I developed a PXA300 system and transplanted the wm9713 driver of Marvell's BSP. The touch screen can now respond to click operations, but the positioning is far away from my click position. I don't u...
This platform includes a high-quality, mature DVB-S receiver and completely open source code, electrical schematics and PCB diagrams. DVB enthusiasts and MCU enthusiasts can use it to learn and unders...
I just learned PCB plate making and want to make a double-sided board. I want to ask about the setting of the power layer? Is it usually 2 layers? What is the basis for determining it? How many layers...
The power consumption of the Bluetooth keyboard using nRF52840 and CircuitPython is very low. It is only 50uA in sleep mode and only 160uA when connected to Bluetooth.https://blog.adafruit.com/2020/08...
In comparison, ESP32 is older but has accumulated rich resources and ecosystem, S3 has the strongest performance, C3 has the best cost performance, and S2 is neither fish nor fowl...https://blog.csdn....
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]
Almost everyone in a student dormitory has a bedside lamp. But if you want to read for a while after turning off the lights and don't want to disturb your roommates' sleep, you may need a reading l...[Details]
The fluorescent lamps and energy-saving lamps we commonly use now have greatly improved luminous efficiency compared with the earlier ordinary incandescent lamps and have been widely used. With the...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems (GP...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
Battery clamps, commonly known as battery connectors, come in two sizes depending on the thickness of the battery terminals. One is the battery clamp used on thick terminals, with a positive termin...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
Electrostatic coupling and interference occur when a charged object is close to the input of the circuit being measured. At low impedance, the effects of interference are not noticeable because th...[Details]