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According to the introduction of the Bear Pi development board and the manual of the main chip Hi3861, this chip provides 7 ADC inputs, of which 1 ADC6 (GPIO13) is brought out in E53 mode, and the 1 A...
Qorvo's new QPG6100 communications controller for IoT end devices features the company's ConcurrentConnectTM technology, an innovative technology that accelerates communications, increases home networ...
The requirements were simple: answering and making calls, a keypad or flip phone. I thought the flip phone was better because I could hang up the phone at any time and I didn't need to unlock it to tu...
[size=4] μC/OS-II is an open source, compact, and preemptive real-time kernel embedded development system. The code is short, clear, and has high real-time and security performance. Most of the code i...
# Interpretation of FFT data of IPC communication of TL5708 development board **Table of Contents** [TOC] ## 1. The actual set waveform parameters The signal input to the DSP core is as follows: Initi...
PSRR
(Power Supply Ripple Rejection Ratio) is
one of the most common parameters used to characterize the performance of
an
operational amplifier
(op amp). Some noise sources associated...[Details]
introduction
A solenoid valve is a valve that controls the flow of fluid in a pipeline system by the electromagnetic force of an electromagnetic coil. With the acceleration of automation in th...[Details]
This morning, Honor launched the Honor V40 series of mobile phones, with a starting price of 3,599 yuan. This is the first product after Honor's independence in November last year, which is of g...[Details]
This article will explain in detail the calculation of the output capacitance of the flyback switching power supply. 1. Set the switch operating frequency: f=60kHz, output current Io=1A; according to...[Details]
The MAX5913A/MAX5914A are quad hot-swap controllers. The MAX5913A/MAX5914A independently control four external n-channel switches to hot-swap system loads from a single VCC supply line. These devices ...[Details]
Recently, DxOMark announced the evaluation results of the image sensor of the Sony RX100 VII camera (the seventh generation black card) . The DXOMark total score is 63 points, which is slightly...[Details]
According to modern manufacturing technology, three doping regions are manufactured on the same silicon wafer according to different doping methods, and two PN junctions are formed, thus forming a ...[Details]
The most difficult thing to understand and control about ARM7 is interrupt control. I write down some information I found.
1. Fast interrupt FIQ
⑴In the main program:
① Assign the interrupt as FI...[Details]
Overview This article briefly describes the solution to initialize timer2 in stm8s003 and immediately enter the interrupt: When debugging stm8 tim2 as a 100ms timer, I found that after enabling timer...[Details]
2022 has passed, and the automobile industry has made great progress this year, and achievements in many fields are worth recording. As the Year of the Tiger is coming to an end, our series of yea...[Details]
If your MCU application needs to process digital audio, consider taking a multithreaded approach. Using a multithreaded design approach enables designers to reuse portions of their design in a stra...[Details]
Most portable electronic devices use white LEDs as backlight sources for small-size color LCD displays. These LED driver circuits are powered by batteries whose output voltage varies over time. T...[Details]
This design combines the acceleration sensor ADXL345, GPS and GSM module SIM908 with the Arduino Uno platform. The acceleration sensor collects the three-axis acceleration value of the human body, de...[Details]
Double data rate (DDR) memory technology has grown dramatically over the past five years as oscilloscope users have demanded faster, lower power, and smaller memory. DDR4 stands for the fourth gene...[Details]
In recent years, with the rapid development of distributed base stations, the traditional repeater market has been impacted. In the face of fierce competition, both repeater manufacturers and main eq...[Details]
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