Is there a problem with selecting DEC for the mpc8280 system clock? The DEC interrupt priority is very low, not as high as the external interrupt. Can it be set?...
[i=s]This post was last edited by johnrey on 2015-7-15 21:56[/i] [color=#000][font=Tahoma,]Preconditions: 1. Systick is part of arm0+ core 2. In sleep mode, arm0+ core is down 3. __WFI will enter at l...
Showing my ugly electronic load:) 1. Front view2. Back view: The heat sink has no insulation, so I cut it with an ABS machine, and the four corners are just right: lol3. Top view. This old case is ver...
The code in the picture below is to make P1.2 and P1.6 output PWM waveforms, but I don't understand the words in the red circle in the picture. Does it mean that P1.2 and P1.6 both output PWM with a d...
This machine is used for static elimination on plastic printing machines. It is made in Taiwan. The control board and thyristor are broken. The IC, thyristor and diode have all been polished. I have n...
Why does the desired pulse wave not appear when differentiating a square wave? Is it possible to use a differential circuit to measure the rising edge time of a square wave?...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
NXP MCU
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