I use STM32F103RBT6 with an external L298N chip to drive a 12V, 1.5A air pump. I don't know how to use PWM to control the speed of this air pump? Thank you everyone...
I've been working on a taximeter recently. I've encountered many problems with other programs. I'd like to ask for your help in solving them! The question is this: 1. Basic requirements: Daytime taxi ...
1. Use a Bluetooth chip to output PWM signal to control GP8101 to output 0-10V analog voltage. The circuit is shown in the figure below:2. The hardware circuit of the actual application is shown in th...
Is there any big guy who makes sensors? Please take me tothis article. This content is originally created by EEWORLD forum netizen Nie Yongzhong . If you want to reprint or use it for commercial purpo...
1: I use AP4 to configure R7F0C009B2, and use the PGA input of the Renesas microcontroller as the positive terminal of comparator 0. I configure the rising edge trigger, but it cannot be triggered. Ha...
, Courier, monospace][size=14px] signal[/size][/font][/color][color=#000][backcolor=rgb(246, 248, 250)][font=Consolas, Inconsolata, Courier, monospace][size=14px] 1. Read the signal code of the 51 mic...
Introduction: Design of automated test systems
Challenges
To ensure the quality and reliability of products delivered to customers, test managers and engineers use automated test system...[Details]
In the development of high-stability lasers, real-time monitoring of the working state of the laser is an issue that needs to be focused on. This system realizes the high-stability laser temperatur...[Details]
Adding "intelligence" to measurement systems is becoming more common as 8-bit microcontrollers are inexpensive, widely available, and can be programmed using today's common high-level languages, su...[Details]
A financial analyst pointed out that the signal reception problems of Apple's 3G iPhone may be caused by some defective chips.
Richard Windsor, an analyst at Nomura Securities, said in a resea...[Details]
At present, TPMS (tire pressure monitoring system) is mainly divided into two types, one is indirect type and the other is direct type. The direct TPMS system has been affected by its poor alarm ac...[Details]
Abstract
: This paper introduces the general structure of the driver under the currently popular open source embedded operating system μClinux, as well as the connection between the touch scr...[Details]
Abstract: CC2420 is a 2.4GHz RF chip introduced by Chipcon that complies with the IEEE 802.15.4 specification. It is used to develop ZigBee devices and products for PAN networks such as industrial ...[Details]
0 Introduction
GaAs photocathode is a negative electron affinity photocathode with the advantages of high quantum efficiency, concentrated energy and angle distribution of emitted electrons. T...[Details]
Electrochemical Principles of Blood Glucose Measurement
The electro-biochemical principle of blood glucose measurement is that when a certain voltage is applied to the blood after the enzy...[Details]
Prisons are an important part of the national judicial organs, shouldering the important mission of enforcing laws and disciplines and educating and reforming. The safety of prisons is related to t...[Details]
In the new generation of automotive exterior mirrors, the number of built-in functions has increased significantly: side retro-reflectors or turn signals/flashlights, door exterior lights, defroste...[Details]
1 Introduction
Programmable controller (PLC) has been widely used in the field of industrial control due to its compact structure, high reliability, simple programming, powerful instructio...[Details]
introduction
Limited bandwidth and the increasing demand for new wireless services have paved the way for the adoption of new technologies in the communications field. These non-traditiona...[Details]
IGBT Overview
1.1 Structural characteristics of IGBT
IGBT is a high-power, integrated "Insulated Gate Bipolar Transistor". It is a new type of composite electronic device develope...[Details]
introduction
With the development of information technology, computer network technology represented by PC has developed to a higher stage, and the post-PC era with embedded intelligent de...[Details]
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