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I've been working on brushless DC motor control recently. I encountered a lot of problems when writing the code. I couldn't enter the interrupt program and couldn't implement the phase change problem....
Operating environment: security monitoring system (video signal control) Main equipment: computer (capture card) + camera Transmission method: video signal cable (75-5) coaxial cable Requirements: 1 V...
AT+CMGF=0OKAT+CMGL=4+CMGL:0,0,,2j!+CMGL:1,0,,8O`Y}YY +CMGL:2,0,,4O`Y}+CMGL:6,0,,4b \0,+CMGL:7,0,,10b N_Nw??SOK This is how to convert the received SMS message into Chinese! ! ! Whoever can write it ou...
[i=s] This post was last edited by muxb on 2019-5-22 22:12 [/i] After the serial shell is built, add and adjust the SPI driver, light up the LCD, and then start porting the QR code encoding code. For ...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:39[/i] [color=#000][font=Helvetica, Arial, sans-serif]Is it possible to make a quadcopter with the original C52? Will it be difficult to proc...
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[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]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
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