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introduction
The voltage regulator provides a continuous and stable voltage to the subsequent circuits. Some applications can accept relatively large voltage fluctuations, while some applica...[Details]
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According to foreign media SlashGear, with the help of AirPods, Apple is expected to have the largest share in the wearable device market in the long run. According to the unit shipment data of ...[Details]
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Download arm-linux-gcc-4.3.2.tgz (84MB) Install the cross-compilation toolchain: 1. First log in as root user 2. Copy arm-linux-gcc-4.3.2.tgz to the tmp folder in the root directory 3. Decompress...[Details]
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1. DS1337 Introduction DS1337 serial real-time clock chip is a low-power clock calendar chip that uses BCD code. It has two programmable timer alarms and a programmable square wave output. Its addr...[Details]
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There are many flow meters for measuring liquid flow on large-diameter pipes, but the results vary. During the measurement, some of the internal components of the instrument are covered by debris, af...[Details]
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Zero Current Shutdown (ZCS) PWM DC/DC Converter Circuit Diagram
Topology: Buck DC/DC ZCS PWM converter. Main switch T1 (including anti-parallel diode D1), auxiliary diode T2 (D...[Details]
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Step 1: Remove all probes, converters, and signal connections from the oscilloscope. Step 2: Turn on the oscilloscope and warm it up for about 15 minutes. Usually temperature differences will affec...[Details]
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This is a PWM speed control program for DC motors with AT89C51 MCU. The program can be directly used in AT89C52, AT89S51, AT89S51, STC89C51, STC89C52 MCUs. The MCU crystal uses 11.0592M. The DC motor...[Details]
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A speaker box is also called a speaker box. It is a system that places speakers working in different frequency bands in a specially designed box. After the output signal of the power amplifier is d...[Details]
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The OpenAirInterface Software Alliance (OAI) announced that NI, one of the world's leading developers of automated test and measurement systems, has joined the organization's strategic committee. As ...[Details]
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This is because there are many parasitic noises in the signal. The ZDS2022 oscilloscope has a waveform refresh rate of up to 330,000 frames per second, which can capture various jitters and noises ...[Details]
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Phase measurement is widely used in many fields such as industrial automation instruments, intelligent control and communication electronics, and the requirements for phase measurement are gradual...[Details]
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On June 16, Hangke Technology issued an announcement stating that due to changes in the original contract technical agreement, it received a "PO Change Notice" sent by CATL via email on June 11, 2021...[Details]
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I. Introduction
In high-speed communication environments used for serial data link analysis and evaluation, applications are needed to perform modeling, measurements, and simulations on real-time wav...[Details]
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1. Why do we need DMA?
First, let's look at the serial port to transmit information: sending strings.
Send function: Add the following send function in uart.c:
Next c...[Details]
PCB Design
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