C Home Display From 2016 to 2020, the global hom...[Details]
Current probes measure the magnetic field generated by electrons moving in a wire. Within the range specification of the current probe, the magnetic flux field around the wire is converted into a lin...[Details]
In 2019, the total installed capacity of power generation in China was 2,010.66 million kilowatts, a year-on-year increase of 5.8%; the total power generation was 7,325.3 billion kilowatt-hours, a ...[Details]
Mitsubishi PLC (Programmable Logic Controller) is a control device widely used in the field of industrial automation. It controls various mechanical equipment through programming and has the charac...[Details]