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Circuit Description The circuit shown in Figure 1 is powered entirely from the USB interface. The 5 V power from the USB interface is regulated to 2.5 V using the ADP3333 2.5 V low dropout line...[Details]
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1. Introduction to LED dot matrix The LED dot matrix is composed of multiple small LED lights, and is introduced as an 8*8 LED dot matrix. The actual picture and internal schematic diagram are as f...[Details]
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If you register for events dynamically, you can modify the registration information at run time to change the object for which LabVIEW generates events. To modify an existing registration associated...[Details]
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At 2 a.m. on March 9, Apple introduced a new color for the iPhone 13 Pro series - Cangling Green. This time, green versions of the four models of iPhone 13 mini, iPhone 13, iPhone 13 Pro, an...[Details]
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Electronic anemometer principle: The motor used as a generator is used as a transducer to produce a DC voltage proportional to the wind speed. When there is no residual power, K1 prevents the transdu...[Details]
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Software environment: icc+avrstudioOpen
motor.h and change the following content.
//PD4,PD5 motor direction control
#define moto_en1 PORTD |= 0x10
#define moto_en2 PORTD |= 0x20
#define moto_...[Details]
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At present, the most mainstream hybrid systems for passenger cars around the world mainly include: single motor parallel, dual motor series parallel (hybrid), and power split. This article starts w...[Details]
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A very simple external interrupt program, I hope it will be helpful to those who are learning #include reg52.h sbit k3=P3^2; //define key K3 sbit led=P2^0; //define P20 port as LED vo...[Details]
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In terms of self-developed CPUs, NVIDIA announced the Grace CPU server processor last year, an ARM processor with up to 144 cores. Recently, NVIDIA announced the architecture details and running scor...[Details]
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When the current transformer (CT) is in working state, its secondary circuit must not be open, otherwise it will cause high voltage and liveness in the secondary circuit, which may damage the elect...[Details]
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So far, I have been exposed to a lot of microcontrollers, and I have gained some experience in selecting components, schematics, PCB, circuit hardware debugging, and software development. The first...[Details]
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Use, maintenance and selection of megohmmeter
If a multimeter is used to measure the insulation resistance of a device, then only the insulation resistance value under low voltage i...[Details]
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Abstract: When there is a power outage at one end of the 110kV power grid tie line, the original substation backup automatic switching device cannot realize the remote automatic switching function,...[Details]
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At present, 115V/400 Hz power supply is widely used in aviation, aerospace and other military equipment. Military equipment generally has high requirements for frequency accuracy, so it must be tes...[Details]
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Simple classification of ARM registers: Figure 1-1:
Figure 1-1
There are 37 32-bit registers in the ARM microprocessor, including 31 general registers and 6 status registers. Howeve...[Details]
Analog electronics
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